import React, {
	useState,
	useEffect,
	useRef,
	useMemo,
	useCallback,
	useDeferredValue,
	lazy,
	Suspense,
} from 'react';
// SettingsModal is lazy-loaded for performance (large component, only loaded when settings opened)
const SettingsModal = lazy(() =>
	import('./components/SettingsModal').then((m) => ({ default: m.SettingsModal }))
);
import { SessionList } from './components/SessionList';
import { RightPanel, RightPanelHandle } from './components/RightPanel';
import { slashCommands } from './slashCommands';
import {
	AppModals,
	type PRDetails,
	type FlatFileItem,
	type MergeOptions,
	type SendToAgentOptions,
} from './components/AppModals';
import { DEFAULT_BATCH_PROMPT } from './components/BatchRunnerModal';
import { ErrorBoundary } from './components/ErrorBoundary';
import { MainPanel, type MainPanelHandle } from './components/MainPanel';
import { AppOverlays } from './components/AppOverlays';
import { PlaygroundPanel } from './components/PlaygroundPanel';
import { DebugWizardModal } from './components/DebugWizardModal';
import { DebugPackageModal } from './components/DebugPackageModal';
import { WindowsWarningModal, exposeWindowsWarningModalDebug } from './components/WindowsWarningModal';
import { GistPublishModal, type GistInfo } from './components/GistPublishModal';
import {
	MaestroWizard,
	useWizard,
	WizardResumeModal,
	AUTO_RUN_FOLDER_NAME,
} from './components/Wizard';
import { TourOverlay } from './components/Wizard/tour';
import { CONDUCTOR_BADGES, getBadgeForTime } from './constants/conductorBadges';
import { EmptyStateView } from './components/EmptyStateView';
import { DeleteAgentConfirmModal } from './components/DeleteAgentConfirmModal';

// Lazy-loaded components for performance (rarely-used heavy modals)
// These are loaded on-demand when the user first opens them
const LogViewer = lazy(() =>
	import('./components/LogViewer').then((m) => ({ default: m.LogViewer }))
);
const MarketplaceModal = lazy(() =>
	import('./components/MarketplaceModal').then((m) => ({ default: m.MarketplaceModal }))
);
const SymphonyModal = lazy(() =>
	import('./components/SymphonyModal').then((m) => ({ default: m.SymphonyModal }))
);
const DocumentGraphView = lazy(() =>
	import('./components/DocumentGraph/DocumentGraphView').then((m) => ({
		default: m.DocumentGraphView,
	}))
);

// Re-import the type for SymphonyContributionData (types don't need lazy loading)
import type { SymphonyContributionData } from './components/SymphonyModal';

// Group Chat Components
import { GroupChatPanel } from './components/GroupChatPanel';
import { GroupChatRightPanel, type GroupChatRightTab } from './components/GroupChatRightPanel';

// Import custom hooks
import {
	// Batch processing
	useBatchProcessor,
	type PreviousUIState,
	// Settings
	useSettings,
	useDebouncedPersistence,
	useDebouncedValue,
	// Session management
	useActivityTracker,
	useHandsOnTimeTracker,
	useNavigationHistory,
	useSessionNavigation,
	useSortedSessions,
	compareNamesIgnoringEmojis,
	useGroupManagement,
	// Input processing
	useInputSync,
	useTabCompletion,
	useAtMentionCompletion,
	useInputProcessing,
	DEFAULT_IMAGE_ONLY_PROMPT,
	// Keyboard handling
	useKeyboardShortcutHelpers,
	useKeyboardNavigation,
	useMainKeyboardHandler,
	// Agent
	useAgentSessionManagement,
	useAgentExecution,
	useAgentErrorRecovery,
	useAgentCapabilities,
	useMergeSessionWithSessions,
	useSendToAgentWithSessions,
	useSummarizeAndContinue,
	// Git
	useFileTreeManagement,
	// Remote
	useRemoteIntegration,
	useWebBroadcasting,
	useCliActivityMonitoring,
	useMobileLandscape,
	// UI
	useThemeStyles,
	useAppHandlers,
	// Auto Run
	useAutoRunHandlers,
} from './hooks';
import type { TabCompletionSuggestion, TabCompletionFilter } from './hooks';
import { useMainPanelProps, useSessionListProps, useRightPanelProps } from './hooks/props';

// Import contexts
import { useLayerStack } from './contexts/LayerStackContext';
import { useToast } from './contexts/ToastContext';
import { useModalContext } from './contexts/ModalContext';
import { GitStatusProvider } from './contexts/GitStatusContext';
import { InputProvider, useInputContext } from './contexts/InputContext';
import { GroupChatProvider, useGroupChat } from './contexts/GroupChatContext';
import { AutoRunProvider, useAutoRun } from './contexts/AutoRunContext';
import { SessionProvider, useSession } from './contexts/SessionContext';
import { InlineWizardProvider, useInlineWizardContext } from './contexts/InlineWizardContext';
import { ToastContainer } from './components/Toast';

// Import services
import { gitService } from './services/git';
import { getSpeckitCommands } from './services/speckit';
import { getOpenSpecCommands } from './services/openspec';

// Import prompts and synopsis parsing
import { autorunSynopsisPrompt, maestroSystemPrompt } from '../prompts';
import { parseSynopsis } from '../shared/synopsis';
import { formatRelativeTime } from '../shared/formatters';

// Import types and constants
// Note: GroupChat, GroupChatState are now imported via GroupChatContext; GroupChatMessage still used locally
import type {
	ToolType,
	SessionState,
	RightPanelTab,
	LogEntry,
	Session,
	AITab,
	FilePreviewTab,
	UnifiedTabRef,
	UsageStats,
	QueuedItem,
	BatchRunConfig,
	AgentError,
	BatchRunState,
	GroupChatMessage,
	SpecKitCommand,
	OpenSpecCommand,
	LeaderboardRegistration,
	CustomAICommand,
	ThinkingMode,
} from './types';
import { THEMES } from './constants/themes';
import { generateId } from './utils/ids';
import { getContextColor } from './utils/theme';
import {
	setActiveTab,
	createTab,
	closeTab,
	reopenUnifiedClosedTab,
	closeFileTab as closeFileTabHelper,
	addAiTabToUnifiedHistory,
	getActiveTab,
	getWriteModeTab,
	navigateToNextTab,
	navigateToPrevTab,
	navigateToTabByIndex,
	navigateToLastTab,
	navigateToUnifiedTabByIndex,
	navigateToLastUnifiedTab,
	navigateToNextUnifiedTab,
	navigateToPrevUnifiedTab,
	getInitialRenameValue,
	hasActiveWizard,
} from './utils/tabHelpers';
import { shouldOpenExternally, flattenTree } from './utils/fileExplorer';
import type { FileNode } from './types/fileTree';
import { substituteTemplateVariables } from './utils/templateVariables';
import { validateNewSession, getProviderDisplayName } from './utils/sessionValidation';
import {
	estimateContextUsage,
	estimateAccumulatedGrowth,
	DEFAULT_CONTEXT_WINDOWS,
} from './utils/contextUsage';
import { formatLogsForClipboard } from './utils/contextExtractor';
import {
	parseSessionId,
	parseGroupChatSessionId,
	isSynopsisSession,
	isBatchSession,
} from './utils/sessionIdParser';
import { isLikelyConcatenatedToolNames, getSlashCommandDescription } from './constants/app';
import { useUILayout } from './contexts/UILayoutContext';

// Note: DEFAULT_IMAGE_ONLY_PROMPT is now imported from useInputProcessing hook

/**
 * Get a human-readable title for an agent error type.
 * Used for toast notifications and history entries.
 */
function getErrorTitleForType(type: AgentError['type']): string {
	switch (type) {
		case 'auth_expired':
			return 'Authentication Required';
		case 'token_exhaustion':
			return 'Context Limit Reached';
		case 'rate_limited':
			return 'Rate Limit Exceeded';
		case 'network_error':
			return 'Connection Error';
		case 'agent_crashed':
			return 'Agent Error';
		case 'permission_denied':
			return 'Permission Denied';
		case 'session_not_found':
			return 'Session Not Found';
		default:
			return 'Error';
	}
}

function MaestroConsoleInner() {
	// --- LAYER STACK (for blocking shortcuts when modals are open) ---
	const { hasOpenLayers, hasOpenModal } = useLayerStack();

	// --- TOAST NOTIFICATIONS ---
	const {
		addToast,
		setDefaultDuration: setToastDefaultDuration,
		setAudioFeedback,
		setOsNotifications,
	} = useToast();

	// --- MODAL STATE (centralized modal state management) ---
	const {
		// Settings Modal
		settingsModalOpen,
		setSettingsModalOpen,
		settingsTab,
		setSettingsTab,
		// New Instance Modal
		newInstanceModalOpen,
		setNewInstanceModalOpen,
		duplicatingSessionId,
		setDuplicatingSessionId,
		// Edit Agent Modal
		editAgentModalOpen,
		setEditAgentModalOpen,
		editAgentSession,
		setEditAgentSession,
		// Shortcuts Help Modal
		shortcutsHelpOpen,
		setShortcutsHelpOpen,
		setShortcutsSearchQuery,
		// Quick Actions Modal
		quickActionOpen,
		setQuickActionOpen,
		quickActionInitialMode,
		setQuickActionInitialMode,
		// Lightbox Modal
		lightboxImage,
		setLightboxImage,
		lightboxImages,
		setLightboxImages,
		setLightboxSource,
		lightboxIsGroupChatRef,
		lightboxAllowDeleteRef,
		// About Modal
		aboutModalOpen,
		setAboutModalOpen,
		// Update Check Modal
		updateCheckModalOpen,
		setUpdateCheckModalOpen,
		// Leaderboard Registration Modal
		leaderboardRegistrationOpen,
		setLeaderboardRegistrationOpen,
		// Standing Ovation Overlay
		standingOvationData,
		setStandingOvationData,
		// First Run Celebration
		firstRunCelebrationData,
		setFirstRunCelebrationData,
		// Log Viewer
		logViewerOpen,
		setLogViewerOpen,
		// Process Monitor
		processMonitorOpen,
		setProcessMonitorOpen,
		// Usage Dashboard
		usageDashboardOpen,
		setUsageDashboardOpen,
		// Keyboard Mastery Celebration
		pendingKeyboardMasteryLevel,
		setPendingKeyboardMasteryLevel,
		// Playground Panel
		playgroundOpen,
		setPlaygroundOpen,
		// Debug Wizard Modal
		debugWizardModalOpen,
		setDebugWizardModalOpen,
		// Debug Package Modal
		debugPackageModalOpen,
		setDebugPackageModalOpen,
		// Windows Warning Modal
		windowsWarningModalOpen,
		setWindowsWarningModalOpen,
		// Confirmation Modal
		confirmModalOpen,
		setConfirmModalOpen,
		confirmModalMessage,
		setConfirmModalMessage,
		confirmModalOnConfirm,
		setConfirmModalOnConfirm,
		// Quit Confirmation Modal
		quitConfirmModalOpen,
		setQuitConfirmModalOpen,
		// Rename Instance Modal
		renameInstanceModalOpen,
		setRenameInstanceModalOpen,
		renameInstanceValue,
		setRenameInstanceValue,
		renameInstanceSessionId,
		setRenameInstanceSessionId,
		// Rename Tab Modal
		renameTabModalOpen,
		setRenameTabModalOpen,
		renameTabId,
		setRenameTabId,
		renameTabInitialName,
		setRenameTabInitialName,
		// Rename Group Modal
		renameGroupModalOpen,
		setRenameGroupModalOpen,
		renameGroupId,
		setRenameGroupId,
		renameGroupValue,
		setRenameGroupValue,
		renameGroupEmoji,
		setRenameGroupEmoji,
		// Agent Sessions Browser
		agentSessionsOpen,
		setAgentSessionsOpen,
		activeAgentSessionId,
		setActiveAgentSessionId,
		// Execution Queue Browser Modal
		queueBrowserOpen,
		setQueueBrowserOpen,
		// Batch Runner Modal
		batchRunnerModalOpen,
		setBatchRunnerModalOpen,
		// Auto Run Setup Modal
		autoRunSetupModalOpen,
		setAutoRunSetupModalOpen,
		// Marketplace Modal
		marketplaceModalOpen,
		setMarketplaceModalOpen,
		// Wizard Resume Modal
		wizardResumeModalOpen,
		setWizardResumeModalOpen,
		wizardResumeState,
		setWizardResumeState,
		// Agent Error Modal
		agentErrorModalSessionId,
		setAgentErrorModalSessionId,
		// Worktree Modals
		worktreeConfigModalOpen,
		setWorktreeConfigModalOpen,
		createWorktreeModalOpen,
		setCreateWorktreeModalOpen,
		createWorktreeSession,
		setCreateWorktreeSession,
		createPRModalOpen,
		setCreatePRModalOpen,
		createPRSession,
		setCreatePRSession,
		deleteWorktreeModalOpen,
		setDeleteWorktreeModalOpen,
		deleteWorktreeSession,
		setDeleteWorktreeSession,
		// Tab Switcher Modal
		tabSwitcherOpen,
		setTabSwitcherOpen,
		// Fuzzy File Search Modal
		fuzzyFileSearchOpen,
		setFuzzyFileSearchOpen,
		// Prompt Composer Modal
		promptComposerOpen,
		setPromptComposerOpen,
		// Merge Session Modal
		mergeSessionModalOpen,
		setMergeSessionModalOpen,
		// Send to Agent Modal
		sendToAgentModalOpen,
		setSendToAgentModalOpen,
		// Group Chat Modals
		showNewGroupChatModal,
		setShowNewGroupChatModal,
		showDeleteGroupChatModal,
		setShowDeleteGroupChatModal,
		showRenameGroupChatModal,
		setShowRenameGroupChatModal,
		showEditGroupChatModal,
		setShowEditGroupChatModal,
		showGroupChatInfo,
		setShowGroupChatInfo,
		// Git Diff Viewer
		gitDiffPreview,
		setGitDiffPreview,
		// Git Log Viewer
		gitLogOpen,
		setGitLogOpen,
		// Tour Overlay
		tourOpen,
		setTourOpen,
		tourFromWizard,
		setTourFromWizard,
		// Symphony Modal
		symphonyModalOpen,
		setSymphonyModalOpen,
	} = useModalContext();

	// --- MOBILE LANDSCAPE MODE (reading-only view) ---
	const isMobileLandscape = useMobileLandscape();

	// --- NAVIGATION HISTORY (back/forward through sessions and tabs) ---
	const { pushNavigation, navigateBack, navigateForward } = useNavigationHistory();

	// --- WIZARD (onboarding wizard for new users) ---
	const {
		state: wizardState,
		openWizard: openWizardModal,
		restoreState: restoreWizardState,
		loadResumeState: _loadResumeState,
		clearResumeState,
		completeWizard,
		closeWizard: _closeWizardModal,
		goToStep: wizardGoToStep,
	} = useWizard();

	// --- SETTINGS (from useSettings hook) ---
	const settings = useSettings();
	const {
		settingsLoaded,
		conductorProfile,
		llmProvider,
		setLlmProvider,
		modelSlug,
		setModelSlug,
		apiKey,
		setApiKey,
		defaultShell,
		setDefaultShell,
		customShellPath,
		setCustomShellPath,
		shellArgs,
		setShellArgs,
		shellEnvVars,
		setShellEnvVars,
		ghPath,
		setGhPath,
		fontFamily,
		setFontFamily,
		fontSize,
		setFontSize,
		activeThemeId,
		setActiveThemeId,
		customThemeColors,
		setCustomThemeColors,
		customThemeBaseId,
		setCustomThemeBaseId,
		enterToSendAI,
		setEnterToSendAI,
		enterToSendTerminal,
		setEnterToSendTerminal,
		defaultSaveToHistory,
		setDefaultSaveToHistory,
		defaultShowThinking,
		setDefaultShowThinking,
		leftSidebarWidth,
		setLeftSidebarWidth,
		rightPanelWidth,
		setRightPanelWidth,
		markdownEditMode,
		setMarkdownEditMode,
		chatRawTextMode,
		setChatRawTextMode,
		showHiddenFiles,
		setShowHiddenFiles,
		terminalWidth,
		setTerminalWidth,
		logLevel,
		setLogLevel,
		logViewerSelectedLevels,
		setLogViewerSelectedLevels,
		maxLogBuffer,
		setMaxLogBuffer,
		maxOutputLines,
		setMaxOutputLines,
		osNotificationsEnabled,
		setOsNotificationsEnabled,
		audioFeedbackEnabled,
		setAudioFeedbackEnabled,
		audioFeedbackCommand,
		setAudioFeedbackCommand,
		toastDuration,
		setToastDuration,
		checkForUpdatesOnStartup,
		setCheckForUpdatesOnStartup,
		enableBetaUpdates,
		setEnableBetaUpdates,
		crashReportingEnabled,
		setCrashReportingEnabled,
		shortcuts,
		setShortcuts,
		tabShortcuts,
		setTabShortcuts,
		customAICommands,
		setCustomAICommands,
		globalStats,
		updateGlobalStats,
		autoRunStats,
		setAutoRunStats,
		recordAutoRunComplete,
		updateAutoRunProgress,
		acknowledgeBadge,
		getUnacknowledgedBadgeLevel,
		usageStats,
		updateUsageStats,
		tourCompleted: _tourCompleted,
		setTourCompleted,
		firstAutoRunCompleted,
		setFirstAutoRunCompleted,
		recordWizardStart,
		recordWizardComplete,
		recordWizardAbandon,
		recordWizardResume,
		recordTourStart,
		recordTourComplete,
		recordTourSkip,
		leaderboardRegistration,
		setLeaderboardRegistration,
		isLeaderboardRegistered,

		contextManagementSettings,
		updateContextManagementSettings: _updateContextManagementSettings,

		keyboardMasteryStats,
		recordShortcutUsage,
		acknowledgeKeyboardMasteryLevel,
		getUnacknowledgedKeyboardMasteryLevel,

		// Document Graph & Stats settings
		colorBlindMode,
		defaultStatsTimeRange,
		documentGraphShowExternalLinks,
		documentGraphMaxNodes,
		documentGraphPreviewCharLimit,

		// Rendering settings
		disableConfetti,

		// Tab naming settings
		automaticTabNamingEnabled,

		// File tab refresh settings
		fileTabAutoRefreshEnabled,

		// Windows warning suppression
		suppressWindowsWarning,
		setSuppressWindowsWarning,
	} = settings;

	// --- KEYBOARD SHORTCUT HELPERS ---
	const { isShortcut, isTabShortcut } = useKeyboardShortcutHelpers({
		shortcuts,
		tabShortcuts,
	});

	// --- SESSION STATE (Phase 6: extracted to SessionContext) ---
	// Use SessionContext for all core session states
	const {
		sessions,
		setSessions,
		groups,
		setGroups,
		activeSessionId,
		setActiveSessionId: setActiveSessionIdFromContext,
		setActiveSessionIdInternal,
		sessionsLoaded,
		setSessionsLoaded,
		initialLoadComplete,
		sessionsRef,
		groupsRef,
		activeSessionIdRef,
		batchedUpdater,
		activeSession,
		cyclePositionRef,
		removedWorktreePaths: _removedWorktreePaths,
		setRemovedWorktreePaths,
		removedWorktreePathsRef,
	} = useSession();

	// Spec Kit commands (loaded from bundled prompts)
	const [speckitCommands, setSpeckitCommands] = useState<SpecKitCommand[]>([]);

	// OpenSpec commands (loaded from bundled prompts)
	const [openspecCommands, setOpenspecCommands] = useState<OpenSpecCommand[]>([]);

	// --- GROUP CHAT STATE (Phase 4: extracted to GroupChatContext) ---
	// Note: groupChatsExpanded remains here as it's a UI layout concern (already in UILayoutContext)
	const { groupChatsExpanded, setGroupChatsExpanded } = useUILayout();

	// Use GroupChatContext for all group chat states
	const {
		groupChats,
		setGroupChats,
		activeGroupChatId,
		setActiveGroupChatId,
		groupChatMessages,
		setGroupChatMessages,
		groupChatState,
		setGroupChatState,
		groupChatStagedImages,
		setGroupChatStagedImages,
		groupChatReadOnlyMode,
		setGroupChatReadOnlyMode,
		groupChatExecutionQueue,
		setGroupChatExecutionQueue,
		groupChatRightTab,
		setGroupChatRightTab,
		groupChatParticipantColors,
		setGroupChatParticipantColors,
		moderatorUsage,
		setModeratorUsage,
		participantStates,
		setParticipantStates,
		groupChatStates,
		setGroupChatStates,
		allGroupChatParticipantStates,
		setAllGroupChatParticipantStates,
		groupChatError,
		setGroupChatError,
		groupChatInputRef,
		groupChatMessagesRef,
		clearGroupChatError: handleClearGroupChatErrorBase,
	} = useGroupChat();

	// SSH Remote configs for looking up SSH remote names (used for participant cards in group chat)
	const [sshRemoteConfigs, setSshRemoteConfigs] = useState<Array<{ id: string; name: string }>>([]);

	// Load SSH configs once on mount
	useEffect(() => {
		window.maestro?.sshRemote
			?.getConfigs()
			.then((result) => {
				if (result.success && result.configs) {
					setSshRemoteConfigs(
						result.configs.map((c: { id: string; name: string }) => ({
							id: c.id,
							name: c.name,
						}))
					);
				}
			})
			.catch(console.error);
	}, []);

	// Check for stats database initialization issues (corruption, reset, etc.) on mount
	useEffect(() => {
		window.maestro?.stats
			?.getInitializationResult()
			.then((result) => {
				if (result?.userMessage) {
					addToast({
						type: 'warning',
						title: 'Statistics Database',
						message: result.userMessage,
						duration: 10000, // Show for 10 seconds since this is important info
					});
					// Clear the result so we don't show it again
					window.maestro?.stats?.clearInitializationResult();
				}
			})
			.catch(console.error);
	}, [addToast]);

	// Compute map of session names to SSH remote names (for group chat participant cards)
	const sessionSshRemoteNames = useMemo(() => {
		const map = new Map<string, string>();
		for (const session of sessions) {
			if (session.sessionSshRemoteConfig?.enabled && session.sessionSshRemoteConfig.remoteId) {
				const sshConfig = sshRemoteConfigs.find(
					(c) => c.id === session.sessionSshRemoteConfig?.remoteId
				);
				if (sshConfig) {
					map.set(session.name, sshConfig.name);
				}
			}
		}
		return map;
	}, [sessions, sshRemoteConfigs]);

	// Wrapper for setActiveSessionId that also dismisses active group chat
	const setActiveSessionId = useCallback(
		(id: string) => {
			setActiveGroupChatId(null); // Dismiss group chat when selecting an agent
			setActiveSessionIdFromContext(id);
		},
		[setActiveSessionIdFromContext, setActiveGroupChatId]
	);

	// Input State - PERFORMANCE CRITICAL: Input values stay in App.tsx local state
	// to avoid context re-renders on every keystroke. Only completion states are in context.
	const [terminalInputValue, setTerminalInputValue] = useState('');
	const [aiInputValueLocal, setAiInputValueLocal] = useState('');

	// PERF: Refs to access current input values without triggering re-renders in memoized callbacks
	const terminalInputValueRef = useRef(terminalInputValue);
	const aiInputValueLocalRef = useRef(aiInputValueLocal);
	useEffect(() => {
		terminalInputValueRef.current = terminalInputValue;
	}, [terminalInputValue]);
	useEffect(() => {
		aiInputValueLocalRef.current = aiInputValueLocal;
	}, [aiInputValueLocal]);

	// Completion states from InputContext (these change infrequently)
	const {
		slashCommandOpen,
		setSlashCommandOpen,
		selectedSlashCommandIndex,
		setSelectedSlashCommandIndex,
		tabCompletionOpen,
		setTabCompletionOpen,
		selectedTabCompletionIndex,
		setSelectedTabCompletionIndex,
		tabCompletionFilter,
		setTabCompletionFilter,
		atMentionOpen,
		setAtMentionOpen,
		atMentionFilter,
		setAtMentionFilter,
		atMentionStartIndex,
		setAtMentionStartIndex,
		selectedAtMentionIndex,
		setSelectedAtMentionIndex,
		commandHistoryOpen,
		setCommandHistoryOpen,
		commandHistoryFilter,
		setCommandHistoryFilter,
		commandHistorySelectedIndex,
		setCommandHistorySelectedIndex,
	} = useInputContext();

	// UI State
	const { leftSidebarOpen, setLeftSidebarOpen } = useUILayout();
	const { rightPanelOpen, setRightPanelOpen } = useUILayout();
	const { activeRightTab, setActiveRightTab } = useUILayout();
	const { activeFocus, setActiveFocus } = useUILayout();
	const { bookmarksCollapsed, setBookmarksCollapsed } = useUILayout();
	const { showUnreadOnly, setShowUnreadOnly } = useUILayout();
	// Track the active tab ID before entering unread filter mode, so we can restore it when exiting
	const { preFilterActiveTabIdRef } = useUILayout();
	// Track the active file tab ID before switching to terminal mode, so we can restore it when returning to AI mode
	const { preTerminalFileTabIdRef } = useUILayout();

	// File Explorer State
	const [filePreviewLoading, setFilePreviewLoading] = useState<{
		name: string;
		path: string;
	} | null>(null);
	const { selectedFileIndex, setSelectedFileIndex } = useUILayout();
	const [flatFileList, setFlatFileList] = useState<any[]>([]);
	const { fileTreeFilter, setFileTreeFilter } = useUILayout();
	const { fileTreeFilterOpen, setFileTreeFilterOpen } = useUILayout();
	const [isGraphViewOpen, setIsGraphViewOpen] = useState(false);
	// File path to focus on when opening the Document Graph (relative to session.cwd)
	const [graphFocusFilePath, setGraphFocusFilePath] = useState<string | undefined>(undefined);
	// Track the last opened document graph for quick re-open from command palette
	const [lastGraphFocusFilePath, setLastGraphFocusFilePath] = useState<string | undefined>(
		undefined
	);
	// PERF: Ref to access lastGraphFocusFilePath in memoized callbacks without causing re-renders
	const lastGraphFocusFilePathRef = useRef(lastGraphFocusFilePath);

	// GitHub CLI availability (for gist publishing)
	const [ghCliAvailable, setGhCliAvailable] = useState(false);
	const [gistPublishModalOpen, setGistPublishModalOpen] = useState(false);
	// Tab context gist publishing - stores { filename, content } when publishing tab context
	const [tabGistContent, setTabGistContent] = useState<{
		filename: string;
		content: string;
	} | null>(null);
	// File gist URL storage - maps file paths to their published gist info
	const [fileGistUrls, setFileGistUrls] = useState<Record<string, GistInfo>>({});

	// Delete Agent Modal State
	const [deleteAgentModalOpen, setDeleteAgentModalOpen] = useState(false);
	const [deleteAgentSession, setDeleteAgentSession] = useState<Session | null>(null);

	// Note: Git Diff State, Tour Overlay State, and Git Log Viewer State are now from ModalContext

	// Renaming State
	const { editingGroupId, setEditingGroupId } = useUILayout();
	const { editingSessionId, setEditingSessionId } = useUILayout();

	// Drag and Drop State (for session list - image drag handled by useAppHandlers)
	const { draggingSessionId, setDraggingSessionId } = useUILayout();

	// Note: All modal states are now managed by ModalContext
	// See useModalContext() destructuring above for modal states

	// Stable callbacks for memoized modals (prevents re-renders from callback reference changes)
	// NOTE: These must be declared AFTER the state they reference
	const handleCloseGitDiff = useCallback(() => setGitDiffPreview(null), []);
	const handleCloseGitLog = useCallback(() => setGitLogOpen(false), []);
	const handleCloseSettings = useCallback(() => setSettingsModalOpen(false), []);
	const handleCloseDebugPackage = useCallback(() => setDebugPackageModalOpen(false), []);

	// AppInfoModals stable callbacks
	const handleCloseShortcutsHelp = useCallback(() => setShortcutsHelpOpen(false), []);
	const handleCloseAboutModal = useCallback(() => setAboutModalOpen(false), []);
	const handleCloseUpdateCheckModal = useCallback(() => setUpdateCheckModalOpen(false), []);
	const handleCloseProcessMonitor = useCallback(() => setProcessMonitorOpen(false), []);
	const handleCloseLogViewer = useCallback(() => setLogViewerOpen(false), []);

	// Confirm modal close handler
	const handleCloseConfirmModal = useCallback(() => setConfirmModalOpen(false), []);

	// Delete agent modal handlers
	const handleCloseDeleteAgentModal = useCallback(() => {
		setDeleteAgentModalOpen(false);
		setDeleteAgentSession(null);
	}, []);

	// Quit confirm modal handlers
	const handleConfirmQuit = useCallback(() => {
		setQuitConfirmModalOpen(false);
		window.maestro.app.confirmQuit();
	}, []);

	const handleConfirmQuitAndDelete = useCallback(() => {
		setQuitConfirmModalOpen(false);
		// TODO: Implement working directory deletion before quit
		window.maestro.app.confirmQuit();
	}, []);

	const handleCancelQuit = useCallback(() => {
		setQuitConfirmModalOpen(false);
		window.maestro.app.cancelQuit();
	}, []);

	// Keyboard mastery level-up callback
	const onKeyboardMasteryLevelUp = useCallback((level: number) => {
		setPendingKeyboardMasteryLevel(level);
	}, []);

	// Handle keyboard mastery celebration close
	const handleKeyboardMasteryCelebrationClose = useCallback(() => {
		if (pendingKeyboardMasteryLevel !== null) {
			acknowledgeKeyboardMasteryLevel(pendingKeyboardMasteryLevel);
		}
		setPendingKeyboardMasteryLevel(null);
	}, [pendingKeyboardMasteryLevel, acknowledgeKeyboardMasteryLevel]);

	// Handle standing ovation close
	const handleStandingOvationClose = useCallback(() => {
		if (standingOvationData) {
			// Mark badge as acknowledged when user clicks "Take a Bow"
			acknowledgeBadge(standingOvationData.badge.level);
		}
		setStandingOvationData(null);
	}, [standingOvationData, acknowledgeBadge]);

	// Handle first run celebration close
	const handleFirstRunCelebrationClose = useCallback(() => {
		setFirstRunCelebrationData(null);
	}, []);

	// Handle open leaderboard registration
	const handleOpenLeaderboardRegistration = useCallback(() => {
		setLeaderboardRegistrationOpen(true);
	}, []);

	// Handle open leaderboard registration from About modal (closes About first)
	const handleOpenLeaderboardRegistrationFromAbout = useCallback(() => {
		setAboutModalOpen(false);
		setLeaderboardRegistrationOpen(true);
	}, []);

	// AppSessionModals stable callbacks
	const handleCloseNewInstanceModal = useCallback(() => {
		setNewInstanceModalOpen(false);
		setDuplicatingSessionId(null);
	}, [setDuplicatingSessionId]);
	const handleCloseEditAgentModal = useCallback(() => {
		setEditAgentModalOpen(false);
		setEditAgentSession(null);
	}, []);
	const handleCloseRenameSessionModal = useCallback(() => {
		setRenameInstanceModalOpen(false);
		setRenameInstanceSessionId(null);
	}, []);
	const handleCloseRenameTabModal = useCallback(() => {
		setRenameTabModalOpen(false);
		setRenameTabId(null);
	}, []);

	// Note: All modal states (confirmation, rename, queue browser, batch runner, etc.)
	// are now managed by ModalContext - see useModalContext() destructuring above

	// NOTE: showSessionJumpNumbers state is now provided by useMainKeyboardHandler hook

	// Output Search State
	const { outputSearchOpen, setOutputSearchOpen } = useUILayout();
	const { outputSearchQuery, setOutputSearchQuery } = useUILayout();

	// Note: Command History, Tab Completion, and @ Mention states are now in InputContext
	// See useInputContext() destructuring above for these states

	// Flash notification state (for inline notifications like "Commands disabled while agent is working")
	const { flashNotification, setFlashNotification } = useUILayout();
	// Success flash notification state (for success messages like "Refresh complete")
	const { successFlashNotification, setSuccessFlashNotification } = useUILayout();

	// Note: Images are now stored per-tab in AITab.stagedImages
	// See stagedImages/setStagedImages computed from active tab below

	// Global Live Mode State (web interface for all sessions)
	const [isLiveMode, setIsLiveMode] = useState(false);
	const [webInterfaceUrl, setWebInterfaceUrl] = useState<string | null>(null);

	// Auto Run document management state (Phase 5: now from AutoRunContext)
	// Content is per-session in session.autoRunContent
	const {
		documentList: autoRunDocumentList,
		setDocumentList: setAutoRunDocumentList,
		documentTree: autoRunDocumentTree,
		setDocumentTree: setAutoRunDocumentTree,
		isLoadingDocuments: autoRunIsLoadingDocuments,
		setIsLoadingDocuments: setAutoRunIsLoadingDocuments,
		documentTaskCounts: autoRunDocumentTaskCounts,
		setDocumentTaskCounts: setAutoRunDocumentTaskCounts,
	} = useAutoRun();

	// Restore focus when LogViewer closes to ensure global hotkeys work
	useEffect(() => {
		// When LogViewer closes, restore focus to main container or input
		if (!logViewerOpen) {
			setTimeout(() => {
				// Try to focus input first, otherwise focus document body to ensure hotkeys work
				if (inputRef.current) {
					inputRef.current.focus();
				} else if (terminalOutputRef.current) {
					terminalOutputRef.current.focus();
				} else {
					// Blur any focused element to let global handlers work
					(document.activeElement as HTMLElement)?.blur();
					document.body.focus();
				}
			}, 50);
		}
	}, [logViewerOpen]);

	// ProcessMonitor navigation handlers
	const handleProcessMonitorNavigateToSession = useCallback(
		(sessionId: string, tabId?: string) => {
			setActiveSessionId(sessionId);
			if (tabId) {
				// Switch to the specific tab within the session
				setSessions((prev) =>
					prev.map((s) => (s.id === sessionId ? { ...s, activeTabId: tabId } : s))
				);
			}
		},
		[setActiveSessionId, setSessions]
	);

	const handleProcessMonitorNavigateToGroupChat = useCallback(
		(groupChatId: string) => {
			// Restore state for this group chat when navigating from ProcessMonitor
			setActiveGroupChatId(groupChatId);
			setGroupChatState(groupChatStates.get(groupChatId) ?? 'idle');
			setParticipantStates(allGroupChatParticipantStates.get(groupChatId) ?? new Map());
			setProcessMonitorOpen(false);
		},
		[
			setActiveGroupChatId,
			setGroupChatState,
			groupChatStates,
			setParticipantStates,
			allGroupChatParticipantStates,
		]
	);

	// LogViewer shortcut handler
	const handleLogViewerShortcutUsed = useCallback(
		(shortcutId: string) => {
			const result = recordShortcutUsage(shortcutId);
			if (result.newLevel !== null) {
				onKeyboardMasteryLevelUp(result.newLevel);
			}
		},
		[recordShortcutUsage, onKeyboardMasteryLevelUp]
	);

	// Sync toast duration setting to ToastContext
	useEffect(() => {
		setToastDefaultDuration(toastDuration);
	}, [toastDuration, setToastDefaultDuration]);

	// Sync audio feedback settings to ToastContext for TTS on toast notifications
	useEffect(() => {
		setAudioFeedback(audioFeedbackEnabled, audioFeedbackCommand);
	}, [audioFeedbackEnabled, audioFeedbackCommand, setAudioFeedback]);

	// Sync OS notifications setting to ToastContext
	useEffect(() => {
		setOsNotifications(osNotificationsEnabled);
	}, [osNotificationsEnabled, setOsNotifications]);

	// Expose playground() function for developer console
	useEffect(() => {
		(window as unknown as { playground: () => void }).playground = () => {
			setPlaygroundOpen(true);
		};
		return () => {
			delete (window as unknown as { playground?: () => void }).playground;
		};
	}, []);

	// Restore a persisted session by respawning its process
	/**
	 * Fetch git info (isRepo, branches, tags) for a session in the background.
	 * This is called after initial session restore to avoid blocking app startup
	 * on SSH timeouts for remote sessions.
	 */
	const fetchGitInfoInBackground = useCallback(
		async (sessionId: string, cwd: string, sshRemoteId: string | undefined) => {
			try {
				// Check if the working directory is a Git repository (via SSH for remote sessions)
				const isGitRepo = await gitService.isRepo(cwd, sshRemoteId);

				// Fetch git branches and tags if it's a git repo
				let gitBranches: string[] | undefined;
				let gitTags: string[] | undefined;
				let gitRefsCacheTime: number | undefined;
				if (isGitRepo) {
					[gitBranches, gitTags] = await Promise.all([
						gitService.getBranches(cwd, sshRemoteId),
						gitService.getTags(cwd, sshRemoteId),
					]);
					gitRefsCacheTime = Date.now();
				}

				// Update the session with git info and mark SSH as connected
				setSessions((prev) =>
					prev.map((s) =>
						s.id === sessionId
							? {
									...s,
									isGitRepo,
									gitBranches,
									gitTags,
									gitRefsCacheTime,
									sshConnectionFailed: false,
								}
							: s
					)
				);
			} catch (error) {
				console.warn(
					`[fetchGitInfoInBackground] Failed to fetch git info for session ${sessionId}:`,
					error
				);
				// Mark SSH connection as failed so UI can show error state
				setSessions((prev) =>
					prev.map((s) => (s.id === sessionId ? { ...s, sshConnectionFailed: true } : s))
				);
			}
		},
		[]
	);

	const restoreSession = async (session: Session): Promise<Session> => {
		try {
			// Migration: ensure projectRoot is set (for sessions created before this field was added)
			if (!session.projectRoot) {
				session = { ...session, projectRoot: session.cwd };
			}

			// Sessions must have aiTabs - if missing, this is a data corruption issue
			// Create a default tab to prevent crashes when code calls .find() on aiTabs
			if (!session.aiTabs || session.aiTabs.length === 0) {
				console.error(
					'[restoreSession] Session has no aiTabs - data corruption, creating default tab:',
					session.id
				);
				const defaultTabId = generateId();
				return {
					...session,
					aiPid: -1,
					terminalPid: 0,
					state: 'error' as SessionState,
					isLive: false,
					liveUrl: undefined,
					aiTabs: [
						{
							id: defaultTabId,
							agentSessionId: null,
							name: null,
							state: 'idle' as const,
							logs: [
								{
									id: generateId(),
									timestamp: Date.now(),
									source: 'system' as const,
									text: '⚠️ Session data was corrupted and has been recovered with a new tab.',
								},
							],
							starred: false,
							inputValue: '',
							stagedImages: [],
							createdAt: Date.now(),
						},
					],
					activeTabId: defaultTabId,
					filePreviewTabs: [],
					activeFileTabId: null,
					unifiedTabOrder: [{ type: 'ai' as const, id: defaultTabId }],
					unifiedClosedTabHistory: [],
				};
			}

			// Detect and fix inputMode/toolType mismatch
			// The AI agent should never use 'terminal' as toolType
			let correctedSession = { ...session };
			let aiAgentType = correctedSession.toolType;

			// If toolType is 'terminal', migrate to claude-code
			// This fixes legacy sessions that were incorrectly saved with toolType='terminal'
			if (aiAgentType === 'terminal') {
				console.warn(`[restoreSession] Session has toolType='terminal', migrating to claude-code`);
				aiAgentType = 'claude-code' as ToolType;
				correctedSession = {
					...correctedSession,
					toolType: 'claude-code' as ToolType,
				};

				// Add warning to the active tab's logs
				const warningLog: LogEntry = {
					id: generateId(),
					timestamp: Date.now(),
					source: 'system',
					text: '⚠️ Session migrated to use Claude Code agent.',
				};
				const activeTabIndex = correctedSession.aiTabs.findIndex(
					(tab) => tab.id === correctedSession.activeTabId
				);
				if (activeTabIndex >= 0) {
					correctedSession.aiTabs = correctedSession.aiTabs.map((tab, i) =>
						i === activeTabIndex ? { ...tab, logs: [...tab.logs, warningLog] } : tab
					);
				}
			}

			// Get agent definitions for both processes
			const agent = await window.maestro.agents.get(aiAgentType);
			if (!agent) {
				console.error(`Agent not found for toolType: ${correctedSession.toolType}`);
				return {
					...correctedSession,
					aiPid: -1,
					terminalPid: 0,
					state: 'error' as SessionState,
					isLive: false,
					liveUrl: undefined,
				};
			}

			// Don't eagerly spawn AI processes on session restore:
			// - Batch mode agents (Claude Code, OpenCode, Codex) spawn per message in useInputProcessing
			// - Terminal uses runCommand (fresh shells per command)
			// This prevents 20+ idle processes when app starts with many saved sessions
			// aiPid stays at 0 until user sends their first message
			const aiSpawnResult = { pid: 0, success: true };
			const aiSuccess = true;

			if (aiSuccess) {
				// Get SSH remote ID for remote git operations
				// Note: sshRemoteId is only set after AI agent spawns. For terminal-only SSH sessions,
				// we must fall back to sessionSshRemoteConfig.remoteId. See CLAUDE.md "SSH Remote Sessions".
				const sshRemoteId =
					correctedSession.sshRemoteId ||
					correctedSession.sessionSshRemoteConfig?.remoteId ||
					undefined;

				// For SSH remote sessions, defer git operations to background to avoid blocking
				// app startup on SSH connection timeouts (which can be 10+ seconds per session)
				const isRemoteSession = !!sshRemoteId;

				// For local sessions, check git status synchronously (fast, sub-100ms)
				// For remote sessions, use persisted value or default to false, then update in background
				let isGitRepo = correctedSession.isGitRepo ?? false;
				let gitBranches = correctedSession.gitBranches;
				let gitTags = correctedSession.gitTags;
				let gitRefsCacheTime = correctedSession.gitRefsCacheTime;

				if (!isRemoteSession) {
					// Local session - check git status synchronously (fast)
					isGitRepo = await gitService.isRepo(correctedSession.cwd, undefined);
					if (isGitRepo) {
						[gitBranches, gitTags] = await Promise.all([
							gitService.getBranches(correctedSession.cwd, undefined),
							gitService.getTags(correctedSession.cwd, undefined),
						]);
						gitRefsCacheTime = Date.now();
					}
				}
				// For remote sessions, we'll fetch git info in background after session restore

				// Reset all tab states to idle - processes don't survive app restart
				const resetAiTabs = correctedSession.aiTabs.map((tab) => ({
					...tab,
					state: 'idle' as const,
					thinkingStartTime: undefined,
				}));

				// Session restored - no superfluous messages added to AI Terminal or Command Terminal
				return {
					...correctedSession,
					aiPid: aiSpawnResult.pid,
					terminalPid: 0, // Terminal uses runCommand (fresh shells per command)
					state: 'idle' as SessionState,
					// Reset runtime-only busy state - processes don't survive app restart
					busySource: undefined,
					thinkingStartTime: undefined,
					currentCycleTokens: undefined,
					currentCycleBytes: undefined,
					statusMessage: undefined,
					isGitRepo, // Update Git status (or use persisted value for remote)
					gitBranches,
					gitTags,
					gitRefsCacheTime,
					isLive: false, // Always start offline on app restart
					liveUrl: undefined, // Clear any stale URL
					aiLogs: [], // Deprecated - logs are now in aiTabs
					aiTabs: resetAiTabs, // Reset tab states
					shellLogs: correctedSession.shellLogs, // Preserve existing Command Terminal logs
					executionQueue: correctedSession.executionQueue || [], // Ensure backwards compatibility
					activeTimeMs: correctedSession.activeTimeMs || 0, // Ensure backwards compatibility
					// Clear runtime-only error state - no agent is running yet so there can't be an error
					agentError: undefined,
					agentErrorPaused: false,
					closedTabHistory: [], // Runtime-only, reset on load
					// File preview tabs - initialize from persisted data or empty
					filePreviewTabs: correctedSession.filePreviewTabs || [],
					activeFileTabId: correctedSession.activeFileTabId ?? null,
					unifiedTabOrder:
						correctedSession.unifiedTabOrder ||
						resetAiTabs.map((tab) => ({ type: 'ai' as const, id: tab.id })),
				};
			} else {
				// Process spawn failed
				console.error(`Failed to restore session ${session.id}`);
				return {
					...session,
					aiPid: -1,
					terminalPid: 0,
					state: 'error' as SessionState,
					isLive: false,
					liveUrl: undefined,
				};
			}
		} catch (error) {
			console.error(`Error restoring session ${session.id}:`, error);
			return {
				...session,
				aiPid: -1,
				terminalPid: 0,
				state: 'error' as SessionState,
				isLive: false,
				liveUrl: undefined,
			};
		}
	};

	// Load sessions and groups from electron-store on mount
	// Use a ref to prevent duplicate execution in React Strict Mode
	const sessionLoadStarted = useRef(false);
	useEffect(() => {
		console.log('[App] Session load useEffect triggered');
		// Guard against duplicate execution in React Strict Mode
		if (sessionLoadStarted.current) {
			console.log('[App] Session load already started, skipping');
			return;
		}
		sessionLoadStarted.current = true;
		console.log('[App] Starting loadSessionsAndGroups');

		const loadSessionsAndGroups = async () => {
			let _hasSessionsLoaded = false;

			try {
				console.log('[App] About to call sessions.getAll()');
				const savedSessions = await window.maestro.sessions.getAll();
				console.log('[App] Got sessions:', savedSessions?.length ?? 0);
				const savedGroups = await window.maestro.groups.getAll();

				// Handle sessions
				if (savedSessions && savedSessions.length > 0) {
					const restoredSessions = await Promise.all(savedSessions.map((s) => restoreSession(s)));
					setSessions(restoredSessions);
					_hasSessionsLoaded = true;
					// Set active session to first session if current activeSessionId is invalid
					if (
						restoredSessions.length > 0 &&
						!restoredSessions.find((s) => s.id === activeSessionId)
					) {
						setActiveSessionId(restoredSessions[0].id);
					}

					// For remote (SSH) sessions, fetch git info in background to avoid blocking
					// startup on SSH connection timeouts. This runs after UI is shown.
					for (const session of restoredSessions) {
						const sshRemoteId = session.sshRemoteId || session.sessionSshRemoteConfig?.remoteId;
						if (sshRemoteId) {
							// Fire and forget - don't await, let it update sessions when done
							fetchGitInfoInBackground(session.id, session.cwd, sshRemoteId);
						}
					}
				} else {
					setSessions([]);
				}

				// Handle groups
				if (savedGroups && savedGroups.length > 0) {
					setGroups(savedGroups);
				} else {
					setGroups([]);
				}

				// Load group chats
				try {
					const savedGroupChats = await window.maestro.groupChat.list();
					setGroupChats(savedGroupChats || []);
				} catch (gcError) {
					console.error('Failed to load group chats:', gcError);
					setGroupChats([]);
				}
			} catch (e) {
				console.error('Failed to load sessions/groups:', e);
				setSessions([]);
				setGroups([]);
			} finally {
				// Mark initial load as complete to enable persistence
				initialLoadComplete.current = true;

				// Mark sessions as loaded for splash screen coordination
				setSessionsLoaded(true);

				// When no sessions exist, we show EmptyStateView which lets users
				// choose between "New Agent" or "Wizard" - no auto-opening wizard
			}
		};
		loadSessionsAndGroups();
	}, []);

	// Hide splash screen only when both settings and sessions have fully loaded
	// This prevents theme flash on initial render
	useEffect(() => {
		console.log(
			'[App] Splash check - settingsLoaded:',
			settingsLoaded,
			'sessionsLoaded:',
			sessionsLoaded
		);
		if (settingsLoaded && sessionsLoaded) {
			console.log('[App] Both loaded, hiding splash');
			if (typeof window.__hideSplash === 'function') {
				window.__hideSplash();
			}
		}
	}, [settingsLoaded, sessionsLoaded]);

	// Check GitHub CLI availability for gist publishing
	useEffect(() => {
		window.maestro.git
			.checkGhCli()
			.then((status) => {
				setGhCliAvailable(status.installed && status.authenticated);
			})
			.catch(() => {
				setGhCliAvailable(false);
			});
	}, []);

	// Show Windows warning modal on startup for Windows users (if not suppressed)
	// Also expose a debug function to trigger the modal from console for testing
	useEffect(() => {
		// Expose debug function regardless of platform (for testing)
		exposeWindowsWarningModalDebug(setWindowsWarningModalOpen);

		// Only check platform when settings have loaded (so we know suppress preference)
		if (!settingsLoaded) return;

		// Skip if user has suppressed the warning
		if (suppressWindowsWarning) return;

		// Check if running on Windows using the power API (has platform info)
		window.maestro.power
			.getStatus()
			.then((status) => {
				if (status.platform === 'win32') {
					setWindowsWarningModalOpen(true);
				}
			})
			.catch((error) => {
				console.error('[App] Failed to detect platform for Windows warning:', error);
			});
	}, [settingsLoaded, suppressWindowsWarning, setWindowsWarningModalOpen]);

	// Load file gist URLs from settings on startup
	useEffect(() => {
		window.maestro.settings
			.get('fileGistUrls')
			.then((savedUrls) => {
				if (savedUrls && typeof savedUrls === 'object') {
					setFileGistUrls(savedUrls as Record<string, GistInfo>);
				}
			})
			.catch(() => {
				// Ignore errors loading gist URLs
			});
	}, []);

	// Helper to save a gist URL for a file path
	const saveFileGistUrl = useCallback((filePath: string, gistInfo: GistInfo) => {
		setFileGistUrls((prev) => {
			const updated = { ...prev, [filePath]: gistInfo };
			// Persist to settings
			window.maestro.settings.set('fileGistUrls', updated);
			return updated;
		});
	}, []);

	// Expose debug helpers to window for console access
	// No dependency array - always keep functions fresh
	(window as any).__maestroDebug = {
		openDebugWizard: () => setDebugWizardModalOpen(true),
		openCommandK: () => setQuickActionOpen(true),
		openWizard: () => openWizardModal(),
		openSettings: () => setSettingsModalOpen(true),
	};

	// Check for unacknowledged badges on startup (show missed standing ovations)
	useEffect(() => {
		if (settingsLoaded && sessionsLoaded) {
			const unacknowledgedLevel = getUnacknowledgedBadgeLevel();
			if (unacknowledgedLevel !== null) {
				const badge = CONDUCTOR_BADGES.find((b) => b.level === unacknowledgedLevel);
				if (badge) {
					// Show the standing ovation overlay for the missed badge
					// Small delay to ensure UI is fully rendered
					setTimeout(() => {
						setStandingOvationData({
							badge,
							isNewRecord: false, // We don't know if it was a record, so default to false
							recordTimeMs: autoRunStats.longestRunMs,
						});
					}, 1000);
				}
			}
		}
		// autoRunStats.longestRunMs and getUnacknowledgedBadgeLevel intentionally omitted -
		// this effect runs once on startup to check for missed badges, not on every stats update
	}, [settingsLoaded, sessionsLoaded]);

	// Check for unacknowledged badges when user returns to the app
	// Uses multiple triggers: visibility change, window focus, and mouse activity
	// This catches badges earned during overnight Auto Runs when display was off
	useEffect(() => {
		if (!settingsLoaded || !sessionsLoaded) return;

		// Debounce to avoid showing multiple times
		let checkPending = false;

		const checkForUnacknowledgedBadge = () => {
			// Don't show if there's already an ovation displayed
			if (standingOvationData) return;
			if (checkPending) return;

			const unacknowledgedLevel = getUnacknowledgedBadgeLevel();
			if (unacknowledgedLevel !== null) {
				const badge = CONDUCTOR_BADGES.find((b) => b.level === unacknowledgedLevel);
				if (badge) {
					checkPending = true;
					// Small delay to let the UI stabilize
					setTimeout(() => {
						// Double-check in case it was acknowledged in the meantime
						if (!standingOvationData) {
							setStandingOvationData({
								badge,
								isNewRecord: false,
								recordTimeMs: autoRunStats.longestRunMs,
							});
						}
						checkPending = false;
					}, 500);
				}
			}
		};

		const handleVisibilityChange = () => {
			// Only check when becoming visible
			if (!document.hidden) {
				checkForUnacknowledgedBadge();
			}
		};

		const handleWindowFocus = () => {
			// Window gained focus - user is actively looking at the app
			checkForUnacknowledgedBadge();
		};

		// Mouse move handler with heavy debounce - only triggers once per 30 seconds
		let lastMouseCheck = 0;
		const handleMouseMove = () => {
			const now = Date.now();
			if (now - lastMouseCheck > 30000) {
				// 30 second debounce
				lastMouseCheck = now;
				checkForUnacknowledgedBadge();
			}
		};

		document.addEventListener('visibilitychange', handleVisibilityChange);
		window.addEventListener('focus', handleWindowFocus);
		document.addEventListener('mousemove', handleMouseMove, { passive: true });

		return () => {
			document.removeEventListener('visibilitychange', handleVisibilityChange);
			window.removeEventListener('focus', handleWindowFocus);
			document.removeEventListener('mousemove', handleMouseMove);
		};
	}, [
		settingsLoaded,
		sessionsLoaded,
		standingOvationData,
		getUnacknowledgedBadgeLevel,
		autoRunStats.longestRunMs,
	]);

	// Check for unacknowledged keyboard mastery levels on startup
	useEffect(() => {
		if (settingsLoaded && sessionsLoaded) {
			const unacknowledgedLevel = getUnacknowledgedKeyboardMasteryLevel();
			if (unacknowledgedLevel !== null) {
				// Show the keyboard mastery level-up celebration after a short delay
				setTimeout(() => {
					setPendingKeyboardMasteryLevel(unacknowledgedLevel);
				}, 1200); // Slightly longer delay than badge to avoid overlap
			}
		}
		// getUnacknowledgedKeyboardMasteryLevel intentionally omitted -
		// this effect runs once on startup to check for unacknowledged levels, not on function changes
	}, [settingsLoaded, sessionsLoaded]);

	// Scan worktree directories on startup for sessions with worktreeConfig
	// This restores worktree sub-agents after app restart
	useEffect(() => {
		if (!sessionsLoaded) return;

		const scanWorktreeConfigsOnStartup = async () => {
			// Find sessions that have worktreeConfig with basePath
			const sessionsWithWorktreeConfig = sessions.filter(
				(s) => s.worktreeConfig?.basePath && !s.parentSessionId // Only parent sessions
			);

			if (sessionsWithWorktreeConfig.length === 0) return;

			const newWorktreeSessions: Session[] = [];

			for (const parentSession of sessionsWithWorktreeConfig) {
				try {
					// Get SSH remote ID for remote git operations
					const sshRemoteId =
						parentSession.sshRemoteId ||
						parentSession.sessionSshRemoteConfig?.remoteId ||
						undefined;
					const scanResult = await window.maestro.git.scanWorktreeDirectory(
						parentSession.worktreeConfig!.basePath,
						sshRemoteId
					);
					const { gitSubdirs } = scanResult;

					for (const subdir of gitSubdirs) {
						// Skip main/master/HEAD branches
						if (
							subdir.branch === 'main' ||
							subdir.branch === 'master' ||
							subdir.branch === 'HEAD'
						) {
							continue;
						}

						// Check if a session already exists for this worktree
						// Normalize paths for comparison (remove trailing slashes)
						const normalizedSubdirPath = subdir.path.replace(/\/+$/, '');
						const existingSession = sessions.find((s) => {
							const normalizedCwd = s.cwd.replace(/\/+$/, '');
							// Check if same path (regardless of parent) or same branch under same parent
							return (
								normalizedCwd === normalizedSubdirPath ||
								(s.parentSessionId === parentSession.id && s.worktreeBranch === subdir.branch)
							);
						});
						if (existingSession) {
							continue;
						}

						// Also check in sessions we're about to add
						if (
							newWorktreeSessions.some((s) => s.cwd.replace(/\/+$/, '') === normalizedSubdirPath)
						) {
							continue;
						}

						const newId = generateId();
						const initialTabId = generateId();
						const initialTab: AITab = {
							id: initialTabId,
							agentSessionId: null,
							name: null,
							starred: false,
							logs: [],
							inputValue: '',
							stagedImages: [],
							createdAt: Date.now(),
							state: 'idle',
							saveToHistory: defaultSaveToHistory,
							showThinking: defaultShowThinking,
						};

						// Fetch git info (via SSH for remote sessions)
						let gitBranches: string[] | undefined;
						let gitTags: string[] | undefined;
						let gitRefsCacheTime: number | undefined;

						try {
							[gitBranches, gitTags] = await Promise.all([
								gitService.getBranches(subdir.path, sshRemoteId),
								gitService.getTags(subdir.path, sshRemoteId),
							]);
							gitRefsCacheTime = Date.now();
						} catch {
							// Ignore errors
						}

						const worktreeSession: Session = {
							id: newId,
							name: subdir.branch || subdir.name,
							groupId: parentSession.groupId, // Inherit group from parent
							toolType: parentSession.toolType,
							state: 'idle',
							cwd: subdir.path,
							fullPath: subdir.path,
							projectRoot: subdir.path,
							isGitRepo: true,
							gitBranches,
							gitTags,
							gitRefsCacheTime,
							parentSessionId: parentSession.id,
							worktreeBranch: subdir.branch || undefined,
							aiLogs: [],
							shellLogs: [
								{
									id: generateId(),
									timestamp: Date.now(),
									source: 'system',
									text: 'Worktree Session Ready.',
								},
							],
							workLog: [],
							contextUsage: 0,
							inputMode: parentSession.toolType === 'terminal' ? 'terminal' : 'ai',
							aiPid: 0,
							terminalPid: 0,
							port: 3000 + Math.floor(Math.random() * 100),
							isLive: false,
							changedFiles: [],
							fileTree: [],
							fileExplorerExpanded: [],
							fileExplorerScrollPos: 0,
							fileTreeAutoRefreshInterval: 180,
							shellCwd: subdir.path,
							aiCommandHistory: [],
							shellCommandHistory: [],
							executionQueue: [],
							activeTimeMs: 0,
							aiTabs: [initialTab],
							activeTabId: initialTabId,
							closedTabHistory: [],
							filePreviewTabs: [],
							activeFileTabId: null,
							unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
							unifiedClosedTabHistory: [],
							customPath: parentSession.customPath,
							customArgs: parentSession.customArgs,
							customEnvVars: parentSession.customEnvVars,
							customModel: parentSession.customModel,
							customContextWindow: parentSession.customContextWindow,
							nudgeMessage: parentSession.nudgeMessage,
							autoRunFolderPath: parentSession.autoRunFolderPath,
							// Inherit SSH configuration from parent session
							sessionSshRemoteConfig: parentSession.sessionSshRemoteConfig,
						};

						newWorktreeSessions.push(worktreeSession);
					}
				} catch (err) {
					console.error(
						`[WorktreeStartup] Error scanning ${parentSession.worktreeConfig!.basePath}:`,
						err
					);
				}
			}

			if (newWorktreeSessions.length > 0) {
				setSessions((prev) => {
					// Double-check to avoid duplicates
					const currentPaths = new Set(prev.map((s) => s.cwd));
					const trulyNew = newWorktreeSessions.filter((s) => !currentPaths.has(s.cwd));
					if (trulyNew.length === 0) return prev;
					return [...prev, ...trulyNew];
				});

				// Expand worktrees on parent sessions
				const parentIds = new Set(newWorktreeSessions.map((s) => s.parentSessionId));
				setSessions((prev) =>
					prev.map((s) => (parentIds.has(s.id) ? { ...s, worktreesExpanded: true } : s))
				);
			}
		};

		// Run once on startup with a small delay to let UI settle
		const timer = setTimeout(scanWorktreeConfigsOnStartup, 500);
		return () => clearTimeout(timer);
	}, [sessionsLoaded]); // Only run once when sessions are loaded

	// Sync beta updates setting to electron-updater when it changes
	useEffect(() => {
		if (settingsLoaded) {
			window.maestro.updates.setAllowPrerelease(enableBetaUpdates);
		}
	}, [settingsLoaded, enableBetaUpdates]);

	// Check for updates on startup if enabled
	useEffect(() => {
		if (settingsLoaded && checkForUpdatesOnStartup) {
			// Delay to let the app fully initialize
			const timer = setTimeout(async () => {
				try {
					const result = await window.maestro.updates.check(enableBetaUpdates);
					if (result.updateAvailable && !result.error) {
						setUpdateCheckModalOpen(true);
					}
				} catch (error) {
					console.error('Failed to check for updates on startup:', error);
				}
			}, 2000);
			return () => clearTimeout(timer);
		}
	}, [settingsLoaded, checkForUpdatesOnStartup, enableBetaUpdates]);

	// Sync leaderboard stats from server on startup (Gap 2 fix for multi-device aggregation)
	// This ensures a new device installation gets the aggregated stats from all devices
	useEffect(() => {
		if (!settingsLoaded) return;
		const authToken = leaderboardRegistration?.authToken;
		const email = leaderboardRegistration?.email;
		if (!authToken || !email) return;

		// Delay to let the app fully initialize
		const timer = setTimeout(async () => {
			try {
				const result = await window.maestro.leaderboard.sync({
					email,
					authToken,
				});

				if (result.success && result.found && result.data) {
					// Only update if server has more data than local
					if (result.data.cumulativeTimeMs > autoRunStats.cumulativeTimeMs) {
						const longestRunTimestamp = result.data.longestRunDate
							? new Date(result.data.longestRunDate).getTime()
							: autoRunStats.longestRunTimestamp;

						handleSyncAutoRunStats({
							cumulativeTimeMs: result.data.cumulativeTimeMs,
							totalRuns: result.data.totalRuns,
							currentBadgeLevel: result.data.badgeLevel,
							longestRunMs: result.data.longestRunMs ?? autoRunStats.longestRunMs,
							longestRunTimestamp,
						});

						console.log('[Leaderboard] Startup sync: updated local stats from server', {
							serverCumulativeMs: result.data.cumulativeTimeMs,
							localCumulativeMs: autoRunStats.cumulativeTimeMs,
						});
					}
				}
				// Silent failure - startup sync is not critical
			} catch (error) {
				console.debug('[Leaderboard] Startup sync failed (non-critical):', error);
			}
		}, 3000); // Slightly longer delay than update check

		return () => clearTimeout(timer);
		// Deps intentionally limited - we only want this to run once on startup when user is registered
	}, [settingsLoaded, leaderboardRegistration?.authToken]);

	// Load spec-kit commands on startup
	useEffect(() => {
		const loadSpeckitCommands = async () => {
			try {
				const commands = await getSpeckitCommands();
				setSpeckitCommands(commands);
			} catch (error) {
				console.error('[SpecKit] Failed to load commands:', error);
			}
		};
		loadSpeckitCommands();
	}, []);

	// Load OpenSpec commands on startup
	useEffect(() => {
		const loadOpenspecCommands = async () => {
			try {
				const commands = await getOpenSpecCommands();
				setOpenspecCommands(commands);
			} catch (error) {
				console.error('[OpenSpec] Failed to load commands:', error);
			}
		};
		loadOpenspecCommands();
	}, []);

	// Set up process event listeners for real-time output
	useEffect(() => {
		// Copy ref value to local variable for cleanup (React ESLint rule)
		const thinkingChunkBuffer = thinkingChunkBufferRef.current;

		// Handle process output data (BATCHED for performance)
		// sessionId will be in format: "{id}-ai-{tabId}", "{id}-terminal", "{id}-batch-{timestamp}", etc.
		const unsubscribeData = window.maestro.process.onData((sessionId: string, data: string) => {
			// Parse sessionId to determine which process this is from
			let actualSessionId: string;
			let isFromAi: boolean;
			let tabIdFromSession: string | undefined;

			// Format: sessionId-ai-tabId
			const aiTabMatch = sessionId.match(/^(.+)-ai-(.+)$/);
			if (aiTabMatch) {
				actualSessionId = aiTabMatch[1];
				tabIdFromSession = aiTabMatch[2];
				isFromAi = true;
			} else if (sessionId.endsWith('-terminal')) {
				// Ignore PTY terminal output - we use runCommand for terminal commands,
				// which emits data with plain session ID (not -terminal suffix)
				return;
			} else if (sessionId.includes('-batch-')) {
				// Ignore batch task output - these are handled separately by spawnAgentForSession
				// and their output goes to history entries, not to the AI terminal
				return;
			} else {
				// Plain session ID = output from runCommand (terminal commands)
				actualSessionId = sessionId;
				isFromAi = false;
			}

			// Filter out empty stdout for terminal commands (AI output should pass through)
			if (!isFromAi && !data.trim()) return;

			// For terminal output, use batched append to shell logs
			if (!isFromAi) {
				batchedUpdater.appendLog(actualSessionId, null, false, data);
				return;
			}

			// For AI output, determine target tab ID
			// Priority: 1) tab ID from session ID (most reliable), 2) busy tab, 3) active tab
			let targetTabId = tabIdFromSession;
			if (!targetTabId) {
				// Fallback: look up session from ref to find busy/active tab
				const session = sessionsRef.current.find((s) => s.id === actualSessionId);
				if (session) {
					const targetTab = getWriteModeTab(session) || getActiveTab(session);
					if (targetTab) {
						targetTabId = targetTab.id;
					}
				}
			}

			if (!targetTabId) {
				console.error(
					'[onData] No target tab found - session has no aiTabs, this should not happen'
				);
				return;
			}

			// Batch the log append, delivery mark, unread mark, and byte tracking
			batchedUpdater.appendLog(actualSessionId, targetTabId, true, data);
			batchedUpdater.markDelivered(actualSessionId, targetTabId);
			batchedUpdater.updateCycleBytes(actualSessionId, data.length);

			// Clear error state if session had an error but is now receiving successful data
			// This indicates the user fixed the issue (e.g., re-authenticated) and the agent is working
			const sessionForErrorCheck = sessionsRef.current.find((s) => s.id === actualSessionId);
			if (sessionForErrorCheck?.agentError) {
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== actualSessionId) return s;
						// Clear error from session and the specific tab
						const updatedAiTabs = s.aiTabs.map((tab) =>
							tab.id === targetTabId ? { ...tab, agentError: undefined } : tab
						);
						return {
							...s,
							agentError: undefined,
							agentErrorTabId: undefined,
							agentErrorPaused: false,
							state: 'busy' as SessionState, // Keep busy since we're receiving data
							aiTabs: updatedAiTabs,
						};
					})
				);
				// Notify main process to clear error state
				window.maestro.agentError.clearError(actualSessionId).catch((err) => {
					console.error('Failed to clear agent error on successful data:', err);
				});
			}

			// Determine if tab should be marked as unread
			// Mark as unread if user hasn't seen the new message:
			// - The tab is not the active tab in this session, OR
			// - The session is not the active session, OR
			// - The user has scrolled up (not at bottom)
			const session = sessionsRef.current.find((s) => s.id === actualSessionId);
			if (session) {
				const targetTab = session.aiTabs?.find((t) => t.id === targetTabId);
				if (targetTab) {
					const isTargetTabActive = targetTab.id === session.activeTabId;
					const isThisSessionActive = session.id === activeSessionIdRef.current;
					const isUserAtBottom = targetTab.isAtBottom !== false; // Default to true if undefined
					const shouldMarkUnread = !isTargetTabActive || !isThisSessionActive || !isUserAtBottom;
					batchedUpdater.markUnread(actualSessionId, targetTabId, shouldMarkUnread);
				}
			}
		});

		// Handle process exit
		const unsubscribeExit = window.maestro.process.onExit(
			async (sessionId: string, code: number) => {
				// Log all exit events to help diagnose thinking pill disappearing prematurely
				console.log('[onExit] Process exit event received:', {
					rawSessionId: sessionId,
					exitCode: code,
					timestamp: new Date().toISOString(),
				});

				// Parse sessionId to determine which process exited
				// Format: {id}-ai-{tabId}, {id}-terminal, {id}-batch-{timestamp}
				let actualSessionId: string;
				let isFromAi: boolean;
				let tabIdFromSession: string | undefined;

				// Format: sessionId-ai-tabId
				const aiTabMatch = sessionId.match(/^(.+)-ai-(.+)$/);
				if (aiTabMatch) {
					actualSessionId = aiTabMatch[1];
					tabIdFromSession = aiTabMatch[2];
					isFromAi = true;
				} else if (sessionId.endsWith('-terminal')) {
					actualSessionId = sessionId.slice(0, -9);
					isFromAi = false;
				} else if (sessionId.includes('-batch-')) {
					// Ignore batch task exits - handled separately by spawnAgentForSession's own listener
					return;
				} else {
					actualSessionId = sessionId;
					isFromAi = false;
				}

				// SAFETY CHECK: Verify the process is actually gone before transitioning to idle
				// This prevents the thinking pill from disappearing while the process is still running
				// (which can happen if we receive a stale/duplicate exit event)
				if (isFromAi) {
					try {
						const activeProcesses = await window.maestro.process.getActiveProcesses();
						const processStillRunning = activeProcesses.some((p) => p.sessionId === sessionId);
						if (processStillRunning) {
							console.warn('[onExit] Process still running despite exit event, ignoring:', {
								sessionId,
								activeProcesses: activeProcesses.map((p) => p.sessionId),
							});
							return;
						}
					} catch (error) {
						console.error('[onExit] Failed to verify process status:', error);
						// Continue with exit handling if we can't verify - better than getting stuck
					}
				}

				// For AI exits, gather toast data BEFORE state update to avoid side effects in updater
				// React 18 StrictMode may call state updater functions multiple times
				let toastData: {
					title: string;
					summary: string;
					groupName: string;
					projectName: string;
					duration: number;
					agentSessionId?: string;
					tabName?: string;
					usageStats?: UsageStats;
					prompt?: string;
					response?: string;
					sessionSizeKB?: string;
					sessionId?: string; // Maestro session ID for toast navigation
					tabId?: string; // Tab ID for toast navigation
					// Stats tracking fields
					agentType?: string;
					projectPath?: string;
					startTime?: number;
					isRemote?: boolean; // Whether this was an SSH remote session
				} | null = null;
				let queuedItemToProcess: {
					sessionId: string;
					item: QueuedItem;
				} | null = null;
				// Track if we need to run synopsis after completion (for /commit and other AI commands)
				let synopsisData: {
					sessionId: string;
					cwd: string;
					agentSessionId: string;
					command: string;
					groupName: string;
					projectName: string;
					tabName?: string;
					tabId?: string;
					lastSynopsisTime?: number;
					taskDuration?: number; // Duration of the task that just completed (from thinkingStartTime)
					toolType?: ToolType;
					sessionConfig?: {
						customPath?: string;
						customArgs?: string;
						customEnvVars?: Record<string, string>;
						customModel?: string;
						customContextWindow?: number;
					};
				} | null = null;

				if (isFromAi) {
					const currentSession = sessionsRef.current.find((s) => s.id === actualSessionId);
					if (currentSession) {
						// Check if there are queued items to process next
						// We still want to show a toast for this tab's completion even if other tabs have work queued
						// BUT don't process queue if there's an active error - wait for error resolution
						if (
							currentSession.executionQueue.length > 0 &&
							!(currentSession.state === 'error' && currentSession.agentError)
						) {
							queuedItemToProcess = {
								sessionId: actualSessionId,
								item: currentSession.executionQueue[0],
							};
						}

						// Gather toast notification data for the completed tab
						// Show toast regardless of queue state - each tab completion deserves notification
						// Use the SPECIFIC tab that just completed (from tabIdFromSession), NOT the active tab
						// This is critical for parallel tab execution where multiple tabs complete independently
						const completedTab = tabIdFromSession
							? currentSession.aiTabs?.find((tab) => tab.id === tabIdFromSession)
							: getActiveTab(currentSession);
						const logs = completedTab?.logs || [];
						const lastUserLog = logs.filter((log) => log.source === 'user').pop();
						// Find last AI response: 'stdout' or 'ai' source (note: 'thinking' logs are already excluded since they have a distinct source type)
						const lastAiLog = logs
							.filter((log) => log.source === 'stdout' || log.source === 'ai')
							.pop();
						// Use the completed tab's thinkingStartTime for accurate per-tab duration
						const completedTabData = currentSession.aiTabs?.find(
							(tab) => tab.id === tabIdFromSession
						);
						const duration = completedTabData?.thinkingStartTime
							? Date.now() - completedTabData.thinkingStartTime
							: currentSession.thinkingStartTime
								? Date.now() - currentSession.thinkingStartTime
								: 0;

						// Calculate session size in bytes for debugging context issues
						const sessionSizeBytes = logs.reduce((sum, log) => sum + (log.text?.length || 0), 0);
						const sessionSizeKB = (sessionSizeBytes / 1024).toFixed(1);

						// Get group name for this session (sessions have groupId, groups have id)
						const sessionGroup = currentSession.groupId
							? groupsRef.current.find((g: any) => g.id === currentSession.groupId)
							: null;
						const groupName = sessionGroup?.name || 'Ungrouped';
						const projectName =
							currentSession.name || currentSession.cwd.split('/').pop() || 'Unknown';

						// Create title from user's request (truncated)
						let title = 'Task Complete';
						if (lastUserLog?.text) {
							const userText = lastUserLog.text.trim();
							title = userText.length > 50 ? userText.substring(0, 47) + '...' : userText;
						}

						// Create a short summary from the last AI response
						// Skip conversational fillers like "Excellent!", "Perfect!", etc.
						let summary = '';
						if (lastAiLog?.text) {
							const text = lastAiLog.text.trim();
							if (text.length > 10) {
								// Match sentences (text ending with . ! or ?)
								const sentences = text.match(/[^.!?\n]+[.!?]+/g) || [];
								// Pattern to detect conversational filler sentences
								const fillerPattern =
									/^(excellent|perfect|great|awesome|wonderful|fantastic|good|nice|cool|done|ok|okay|alright|sure|yes|yeah|absolutely|certainly|definitely|looks?\s+good|all\s+(set|done|ready)|got\s+it|understood|will\s+do|on\s+it|no\s+problem|no\s+worries|happy\s+to\s+help)[!.\s]*$/i;
								// Find the first non-filler sentence
								const meaningfulSentence = sentences.find((s) => !fillerPattern.test(s.trim()));
								const firstSentence = meaningfulSentence?.trim() || text.substring(0, 120);
								summary =
									firstSentence.length < text.length
										? firstSentence
										: text.substring(0, 120) + (text.length > 120 ? '...' : '');
							}
						}
						if (!summary) {
							summary = 'Completed successfully';
						}

						// Get the completed tab's agentSessionId for traceability
						const agentSessionId = completedTab?.agentSessionId || currentSession.agentSessionId;
						// Get tab name: prefer tab's name, fallback to short UUID from agentSessionId
						const tabName =
							completedTab?.name ||
							(agentSessionId ? agentSessionId.substring(0, 8).toUpperCase() : undefined);

						toastData = {
							title,
							summary,
							groupName,
							projectName,
							duration,
							agentSessionId: agentSessionId || undefined,
							tabName,
							usageStats: currentSession.usageStats,
							prompt: lastUserLog?.text,
							response: lastAiLog?.text,
							sessionSizeKB,
							sessionId: actualSessionId, // For toast navigation
							tabId: completedTab?.id, // For toast navigation to specific tab
							// Stats tracking fields
							agentType: currentSession.toolType,
							projectPath: currentSession.cwd,
							startTime: completedTabData?.thinkingStartTime || currentSession.thinkingStartTime,
							// SSH remote session tracking: check both sshRemoteId (set after spawn) and sessionSshRemoteConfig (set before spawn)
							isRemote: !!(
								currentSession.sshRemoteId || currentSession.sessionSshRemoteConfig?.enabled
							),
						};

						// Check if synopsis should be triggered:
						// 1. Tab has saveToHistory enabled, OR
						// 2. This was a custom AI command (pendingAICommandForSynopsis)
						// Only trigger when queue is empty (final task complete) and we have a agentSessionId
						const shouldSynopsis =
							currentSession.executionQueue.length === 0 &&
							(completedTab?.agentSessionId || currentSession.agentSessionId) &&
							(completedTab?.saveToHistory || currentSession.pendingAICommandForSynopsis);

						if (shouldSynopsis) {
							synopsisData = {
								sessionId: actualSessionId,
								cwd: currentSession.cwd,
								agentSessionId: completedTab?.agentSessionId || currentSession.agentSessionId!,
								command: currentSession.pendingAICommandForSynopsis || 'Save to History',
								groupName,
								projectName,
								tabName,
								tabId: completedTab?.id,
								lastSynopsisTime: completedTab?.lastSynopsisTime, // Track when last synopsis was generated
								taskDuration: duration, // Duration of the task that just completed
								toolType: currentSession.toolType, // Pass tool type for multi-provider support
								sessionConfig: {
									customPath: currentSession.customPath,
									customArgs: currentSession.customArgs,
									customEnvVars: currentSession.customEnvVars,
									customModel: currentSession.customModel,
									customContextWindow: currentSession.customContextWindow,
								},
							};
						}
					}
				}

				// Update state (pure function - no side effects)
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== actualSessionId) return s;

						if (isFromAi) {
							// Don't process queue if session is in error state - preserve error
							// Queue will be processed after error is resolved
							if (s.state === 'error' && s.agentError) {
								// Set the specific tab to idle but preserve session error state
								const updatedAiTabs =
									s.aiTabs?.length > 0
										? s.aiTabs.map((tab) => {
												if (tabIdFromSession) {
													return tab.id === tabIdFromSession
														? {
																...tab,
																state: 'idle' as const,
																thinkingStartTime: undefined,
															}
														: tab;
												} else {
													return tab.state === 'busy'
														? {
																...tab,
																state: 'idle' as const,
																thinkingStartTime: undefined,
															}
														: tab;
												}
											})
										: s.aiTabs;

								return {
									...s,
									state: 'error' as SessionState, // Preserve error state
									busySource: undefined,
									thinkingStartTime: undefined,
									aiTabs: updatedAiTabs,
								};
							}

							// Check if there are queued items in the execution queue
							if (s.executionQueue.length > 0) {
								const [nextItem, ...remainingQueue] = s.executionQueue;

								// Determine which tab this item belongs to
								const targetTab =
									s.aiTabs.find((tab) => tab.id === nextItem.tabId) || getActiveTab(s);

								if (!targetTab) {
									// Fallback: no tabs exist, just update the queue
									return {
										...s,
										state: 'busy' as SessionState,
										busySource: 'ai',
										executionQueue: remainingQueue,
										thinkingStartTime: Date.now(),
										currentCycleTokens: 0,
										currentCycleBytes: 0,
									};
								}

								// IMPORTANT: Set the ORIGINAL tab (that just finished) to idle,
								// UNLESS it's also the target tab for the next queued item.
								// Also set target tab to 'busy' so thinking pill can find it via getWriteModeTab()
								let updatedAiTabs = s.aiTabs.map((tab) => {
									// If this tab is the target for the next queued item, set it to busy
									// (takes priority over setting to idle, even if it's the same tab that just finished)
									if (tab.id === targetTab.id) {
										return {
											...tab,
											state: 'busy' as const,
											thinkingStartTime: Date.now(),
										};
									}
									// Set the original tab (that just finished) to idle, but only if it's different from target
									if (tabIdFromSession && tab.id === tabIdFromSession) {
										return { ...tab, state: 'idle' as const };
									}
									return tab;
								});

								// For message items, add a log entry to the target tab
								// For command items, the log entry will be added when the command is processed
								if (nextItem.type === 'message' && nextItem.text) {
									const logEntry: LogEntry = {
										id: generateId(),
										timestamp: Date.now(),
										source: 'user',
										text: nextItem.text,
										images: nextItem.images,
									};
									updatedAiTabs = updatedAiTabs.map((tab) =>
										tab.id === targetTab.id ? { ...tab, logs: [...tab.logs, logEntry] } : tab
									);
								}

								// NOTE: Do NOT switch activeTabId - let user control tab switching
								// The queued message processes in the background on its target tab
								return {
									...s,
									state: 'busy' as SessionState,
									busySource: 'ai',
									aiTabs: updatedAiTabs,
									// activeTabId stays unchanged - user controls tab switching
									executionQueue: remainingQueue,
									thinkingStartTime: Date.now(),
									currentCycleTokens: 0,
									currentCycleBytes: 0,
								};
							}

							// Task complete - set the specific tab to 'idle' for write-mode tracking
							// Use tabIdFromSession if available (new format), otherwise set all busy tabs to idle (legacy)
							const updatedAiTabs =
								s.aiTabs?.length > 0
									? s.aiTabs.map((tab) => {
											if (tabIdFromSession) {
												// New format: only update the specific tab
												return tab.id === tabIdFromSession
													? {
															...tab,
															state: 'idle' as const,
															thinkingStartTime: undefined,
														}
													: tab;
											} else {
												// Legacy format: update all busy tabs
												return tab.state === 'busy'
													? {
															...tab,
															state: 'idle' as const,
															thinkingStartTime: undefined,
														}
													: tab;
											}
										})
									: s.aiTabs;

							// Check if ANY other tabs are still busy (for parallel read-only execution)
							// Only set session to idle if no tabs are busy
							// IMPORTANT: Preserve 'error' state if session has an active agentError - don't overwrite with 'idle'
							const anyTabStillBusy = updatedAiTabs.some((tab) => tab.state === 'busy');
							const newState =
								s.state === 'error' && s.agentError
									? ('error' as SessionState) // Preserve error state
									: anyTabStillBusy
										? ('busy' as SessionState)
										: ('idle' as SessionState);
							const newBusySource = anyTabStillBusy ? s.busySource : undefined;

							// Log state transition for debugging thinking pill issues
							console.log('[onExit] Session state transition:', {
								sessionId: s.id.substring(0, 8),
								tabIdFromSession: tabIdFromSession?.substring(0, 8),
								previousState: s.state,
								newState,
								previousBusySource: s.busySource,
								newBusySource,
								anyTabStillBusy,
								tabStates: updatedAiTabs.map((t) => ({
									id: t.id.substring(0, 8),
									state: t.state,
								})),
							});

							// Task complete - also clear pending AI command flag
							return {
								...s,
								state: newState,
								busySource: newBusySource,
								thinkingStartTime: anyTabStillBusy ? s.thinkingStartTime : undefined,
								pendingAICommandForSynopsis: undefined,
								aiTabs: updatedAiTabs,
							};
						}

						// Terminal exit - show exit code
						const exitLog: LogEntry = {
							id: generateId(),
							timestamp: Date.now(),
							source: 'system',
							text: `Terminal process exited with code ${code}`,
						};

						// Check if any AI tabs are still busy - don't clear session state if so
						const anyAiTabBusy = s.aiTabs?.some((tab) => tab.state === 'busy') || false;

						return {
							...s,
							// Only clear session state if no AI tabs are busy
							state: anyAiTabBusy ? s.state : ('idle' as SessionState),
							busySource: anyAiTabBusy ? s.busySource : undefined,
							shellLogs: [...s.shellLogs, exitLog],
						};
					})
				);

				// Refresh git branches/tags after terminal command completes in git repos
				// Check if the last command was a git command that might modify refs
				if (!isFromAi) {
					const currentSession = sessionsRef.current.find((s) => s.id === actualSessionId);
					if (currentSession?.isGitRepo) {
						// Get the last user command from shell logs
						const userLogs = currentSession.shellLogs.filter((log) => log.source === 'user');
						const lastCommand = userLogs[userLogs.length - 1]?.text?.trim().toLowerCase() || '';

						// Refresh refs if command might have modified them
						const gitRefCommands = [
							'git branch',
							'git checkout',
							'git switch',
							'git fetch',
							'git pull',
							'git tag',
							'git merge',
							'git rebase',
							'git reset',
						];
						const shouldRefresh = gitRefCommands.some((cmd) => lastCommand.startsWith(cmd));

						if (shouldRefresh) {
							(async () => {
								const sshRemoteId =
									currentSession.sshRemoteId ||
									currentSession.sessionSshRemoteConfig?.remoteId ||
									undefined;
								const [gitBranches, gitTags] = await Promise.all([
									gitService.getBranches(currentSession.cwd, sshRemoteId),
									gitService.getTags(currentSession.cwd, sshRemoteId),
								]);
								setSessions((prev) =>
									prev.map((s) =>
										s.id === actualSessionId
											? {
													...s,
													gitBranches,
													gitTags,
													gitRefsCacheTime: Date.now(),
												}
											: s
									)
								);
							})();
						}
					}
				}

				// Fire side effects AFTER state update (outside the updater function)
				// Record stats for any completed query (even if we have queued items to process next)
				if (toastData?.startTime && toastData?.agentType) {
					// Determine if this query was part of an Auto Run session
					const sessionIdForStats = toastData.sessionId || actualSessionId;
					const isAutoRunQuery = getBatchStateRef.current
						? getBatchStateRef.current(sessionIdForStats).isRunning
						: false;

					window.maestro.stats
						.recordQuery({
							sessionId: sessionIdForStats,
							agentType: toastData.agentType,
							source: isAutoRunQuery ? 'auto' : 'user',
							startTime: toastData.startTime,
							duration: toastData.duration,
							projectPath: toastData.projectPath,
							tabId: toastData.tabId,
							isRemote: toastData.isRemote,
						})
						.catch((err) => {
							// Don't fail the completion flow if stats recording fails
							console.warn('[onProcessExit] Failed to record query stats:', err);
						});
				}

				if (queuedItemToProcess) {
					setTimeout(() => {
						processQueuedItem(queuedItemToProcess!.sessionId, queuedItemToProcess!.item);
					}, 0);
				} else if (toastData) {
					setTimeout(() => {
						// Log agent completion for debugging and traceability
						window.maestro.logger.log('info', 'Agent process completed', 'App', {
							agentSessionId: toastData!.agentSessionId,
							group: toastData!.groupName,
							project: toastData!.projectName,
							durationMs: toastData!.duration,
							sessionSizeKB: toastData!.sessionSizeKB,
							prompt:
								toastData!.prompt?.substring(0, 200) +
								(toastData!.prompt && toastData!.prompt.length > 200 ? '...' : ''),
							response:
								toastData!.response?.substring(0, 500) +
								(toastData!.response && toastData!.response.length > 500 ? '...' : ''),
							inputTokens: toastData!.usageStats?.inputTokens,
							outputTokens: toastData!.usageStats?.outputTokens,
							cacheReadTokens: toastData!.usageStats?.cacheReadInputTokens,
							totalCostUsd: toastData!.usageStats?.totalCostUsd,
						});

						// Suppress toast if user is already viewing this tab (they'll see the response directly)
						// Only show toasts for out-of-view completions (different session or different tab)
						const currentActiveSession = sessionsRef.current.find(
							(s) => s.id === activeSessionIdRef.current
						);
						const isViewingCompletedTab =
							currentActiveSession?.id === actualSessionId &&
							(!tabIdFromSession || currentActiveSession.activeTabId === tabIdFromSession);

						if (!isViewingCompletedTab) {
							addToastRef.current({
								type: 'success',
								title: toastData!.title,
								message: toastData!.summary,
								group: toastData!.groupName,
								project: toastData!.projectName,
								taskDuration: toastData!.duration,
								agentSessionId: toastData!.agentSessionId,
								tabName: toastData!.tabName,
								sessionId: toastData!.sessionId,
								tabId: toastData!.tabId,
							});
						}
					}, 0);
				}

				// Run synopsis in parallel if this was a custom AI command (like /commit)
				// This creates a USER history entry to track the work
				if (synopsisData && spawnBackgroundSynopsisRef.current && addHistoryEntryRef.current) {
					// Build dynamic prompt based on whether there's a previous synopsis timestamp
					// This ensures the AI only summarizes work since the last synopsis
					let SYNOPSIS_PROMPT: string;
					if (synopsisData.lastSynopsisTime) {
						const timeAgo = formatRelativeTime(synopsisData.lastSynopsisTime);
						SYNOPSIS_PROMPT = `${autorunSynopsisPrompt}\n\nIMPORTANT: Only synopsize work done since the last synopsis (${timeAgo}). Do not repeat previous work.`;
					} else {
						SYNOPSIS_PROMPT = autorunSynopsisPrompt;
					}
					const startTime = Date.now();
					const synopsisTime = Date.now(); // Capture time for updating lastSynopsisTime

					spawnBackgroundSynopsisRef
						.current(
							synopsisData.sessionId,
							synopsisData.cwd,
							synopsisData.agentSessionId,
							SYNOPSIS_PROMPT,
							synopsisData.toolType, // Pass tool type for multi-provider support
							synopsisData.sessionConfig // Pass session config for custom env vars, args, etc.
						)
						.then((result) => {
							const duration = Date.now() - startTime;
							if (result.success && result.response && addHistoryEntryRef.current) {
								// Parse the synopsis response to check for NOTHING_TO_REPORT
								const parsed = parseSynopsis(result.response);

								// Skip history entry and toast if nothing meaningful to report
								if (parsed.nothingToReport) {
									console.log(
										'[onProcessExit] Synopsis returned NOTHING_TO_REPORT - skipping history entry',
										{
											sessionId: synopsisData!.sessionId,
											agentSessionId: synopsisData!.agentSessionId,
										}
									);
									return;
								}

								// IMPORTANT: Pass explicit sessionId and projectPath to prevent cross-agent bleed
								// when user switches agents while synopsis is running in background
								addHistoryEntryRef.current({
									type: 'USER',
									summary: parsed.shortSummary,
									fullResponse: parsed.fullSynopsis,
									agentSessionId: synopsisData!.agentSessionId,
									usageStats: result.usageStats,
									sessionId: synopsisData!.sessionId,
									projectPath: synopsisData!.cwd,
									sessionName: synopsisData!.tabName,
									// Use actual task duration (from thinkingStartTime to completion)
									elapsedTimeMs: synopsisData!.taskDuration,
								});

								// Update lastSynopsisTime on the tab so future synopses know the time window
								setSessions((prev) =>
									prev.map((s) => {
										if (s.id !== synopsisData!.sessionId) return s;
										return {
											...s,
											aiTabs: s.aiTabs.map((tab) => {
												if (tab.id !== synopsisData!.tabId) return tab;
												return { ...tab, lastSynopsisTime: synopsisTime };
											}),
										};
									})
								);

								// Show toast for synopsis completion
								// Skip custom notification - synopsis is not part of regular AI conversation flow
								addToastRef.current({
									type: 'info',
									title: 'Synopsis',
									message: parsed.shortSummary,
									group: synopsisData!.groupName,
									project: synopsisData!.projectName,
									taskDuration: duration,
									sessionId: synopsisData!.sessionId,
									tabId: synopsisData!.tabId,
									tabName: synopsisData!.tabName,
									skipCustomNotification: true,
								});

								// Refresh history panel if available
								if (rightPanelRef.current) {
									rightPanelRef.current.refreshHistoryPanel();
								}
							} else if (!result.success) {
								console.warn(
									'[onProcessExit] Synopsis generation failed - no history entry created',
									{
										sessionId: synopsisData!.sessionId,
										agentSessionId: synopsisData!.agentSessionId,
										hasResponse: !!result.response,
									}
								);
							}
						})
						.catch((err) => {
							console.error('[onProcessExit] Synopsis failed:', err);
						});
				}
			}
		);

		// Handle Claude session ID capture for interactive sessions only
		const unsubscribeSessionId = window.maestro.process.onSessionId(
			async (sessionId: string, agentSessionId: string) => {
				// Ignore batch sessions - they have their own isolated session IDs that should NOT
				// contaminate the interactive session's agentSessionId
				if (isBatchSession(sessionId)) {
					return;
				}

				// Parse sessionId to get actual session ID and tab ID
				// Uses pre-compiled regex patterns from sessionIdParser
				const parsed = parseSessionId(sessionId);
				const actualSessionId = parsed.actualSessionId;
				const tabId = parsed.tabId ?? undefined;

				// Store Claude session ID in session state
				// Note: slash commands are now received via onSlashCommands from Claude Code's init message
				setSessions((prev) => {
					const session = prev.find((s) => s.id === actualSessionId);
					if (!session) return prev;

					// Register this as a user-initiated Maestro session (batch sessions are filtered above)
					// Do NOT pass session name - names should only be set when user explicitly renames
					// Use projectRoot (not cwd) for consistent session storage access
					window.maestro.agentSessions
						.registerSessionOrigin(session.projectRoot, agentSessionId, 'user')
						.catch((err) => console.error('[onSessionId] Failed to register session origin:', err));

					return prev.map((s) => {
						if (s.id !== actualSessionId) return s;

						// Find the target tab - use explicit tab ID from session ID if available
						// This ensures each process's session ID goes to the correct tab
						let targetTab;
						if (tabId) {
							// New format: tab ID is encoded in session ID
							targetTab = s.aiTabs?.find((tab) => tab.id === tabId);
						}

						// Fallback: find awaiting tab or active tab (for legacy format)
						if (!targetTab) {
							const awaitingTab = s.aiTabs?.find(
								(tab) => tab.awaitingSessionId && !tab.agentSessionId
							);
							targetTab = awaitingTab || getActiveTab(s);
						}

						if (!targetTab) {
							// No tabs exist - this is a bug, sessions must have aiTabs
							// Still store at session-level for web API compatibility
							console.error(
								'[onSessionId] No target tab found - session has no aiTabs, storing at session level only'
							);
							return { ...s, agentSessionId };
						}

						// Skip if this tab already has a agentSessionId (prevent overwriting)
						if (targetTab.agentSessionId && targetTab.agentSessionId !== agentSessionId) {
							return s;
						}

						// Update the target tab's agentSessionId and clear awaitingSessionId flag
						// Keep name as null for auto-generated display (derived from agentSessionId)
						const updatedAiTabs = s.aiTabs.map((tab) => {
							if (tab.id !== targetTab.id) return tab;
							// Only preserve existing custom name, don't auto-set to UUID
							const newName = tab.name && tab.name !== 'New Session' ? tab.name : null;
							return {
								...tab,
								agentSessionId,
								awaitingSessionId: false,
								name: newName,
							};
						});

						return { ...s, aiTabs: updatedAiTabs, agentSessionId }; // Also keep session-level for backwards compatibility
					});
				});
			}
		);

		// Handle slash commands from Claude Code init message
		// These are the authoritative source of available commands (built-in + user + plugin)
		const unsubscribeSlashCommands = window.maestro.process.onSlashCommands(
			(sessionId: string, slashCommands: string[]) => {
				// Parse sessionId to get actual session ID (ignore tab ID suffix)
				const actualSessionId = parseSessionId(sessionId).baseSessionId;

				// Convert string array to command objects with descriptions
				// Claude Code returns just command names, we'll need to derive descriptions
				const commands = slashCommands.map((cmd) => ({
					command: cmd.startsWith('/') ? cmd : `/${cmd}`,
					description: getSlashCommandDescription(cmd),
				}));

				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== actualSessionId) return s;
						return { ...s, agentCommands: commands };
					})
				);
			}
		);

		// Handle stderr from processes (BATCHED - separate from stdout)
		// Supports both AI processes (sessionId format: {id}-ai-{tabId}) and terminal commands (plain sessionId)
		const unsubscribeStderr = window.maestro.process.onStderr((sessionId: string, data: string) => {
			// Filter out empty stderr (only whitespace)
			if (!data.trim()) return;

			// Parse sessionId to determine which process this is from
			// Same logic as onData handler
			let actualSessionId: string;
			let tabIdFromSession: string | undefined;
			let isFromAi = false;

			const aiTabMatch = sessionId.match(/^(.+)-ai-(.+)$/);
			if (aiTabMatch) {
				actualSessionId = aiTabMatch[1];
				tabIdFromSession = aiTabMatch[2];
				isFromAi = true;
			} else if (sessionId.includes('-batch-')) {
				// Ignore batch task stderr
				return;
			} else {
				// Plain session ID = runCommand (terminal commands)
				actualSessionId = sessionId;
			}

			if (isFromAi && tabIdFromSession) {
				// AI process stderr - route to the correct tab with stderr flag for red box styling
				batchedUpdater.appendLog(actualSessionId, tabIdFromSession, true, data, true);
			} else {
				// Terminal command stderr - route to shell logs
				batchedUpdater.appendLog(actualSessionId, null, false, data, true);
			}
		});

		// Handle command exit from runCommand
		const unsubscribeCommandExit = window.maestro.process.onCommandExit(
			(sessionId: string, code: number) => {
				// runCommand uses plain session ID (no suffix)
				const actualSessionId = sessionId;

				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== actualSessionId) return s;

						// Check if any AI tabs are still busy
						const anyAiTabBusy = s.aiTabs?.some((tab) => tab.state === 'busy') || false;

						// Determine new state:
						// - If AI tabs are busy, session stays busy with busySource 'ai'
						// - Otherwise, session becomes idle
						const newState = anyAiTabBusy ? ('busy' as SessionState) : ('idle' as SessionState);
						const newBusySource = anyAiTabBusy ? ('ai' as const) : undefined;

						// Only show exit code if non-zero (error)
						if (code !== 0) {
							const exitLog: LogEntry = {
								id: generateId(),
								timestamp: Date.now(),
								source: 'system',
								text: `Command exited with code ${code}`,
							};
							return {
								...s,
								state: newState,
								busySource: newBusySource,
								shellLogs: [...s.shellLogs, exitLog],
							};
						}

						return {
							...s,
							state: newState,
							busySource: newBusySource,
						};
					})
				);
			}
		);

		// Handle usage statistics from AI responses (BATCHED for performance)
		const unsubscribeUsage = window.maestro.process.onUsage((sessionId: string, usageStats) => {
			// Parse sessionId using centralized parser (pre-compiled regex patterns)
			// Handles: -ai-tabId, legacy -ai suffix, -synopsis-timestamp, -batch-timestamp
			const parsed = parseSessionId(sessionId);
			const { actualSessionId, tabId, baseSessionId } = parsed;

			// Estimate context usage percentage using agent-specific calculation.
			// estimateContextUsage returns null when values are accumulated across multiple
			// internal API calls within a complex turn. In that case, we use a conservative
			// growth estimate so the gauge keeps moving, but cap it below the yellow warning
			// threshold so estimates never trigger compact warnings — only real measurements can.
			// Use baseSessionId for lookup to handle synopsis/batch sessions that inherit parent's agent type
			const sessionForUsage = sessionsRef.current.find((s) => s.id === baseSessionId);
			const agentToolType = sessionForUsage?.toolType;
			const contextPercentage = estimateContextUsage(usageStats, agentToolType);

			// Batch the usage stats update, context percentage, and cycle tokens
			// The batched updater handles the accumulation logic internally
			batchedUpdater.updateUsage(actualSessionId, tabId, usageStats);
			batchedUpdater.updateUsage(actualSessionId, null, usageStats); // Session-level accumulation
			if (contextPercentage !== null) {
				// Valid measurement from a non-accumulated turn — use directly
				batchedUpdater.updateContextUsage(actualSessionId, contextPercentage);
			} else {
				// Accumulated values from multi-tool turn. Estimate conservative growth
				// so the gauge doesn't freeze, but cap below the yellow warning threshold
				// to guarantee estimates never trigger compact warnings.
				const currentUsage = sessionForUsage?.contextUsage ?? 0;
				if (currentUsage > 0) {
					const effectiveWindow =
						usageStats.contextWindow > 0
							? usageStats.contextWindow
							: agentToolType && agentToolType in DEFAULT_CONTEXT_WINDOWS
								? DEFAULT_CONTEXT_WINDOWS[agentToolType as keyof typeof DEFAULT_CONTEXT_WINDOWS]
								: 200000;
					const estimated = estimateAccumulatedGrowth(
						currentUsage,
						usageStats.outputTokens,
						usageStats.cacheReadInputTokens || 0,
						effectiveWindow
					);
					// Hard cap below yellow threshold — estimates must never trigger compact warnings
					const yellowThreshold = contextManagementSettings.contextWarningYellowThreshold;
					const maxEstimate = yellowThreshold - 5;
					batchedUpdater.updateContextUsage(actualSessionId, Math.min(estimated, maxEstimate));
				}
			}
			batchedUpdater.updateCycleTokens(actualSessionId, usageStats.outputTokens);

			// Update persistent global stats (not batched - this is a separate concern)
			updateGlobalStatsRef.current({
				totalInputTokens: usageStats.inputTokens,
				totalOutputTokens: usageStats.outputTokens,
				totalCacheReadTokens: usageStats.cacheReadInputTokens,
				totalCacheCreationTokens: usageStats.cacheCreationInputTokens,
				totalCostUsd: usageStats.totalCostUsd,
			});
		});

		// Handle agent errors (auth expired, token exhaustion, rate limits, crashes)
		const unsubscribeAgentError = window.maestro.process.onAgentError(
			(sessionId: string, error) => {
				// Cast error to AgentError type (IPC uses plain object)
				const agentError: AgentError = {
					type: error.type as AgentError['type'],
					message: error.message,
					recoverable: error.recoverable,
					agentId: error.agentId,
					sessionId: error.sessionId,
					timestamp: error.timestamp,
					raw: error.raw,
					parsedJson: error.parsedJson,
				};

				// Check if this is a group chat error (moderator or participant)
				// Uses pre-compiled regex patterns from sessionIdParser
				const groupChatParsed = parseGroupChatSessionId(sessionId);
				if (groupChatParsed.isGroupChat) {
					const groupChatId = groupChatParsed.groupChatId!;
					const isModeratorError = groupChatParsed.isModerator ?? false;
					const participantOrModerator = isModeratorError
						? 'moderator'
						: groupChatParsed.participantName!;

					console.log('[onAgentError] Group chat error received:', {
						rawSessionId: sessionId,
						groupChatId,
						participantName: isModeratorError ? 'Moderator' : participantOrModerator,
						errorType: error.type,
						message: error.message,
						recoverable: error.recoverable,
					});

					// Set the group chat error state - this will show in the group chat UI
					setGroupChatError({
						groupChatId,
						error: agentError,
						participantName: isModeratorError ? 'Moderator' : participantOrModerator,
					});

					// Also add an error message to the group chat messages
					const errorMessage: GroupChatMessage = {
						timestamp: new Date(agentError.timestamp).toISOString(),
						from: 'system',
						content: `⚠️ ${
							isModeratorError ? 'Moderator' : participantOrModerator
						} error: ${agentError.message}`,
					};
					setGroupChatMessages((prev) => [...prev, errorMessage]);

					// Reset group chat state to idle so user can try again
					setGroupChatState('idle');
					setGroupChatStates((prev) => {
						const next = new Map(prev);
						next.set(groupChatId, 'idle');
						return next;
					});
					return;
				}

				// Synopsis processes run in the background - don't show their errors in the main session UI
				// They have their own error handling in the promise rejection
				if (isSynopsisSession(sessionId)) {
					console.log('[onAgentError] Ignoring synopsis process error:', {
						rawSessionId: sessionId,
						errorType: error.type,
						message: error.message,
					});
					return;
				}

				// Parse sessionId to get actual session ID (strip suffixes)
				// Uses pre-compiled regex patterns from sessionIdParser
				const parsed = parseSessionId(sessionId);
				const actualSessionId = parsed.baseSessionId;
				const tabIdFromSession = parsed.tabId ?? undefined;

				console.log('[onAgentError] Agent error received:', {
					rawSessionId: sessionId,
					actualSessionId,
					errorType: error.type,
					message: error.message,
					recoverable: error.recoverable,
				});

				// session_not_found is informational, not a blocking error.
				// Claude Code handles this gracefully by starting a fresh conversation,
				// so we just show an info message without blocking user input or showing a modal.
				const isSessionNotFound = agentError.type === 'session_not_found';

				// Create a log entry - use 'system' source for informational messages, 'error' for actual errors
				const errorLogEntry: LogEntry = {
					id: generateId(),
					timestamp: agentError.timestamp,
					source: isSessionNotFound ? 'system' : 'error',
					text: agentError.message,
					agentError: isSessionNotFound ? undefined : agentError, // Only include for actual errors
				};

				// Update session with error state and add log entry to the originating tab
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== actualSessionId) return s;

						// Prefer explicit tab ID from the sessionId; fall back to active tab
						const targetTab = tabIdFromSession
							? s.aiTabs.find((tab) => tab.id === tabIdFromSession)
							: getActiveTab(s);
						const updatedAiTabs = targetTab
							? s.aiTabs.map((tab) =>
									tab.id === targetTab.id
										? {
												...tab,
												logs: [...tab.logs, errorLogEntry],
												agentError: isSessionNotFound ? undefined : agentError,
											}
										: tab
								)
							: s.aiTabs;

						// For session_not_found, don't block operations or set error state
						if (isSessionNotFound) {
							return {
								...s,
								aiTabs: updatedAiTabs,
							};
						}

						return {
							...s,
							agentError,
							agentErrorTabId: targetTab?.id,
							agentErrorPaused: true, // Block new operations until resolved
							state: 'error' as SessionState,
							aiTabs: updatedAiTabs,
						};
					})
				);

				// Phase 5.10: Check if there's an active batch run for this session and pause it
				// Also add history entry and toast for Auto Run errors
				if (getBatchStateRef.current && pauseBatchOnErrorRef.current) {
					const batchState = getBatchStateRef.current(actualSessionId);
					if (batchState.isRunning && !batchState.errorPaused) {
						console.log('[onAgentError] Pausing active batch run due to error:', actualSessionId);
						const currentDoc = batchState.documents[batchState.currentDocumentIndex];
						pauseBatchOnErrorRef.current(
							actualSessionId,
							agentError,
							batchState.currentDocumentIndex,
							currentDoc ? `Processing ${currentDoc}` : undefined
						);

						// Get session for history entry
						const session = sessionsRef.current.find((s) => s.id === actualSessionId);

						// Add history entry for Auto Run error (similar to stalled document entries)
						if (addHistoryEntryRef.current && session) {
							const errorTitle = getErrorTitleForType(agentError.type);
							const errorExplanation = [
								`**Auto Run Error: ${errorTitle}**`,
								'',
								`Auto Run encountered an error while processing:`,
								currentDoc ? `- Document: ${currentDoc}` : '',
								`- Error: ${agentError.message}`,
								'',
								'**What to do:**',
								agentError.type === 'auth_expired'
									? '- Re-authenticate with the provider (e.g., run `claude login` in terminal)'
									: agentError.type === 'token_exhaustion'
										? '- Start a new session to reset the context window'
										: agentError.type === 'rate_limited'
											? '- Wait a few minutes before retrying'
											: agentError.type === 'network_error'
												? '- Check your internet connection and try again'
												: '- Review the error message and take appropriate action',
								'',
								'After resolving the issue, you can resume, skip, or abort the Auto Run.',
							]
								.filter(Boolean)
								.join('\n');

							addHistoryEntryRef.current({
								type: 'AUTO',
								summary: `Auto Run error: ${errorTitle}${currentDoc ? ` (${currentDoc})` : ''}`,
								fullResponse: errorExplanation,
								projectPath: session.cwd,
								sessionId: actualSessionId,
								success: false,
							});
						}

						// Show toast notification for Auto Run error
						if (addToastRef.current) {
							const errorTitle = getErrorTitleForType(agentError.type);
							addToastRef.current({
								type: 'error',
								title: `Auto Run: ${errorTitle}`,
								message: agentError.message,
								sessionId: actualSessionId,
							});
						}
					}
				}

				// Show the error modal for this session (skip for informational session_not_found)
				if (!isSessionNotFound) {
					setAgentErrorModalSessionId(actualSessionId);
				}
			}
		);

		// Handle thinking/streaming content chunks from AI agents
		// Only appends to logs if the tab has showThinking enabled
		// THROTTLED: Uses requestAnimationFrame to batch rapid chunk arrivals (Phase 6.4)
		const unsubscribeThinkingChunk = window.maestro.process.onThinkingChunk?.(
			(sessionId: string, content: string) => {
				// Parse sessionId to get actual session ID and tab ID (format: {id}-ai-{tabId})
				const aiTabMatch = sessionId.match(/^(.+)-ai-(.+)$/);
				if (!aiTabMatch) return; // Only handle AI tab messages

				const actualSessionId = aiTabMatch[1];
				const tabId = aiTabMatch[2];
				const bufferKey = `${actualSessionId}:${tabId}`;

				// Buffer the chunk - accumulate if there's already content for this session+tab
				const existingContent = thinkingChunkBufferRef.current.get(bufferKey) || '';
				thinkingChunkBufferRef.current.set(bufferKey, existingContent + content);

				// Schedule a single RAF callback to process all buffered chunks
				// This naturally throttles to ~60fps (16.67ms) and batches multiple rapid arrivals
				if (thinkingChunkRafIdRef.current === null) {
					thinkingChunkRafIdRef.current = requestAnimationFrame(() => {
						// Process all buffered chunks in a single setSessions call
						const buffer = thinkingChunkBufferRef.current;
						if (buffer.size === 0) {
							thinkingChunkRafIdRef.current = null;
							return;
						}

						// Take a snapshot and clear the buffer
						const chunksToProcess = new Map(buffer);
						buffer.clear();
						thinkingChunkRafIdRef.current = null;

						setSessions((prev) =>
							prev.map((s) => {
								// Check if any buffered chunks are for this session
								let hasChanges = false;
								for (const [key] of chunksToProcess) {
									if (key.startsWith(s.id + ':')) {
										hasChanges = true;
										break;
									}
								}
								if (!hasChanges) return s;

								// Process each chunk for this session
								let updatedTabs = s.aiTabs;
								for (const [key, bufferedContent] of chunksToProcess) {
									const [chunkSessionId, chunkTabId] = key.split(':');
									if (chunkSessionId !== s.id) continue;

									const targetTab = updatedTabs.find((t) => t.id === chunkTabId);
									if (!targetTab) continue;

									// Only append if thinking is enabled for this tab (on or sticky)
									if (!targetTab.showThinking || targetTab.showThinking === 'off') continue;

									// Skip malformed content that looks like concatenated tool names
									// This can happen if the stream parser receives malformed output
									if (isLikelyConcatenatedToolNames(bufferedContent)) {
										console.warn(
											'[App] Skipping malformed thinking chunk (concatenated tool names):',
											bufferedContent.substring(0, 100)
										);
										continue;
									}

									// Find the last log entry - if it's a thinking entry, append to it
									const lastLog = targetTab.logs[targetTab.logs.length - 1];
									if (lastLog?.source === 'thinking') {
										// Check if appending would create concatenated tool names
										const combinedText = lastLog.text + bufferedContent;
										if (isLikelyConcatenatedToolNames(combinedText)) {
											console.warn(
												'[App] Detected malformed thinking content, replacing instead of appending'
											);
											// Replace with just the new content (likely the start of real text)
											updatedTabs = updatedTabs.map((tab) =>
												tab.id === chunkTabId
													? {
															...tab,
															logs: [
																...tab.logs.slice(0, -1),
																{ ...lastLog, text: bufferedContent },
															],
														}
													: tab
											);
										} else {
											// Normal append to existing thinking block
											updatedTabs = updatedTabs.map((tab) =>
												tab.id === chunkTabId
													? {
															...tab,
															logs: [...tab.logs.slice(0, -1), { ...lastLog, text: combinedText }],
														}
													: tab
											);
										}
									} else {
										// Create new thinking block
										const newLog: LogEntry = {
											id: generateId(),
											timestamp: Date.now(),
											source: 'thinking',
											text: bufferedContent,
										};
										updatedTabs = updatedTabs.map((tab) =>
											tab.id === chunkTabId ? { ...tab, logs: [...tab.logs, newLog] } : tab
										);
									}
								}

								return updatedTabs === s.aiTabs ? s : { ...s, aiTabs: updatedTabs };
							})
						);
					});
				}
			}
		);

		// Handle SSH remote status events - tracks when sessions are executing on remote hosts
		// Also populates session-wide SSH context (sshRemoteId, remoteCwd) for file explorer, git, auto run, etc.
		// IMPORTANT: When SSH connection is established, we also recheck isGitRepo since the initial
		// check may have failed or been done before SSH was ready.
		const unsubscribeSshRemote = window.maestro.process.onSshRemote?.(
			(sessionId: string, sshRemote: { id: string; name: string; host: string } | null) => {
				// Parse sessionId to get actual session ID (format: {id}-ai-{tabId} or {id}-terminal)
				let actualSessionId: string;
				const aiTabMatch = sessionId.match(/^(.+)-ai-(.+)$/);
				if (aiTabMatch) {
					actualSessionId = aiTabMatch[1];
				} else if (sessionId.endsWith('-ai') || sessionId.endsWith('-terminal')) {
					actualSessionId = sessionId.replace(/-ai$|-terminal$/, '');
				} else {
					actualSessionId = sessionId;
				}

				// Update session with SSH remote info
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== actualSessionId) return s;
						// Only update if the value actually changed (avoid unnecessary re-renders)
						const currentRemoteId = s.sshRemote?.id;
						const newRemoteId = sshRemote?.id;
						if (currentRemoteId === newRemoteId) return s;
						return {
							...s,
							sshRemote: sshRemote ?? undefined,
							sshRemoteId: sshRemote?.id,
						};
					})
				);

				// When SSH connection is established, check isGitRepo with the SSH context
				// For SSH sessions, this is the FIRST git check (deferred from session creation)
				// since we can't check until SSH is connected
				if (sshRemote?.id) {
					const session = sessionsRef.current.find((s) => s.id === actualSessionId);
					// Only check if session hasn't been detected as git repo yet
					// (avoids redundant checks if SSH reconnects)
					if (session && !session.isGitRepo) {
						const remoteCwd = session.sessionSshRemoteConfig?.workingDirOverride || session.cwd;
						(async () => {
							try {
								const isGitRepo = await gitService.isRepo(remoteCwd, sshRemote.id);
								if (isGitRepo) {
									// Fetch git branches and tags now that we know it's a git repo
									const [gitBranches, gitTags] = await Promise.all([
										gitService.getBranches(remoteCwd, sshRemote.id),
										gitService.getTags(remoteCwd, sshRemote.id),
									]);
									const gitRefsCacheTime = Date.now();

									setSessions((prev) =>
										prev.map((s) => {
											if (s.id !== actualSessionId) return s;
											// Only update if still not detected as git repo
											if (s.isGitRepo) return s;
											return {
												...s,
												isGitRepo: true,
												gitBranches,
												gitTags,
												gitRefsCacheTime,
											};
										})
									);
								}
							} catch (err) {
								console.error(`[SSH] Failed to check git repo status for ${actualSessionId}:`, err);
							}
						})();
					}
				}
			}
		);

		// Handle tool execution events from AI agents
		// Only appends to logs if the tab has showThinking enabled (tools shown alongside thinking)
		const unsubscribeToolExecution = window.maestro.process.onToolExecution?.(
			(sessionId: string, toolEvent: { toolName: string; state?: unknown; timestamp: number }) => {
				// Parse sessionId to get actual session ID and tab ID (format: {id}-ai-{tabId})
				const aiTabMatch = sessionId.match(/^(.+)-ai-(.+)$/);
				if (!aiTabMatch) return; // Only handle AI tab messages

				const actualSessionId = aiTabMatch[1];
				const tabId = aiTabMatch[2];

				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== actualSessionId) return s;

						const targetTab = s.aiTabs.find((t) => t.id === tabId);
						// Only show if thinking enabled (on or sticky)
						if (!targetTab?.showThinking || targetTab.showThinking === 'off') return s;

						const toolLog: LogEntry = {
							id: `tool-${Date.now()}-${toolEvent.toolName}`,
							timestamp: toolEvent.timestamp,
							source: 'tool',
							text: toolEvent.toolName,
							metadata: {
								toolState: toolEvent.state as NonNullable<LogEntry['metadata']>['toolState'],
							},
						};

						return {
							...s,
							aiTabs: s.aiTabs.map((tab) =>
								tab.id === tabId ? { ...tab, logs: [...tab.logs, toolLog] } : tab
							),
						};
					})
				);
			}
		);

		// Cleanup listeners on unmount
		return () => {
			unsubscribeData();
			unsubscribeExit();
			unsubscribeSessionId();
			unsubscribeSlashCommands();
			unsubscribeStderr();
			unsubscribeCommandExit();
			unsubscribeUsage();
			unsubscribeAgentError();
			unsubscribeThinkingChunk?.();
			unsubscribeSshRemote?.();
			unsubscribeToolExecution?.();
			// Cancel any pending thinking chunk RAF and clear buffer (Phase 6.4)
			if (thinkingChunkRafIdRef.current !== null) {
				cancelAnimationFrame(thinkingChunkRafIdRef.current);
				thinkingChunkRafIdRef.current = null;
			}
			thinkingChunkBuffer.clear();
		};
	}, []);

	// --- GROUP CHAT EVENT LISTENERS ---
	// Listen for real-time updates to group chat messages and state
	useEffect(() => {
		const unsubMessage = window.maestro.groupChat.onMessage((id, message) => {
			if (id === activeGroupChatId) {
				setGroupChatMessages((prev) => [...prev, message]);
			}
		});

		const unsubState = window.maestro.groupChat.onStateChange((id, state) => {
			// Track state for ALL group chats (for sidebar indicator when not active)
			setGroupChatStates((prev) => {
				const next = new Map(prev);
				next.set(id, state);
				return next;
			});
			// Also update the active group chat's state for immediate UI
			if (id === activeGroupChatId) {
				setGroupChatState(state);
			}
		});

		const unsubParticipants = window.maestro.groupChat.onParticipantsChanged((id, participants) => {
			// Update the group chat's participants list
			setGroupChats((prev) =>
				prev.map((chat) => (chat.id === id ? { ...chat, participants } : chat))
			);
		});

		const unsubModeratorUsage = window.maestro.groupChat.onModeratorUsage?.((id, usage) => {
			if (id === activeGroupChatId) {
				setModeratorUsage(usage);
			}
		});

		console.log(
			`[GroupChat:UI] Setting up onParticipantState listener, activeGroupChatId=${activeGroupChatId}`
		);
		const unsubParticipantState = window.maestro.groupChat.onParticipantState?.(
			(id, participantName, state) => {
				console.log(
					`[GroupChat:UI] Received participant state: chatId=${id}, participant=${participantName}, state=${state}, activeGroupChatId=${activeGroupChatId}`
				);
				// Track participant state for ALL group chats (for sidebar indicator)
				setAllGroupChatParticipantStates((prev) => {
					const next = new Map(prev);
					const chatStates = next.get(id) || new Map();
					const updatedChatStates = new Map(chatStates);
					updatedChatStates.set(participantName, state);
					next.set(id, updatedChatStates);
					console.log(
						`[GroupChat:UI] Updated allGroupChatParticipantStates for ${id}: ${JSON.stringify([
							...updatedChatStates.entries(),
						])}`
					);
					return next;
				});
				// Also update the active group chat's participant states for immediate UI
				if (id === activeGroupChatId) {
					console.log(
						`[GroupChat:UI] Updating participantStates for active chat: ${participantName}=${state}`
					);
					setParticipantStates((prev) => {
						const next = new Map(prev);
						next.set(participantName, state);
						console.log(
							`[GroupChat:UI] New participantStates: ${JSON.stringify([...next.entries()])}`
						);
						return next;
					});
				} else {
					console.log(
						`[GroupChat:UI] Skipping participantStates update - not active chat (${id} vs ${activeGroupChatId})`
					);
				}
			}
		);

		const unsubModeratorSessionId = window.maestro.groupChat.onModeratorSessionIdChanged?.(
			(id, agentSessionId) => {
				// Update the group chat's moderator agent session ID (the Claude Code session UUID)
				setGroupChats((prev) =>
					prev.map((chat) =>
						chat.id === id ? { ...chat, moderatorAgentSessionId: agentSessionId } : chat
					)
				);
			}
		);

		return () => {
			unsubMessage();
			unsubState();
			unsubParticipants();
			unsubModeratorUsage?.();
			unsubParticipantState?.();
			unsubModeratorSessionId?.();
		};
	}, [activeGroupChatId]);

	// Process group chat execution queue when state becomes idle
	useEffect(() => {
		if (groupChatState === 'idle' && groupChatExecutionQueue.length > 0 && activeGroupChatId) {
			// Take the first item from the queue
			const [nextItem, ...remainingQueue] = groupChatExecutionQueue;
			setGroupChatExecutionQueue(remainingQueue);

			// Send the queued message - update both active state and per-chat state
			setGroupChatState('moderator-thinking');
			setGroupChatStates((prev) => {
				const next = new Map(prev);
				next.set(activeGroupChatId, 'moderator-thinking');
				return next;
			});
			window.maestro.groupChat.sendToModerator(
				activeGroupChatId,
				nextItem.text || '',
				nextItem.images,
				nextItem.readOnlyMode
			);
		}
	}, [groupChatState, groupChatExecutionQueue, activeGroupChatId]);

	// Refs (groupChatInputRef and groupChatMessagesRef are now in GroupChatContext)
	const logsEndRef = useRef<HTMLDivElement>(null);
	const inputRef = useRef<HTMLTextAreaElement>(null);
	const terminalOutputRef = useRef<HTMLDivElement>(null);
	const sidebarContainerRef = useRef<HTMLDivElement>(null);
	const fileTreeContainerRef = useRef<HTMLDivElement>(null);
	const fileTreeFilterInputRef = useRef<HTMLInputElement>(null);
	const fileTreeKeyboardNavRef = useRef(false); // Track if selection change came from keyboard
	const rightPanelRef = useRef<RightPanelHandle>(null);
	const mainPanelRef = useRef<MainPanelHandle>(null);

	// Refs for toast notifications (to access latest values in event handlers)
	// Note: sessionsRef, groupsRef, activeSessionIdRef are now provided by SessionContext
	const addToastRef = useRef(addToast);
	const updateGlobalStatsRef = useRef(updateGlobalStats);
	const customAICommandsRef = useRef(customAICommands);
	const speckitCommandsRef = useRef(speckitCommands);
	const openspecCommandsRef = useRef(openspecCommands);
	const fileTabAutoRefreshEnabledRef = useRef(fileTabAutoRefreshEnabled);
	addToastRef.current = addToast;
	updateGlobalStatsRef.current = updateGlobalStats;
	customAICommandsRef.current = customAICommands;
	speckitCommandsRef.current = speckitCommands;
	openspecCommandsRef.current = openspecCommands;
	fileTabAutoRefreshEnabledRef.current = fileTabAutoRefreshEnabled;

	// Note: spawnBackgroundSynopsisRef and spawnAgentWithPromptRef are now provided by useAgentExecution hook
	// Note: addHistoryEntryRef is now provided by useAgentSessionManagement hook
	// Ref for processQueuedMessage - allows batch exit handler to process queued messages
	const processQueuedItemRef = useRef<
		((sessionId: string, item: QueuedItem) => Promise<void>) | null
	>(null);

	// Ref for handling remote commands from web interface
	// This allows web commands to go through the exact same code path as desktop commands
	const _pendingRemoteCommandRef = useRef<{
		sessionId: string;
		command: string;
	} | null>(null);

	// Refs for batch processor error handling (Phase 5.10)
	// These are populated after useBatchProcessor is called and used in the agent error handler
	const pauseBatchOnErrorRef = useRef<
		| ((
				sessionId: string,
				error: AgentError,
				documentIndex: number,
				taskDescription?: string
		  ) => void)
		| null
	>(null);
	const getBatchStateRef = useRef<((sessionId: string) => BatchRunState) | null>(null);

	// Refs for throttled thinking chunk updates (Phase 6.4)
	// Buffer chunks per session+tab and use requestAnimationFrame to batch UI updates
	const thinkingChunkBufferRef = useRef<Map<string, string>>(new Map()); // Key: "sessionId:tabId", Value: accumulated content
	const thinkingChunkRafIdRef = useRef<number | null>(null);

	// Expose addToast to window for debugging/testing
	useEffect(() => {
		(window as any).__maestroDebug = {
			addToast: (
				type: 'success' | 'info' | 'warning' | 'error',
				title: string,
				message: string
			) => {
				addToastRef.current({ type, title, message });
			},
			testToast: () => {
				addToastRef.current({
					type: 'success',
					title: 'Test Notification',
					message: 'This is a test toast notification from the console!',
					group: 'Debug',
					project: 'Test Project',
				});
			},
		};
		return () => {
			delete (window as any).__maestroDebug;
		};
	}, []);

	// Keyboard navigation state
	const { selectedSidebarIndex, setSelectedSidebarIndex } = useUILayout();
	// Note: activeSession is now provided by SessionContext
	// Note: activeTab is memoized later at line ~3795 - use that for all tab operations

	// Discover slash commands when a session becomes active and doesn't have them yet
	// Fetches custom Claude commands from .claude/commands/ directories (fast, file system read)
	// Also spawns Claude briefly to get built-in commands from init message (slower)
	useEffect(() => {
		if (!activeSession) return;
		if (activeSession.toolType !== 'claude-code') return;
		// Skip if we already have commands
		if (activeSession.agentCommands && activeSession.agentCommands.length > 0) return;

		// Capture session ID to prevent race conditions when switching sessions
		const sessionId = activeSession.id;
		const projectRoot = activeSession.projectRoot;
		let cancelled = false;

		// Helper to merge commands without duplicates
		const mergeCommands = (
			existing: { command: string; description: string }[],
			newCmds: { command: string; description: string }[]
		) => {
			const merged = [...existing];
			for (const cmd of newCmds) {
				if (!merged.some((c) => c.command === cmd.command)) {
					merged.push(cmd);
				}
			}
			return merged;
		};

		// Fetch custom Claude commands immediately (fast - just reads files)
		const fetchCustomCommands = async () => {
			try {
				const customClaudeCommands = await window.maestro.claude.getCommands(projectRoot);
				if (cancelled) return;

				// Custom Claude commands already have command and description from the handler
				const customCommandObjects = (customClaudeCommands || []).map((cmd) => ({
					command: cmd.command,
					description: cmd.description,
				}));

				if (customCommandObjects.length > 0) {
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== sessionId) return s;
							const existingCommands = s.agentCommands || [];
							return {
								...s,
								agentCommands: mergeCommands(existingCommands, customCommandObjects),
							};
						})
					);
				}
			} catch (error) {
				if (!cancelled) {
					console.error('[SlashCommandDiscovery] Failed to fetch custom commands:', error);
				}
			}
		};

		// Discover built-in agent slash commands in background (slower - spawns Claude)
		const discoverAgentCommands = async () => {
			try {
				const agentSlashCommands = await window.maestro.agents.discoverSlashCommands(
					activeSession.toolType,
					activeSession.cwd,
					activeSession.customPath
				);
				if (cancelled) return;

				// Convert agent slash commands to command objects
				const agentCommandObjects = (agentSlashCommands || []).map((cmd) => ({
					command: cmd.startsWith('/') ? cmd : `/${cmd}`,
					description: getSlashCommandDescription(cmd),
				}));

				if (agentCommandObjects.length > 0) {
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== sessionId) return s;
							const existingCommands = s.agentCommands || [];
							return {
								...s,
								agentCommands: mergeCommands(existingCommands, agentCommandObjects),
							};
						})
					);
				}
			} catch (error) {
				if (!cancelled) {
					console.error('[SlashCommandDiscovery] Failed to discover agent commands:', error);
				}
			}
		};

		// Start both in parallel but don't wait for each other
		fetchCustomCommands();
		discoverAgentCommands();

		return () => {
			cancelled = true;
		};
	}, [
		activeSession?.id,
		activeSession?.toolType,
		activeSession?.cwd,
		activeSession?.customPath,
		activeSession?.agentCommands,
		activeSession?.projectRoot,
	]);

	// Per-tab navigation history for the active file tab
	const activeFileTabHistory = useMemo(() => {
		if (!activeSession?.activeFileTabId) return [];
		const tab = activeSession.filePreviewTabs.find((t) => t.id === activeSession.activeFileTabId);
		return tab?.navigationHistory ?? [];
	}, [activeSession?.activeFileTabId, activeSession?.filePreviewTabs]);

	const activeFileTabNavIndex = useMemo(() => {
		if (!activeSession?.activeFileTabId) return -1;
		const tab = activeSession.filePreviewTabs.find((t) => t.id === activeSession.activeFileTabId);
		return tab?.navigationIndex ?? (tab?.navigationHistory?.length ?? 0) - 1;
	}, [activeSession?.activeFileTabId, activeSession?.filePreviewTabs]);

	// Per-tab back/forward history arrays
	const fileTabBackHistory = useMemo(
		() => activeFileTabHistory.slice(0, activeFileTabNavIndex),
		[activeFileTabHistory, activeFileTabNavIndex]
	);
	const fileTabForwardHistory = useMemo(
		() => activeFileTabHistory.slice(activeFileTabNavIndex + 1),
		[activeFileTabHistory, activeFileTabNavIndex]
	);

	// Can navigate back/forward in the current file tab
	const fileTabCanGoBack = activeFileTabNavIndex > 0;
	const fileTabCanGoForward = activeFileTabNavIndex < activeFileTabHistory.length - 1;

	/**
	 * Open a file preview tab. If a tab with the same path already exists, select it.
	 * Otherwise, create a new FilePreviewTab, add it to filePreviewTabs and unifiedTabOrder,
	 * and set it as the active file tab (deselecting any active AI tab).
	 *
	 * For SSH remote files, pass sshRemoteId so content can be re-fetched if needed.
	 */
	const handleOpenFileTab = useCallback(
		(
			file: {
				path: string;
				name: string;
				content: string;
				sshRemoteId?: string;
				lastModified?: number;
			},
			options?: {
				/** If true, create new tab adjacent to current file tab. If false, replace current file tab content. Default: true (create new tab) */
				openInNewTab?: boolean;
			}
		) => {
			const openInNewTab = options?.openInNewTab ?? true; // Default to opening in new tab for backward compatibility

			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSessionIdRef.current) return s;

					// Check if a tab with this path already exists
					const existingTab = s.filePreviewTabs.find((tab) => tab.path === file.path);
					if (existingTab) {
						// Tab exists - update content and lastModified if provided (e.g., after re-fetch) and select it
						const updatedTabs = s.filePreviewTabs.map((tab) =>
							tab.id === existingTab.id
								? {
										...tab,
										content: file.content,
										lastModified: file.lastModified ?? tab.lastModified,
										isLoading: false,
									}
								: tab
						);
						return {
							...s,
							filePreviewTabs: updatedTabs,
							activeFileTabId: existingTab.id,
							activeTabId: s.activeTabId, // Keep AI tab reference but it's not visually active
						};
					}

					// If not opening in new tab and there's an active file tab, replace its content
					if (!openInNewTab && s.activeFileTabId) {
						const currentTabId = s.activeFileTabId;
						const currentTab = s.filePreviewTabs.find((tab) => tab.id === currentTabId);
						const extension = file.name.includes('.') ? '.' + file.name.split('.').pop() : '';
						const nameWithoutExtension = extension
							? file.name.slice(0, -extension.length)
							: file.name;

						// Replace current tab's content with new file and update navigation history
						const updatedTabs = s.filePreviewTabs.map((tab) => {
							if (tab.id !== currentTabId) return tab;

							// Build updated navigation history
							const currentHistory = tab.navigationHistory ?? [];
							const currentIndex = tab.navigationIndex ?? currentHistory.length - 1;

							// Save current file to history before replacing (if we have content)
							// Truncate forward history if we're not at the end
							const truncatedHistory =
								currentIndex >= 0 && currentIndex < currentHistory.length - 1
									? currentHistory.slice(0, currentIndex + 1)
									: currentHistory;

							// Add current file to history if it exists and isn't already the last entry
							let newHistory = truncatedHistory;
							if (
								currentTab &&
								currentTab.path &&
								(truncatedHistory.length === 0 ||
									truncatedHistory[truncatedHistory.length - 1].path !== currentTab.path)
							) {
								newHistory = [
									...truncatedHistory,
									{
										path: currentTab.path,
										name: currentTab.name,
										scrollTop: currentTab.scrollTop,
									},
								];
							}

							// Add the new file to history
							const finalHistory = [
								...newHistory,
								{
									path: file.path,
									name: nameWithoutExtension,
									scrollTop: 0,
								},
							];

							return {
								...tab,
								path: file.path,
								name: nameWithoutExtension,
								extension,
								content: file.content,
								scrollTop: 0, // Reset scroll for new file
								searchQuery: '', // Clear search
								editMode: false,
								editContent: undefined,
								lastModified: file.lastModified ?? Date.now(),
								sshRemoteId: file.sshRemoteId,
								isLoading: false,
								navigationHistory: finalHistory,
								navigationIndex: finalHistory.length - 1, // Point to current (new) file
							};
						});
						return {
							...s,
							filePreviewTabs: updatedTabs,
							// activeFileTabId stays the same since we're replacing in-place
						};
					}

					// Create a new file preview tab
					const newTabId = generateId();
					const extension = file.name.includes('.') ? '.' + file.name.split('.').pop() : '';
					const nameWithoutExtension = extension
						? file.name.slice(0, -extension.length)
						: file.name;

					const newFileTab: FilePreviewTab = {
						id: newTabId,
						path: file.path,
						name: nameWithoutExtension,
						extension,
						content: file.content,
						scrollTop: 0,
						searchQuery: '',
						editMode: false,
						editContent: undefined,
						createdAt: Date.now(),
						lastModified: file.lastModified ?? Date.now(), // Use file mtime or current time as fallback
						sshRemoteId: file.sshRemoteId,
						isLoading: false, // Content is already loaded when this is called
						// Initialize navigation history with the first file
						navigationHistory: [{ path: file.path, name: nameWithoutExtension, scrollTop: 0 }],
						navigationIndex: 0,
					};

					// Create the unified tab reference
					const newTabRef: UnifiedTabRef = { type: 'file', id: newTabId };

					// If opening in new tab and there's an active file tab, insert adjacent to it
					let updatedUnifiedTabOrder: UnifiedTabRef[];
					if (openInNewTab && s.activeFileTabId) {
						const currentIndex = s.unifiedTabOrder.findIndex(
							(ref) => ref.type === 'file' && ref.id === s.activeFileTabId
						);
						if (currentIndex !== -1) {
							// Insert right after the current file tab
							updatedUnifiedTabOrder = [
								...s.unifiedTabOrder.slice(0, currentIndex + 1),
								newTabRef,
								...s.unifiedTabOrder.slice(currentIndex + 1),
							];
						} else {
							// Fallback: append at end
							updatedUnifiedTabOrder = [...s.unifiedTabOrder, newTabRef];
						}
					} else {
						// No active file tab or not specified - append at end
						updatedUnifiedTabOrder = [...s.unifiedTabOrder, newTabRef];
					}

					return {
						...s,
						filePreviewTabs: [...s.filePreviewTabs, newFileTab],
						unifiedTabOrder: updatedUnifiedTabOrder,
						activeFileTabId: newTabId,
						// Deselect AI tab when file tab becomes active
						// Note: activeTabId stays as is - it tracks the last active AI tab for when user switches back
					};
				})
			);
		},
		[]
	);

	// --- APP HANDLERS (drag, file, folder operations) ---
	const {
		handleImageDragEnter,
		handleImageDragLeave,
		handleImageDragOver,
		isDraggingImage,
		setIsDraggingImage,
		dragCounterRef,
		handleFileClick,
		updateSessionWorkingDirectory,
		toggleFolder,
		expandAllFolders,
		collapseAllFolders,
	} = useAppHandlers({
		activeSession,
		activeSessionId,
		setSessions,
		setActiveFocus,
		setFilePreviewLoading,
		setConfirmModalMessage,
		setConfirmModalOnConfirm,
		setConfirmModalOpen,
		onOpenFileTab: handleOpenFileTab,
	});

	// Use custom colors when custom theme is selected, otherwise use the standard theme
	const theme = useMemo(() => {
		if (activeThemeId === 'custom') {
			return {
				...THEMES.custom,
				colors: customThemeColors,
			};
		}
		return THEMES[activeThemeId];
	}, [activeThemeId, customThemeColors]);

	// Ref for theme (for use in memoized callbacks that need current theme without re-creating)
	const themeRef = useRef(theme);
	themeRef.current = theme;

	// Memoized cwd for git viewers (prevents re-renders from inline computation)
	const gitViewerCwd = useMemo(
		() =>
			activeSession
				? activeSession.inputMode === 'terminal'
					? activeSession.shellCwd || activeSession.cwd
					: activeSession.cwd
				: '',

		[activeSession?.inputMode, activeSession?.shellCwd, activeSession?.cwd]
	);

	// PERF: Memoize sessions for NewInstanceModal validation (only recompute when modal is open)
	// This prevents re-renders of the modal's validation logic on every session state change
	const sessionsForValidation = useMemo(
		() => (newInstanceModalOpen ? sessions : []),
		[newInstanceModalOpen, sessions]
	);

	// PERF: Memoize hasNoAgents check for SettingsModal (only depends on session count)
	const hasNoAgents = useMemo(() => sessions.length === 0, [sessions.length]);

	// Get the session with the active error (for AgentErrorModal)
	const errorSession = useMemo(
		() =>
			agentErrorModalSessionId ? sessions.find((s) => s.id === agentErrorModalSessionId) : null,
		[agentErrorModalSessionId, sessions]
	);

	// Handler to close the agent error modal without clearing the error
	const handleCloseAgentErrorModal = useCallback(() => {
		setAgentErrorModalSessionId(null);
	}, []);

	// Handler to clear agent error and resume operations
	const handleClearAgentError = useCallback((sessionId: string, tabId?: string) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== sessionId) return s;
				const targetTabId = tabId ?? s.agentErrorTabId;
				const updatedAiTabs = targetTabId
					? s.aiTabs.map((tab) =>
							tab.id === targetTabId ? { ...tab, agentError: undefined } : tab
						)
					: s.aiTabs;
				return {
					...s,
					agentError: undefined,
					agentErrorTabId: undefined,
					agentErrorPaused: false,
					state: 'idle' as SessionState,
					aiTabs: updatedAiTabs,
				};
			})
		);
		setAgentErrorModalSessionId(null);
		// Notify main process to clear error state
		window.maestro.agentError.clearError(sessionId).catch((err) => {
			console.error('Failed to clear agent error:', err);
		});
	}, []);

	// Handler to start a new session (recovery action)
	const handleStartNewSessionAfterError = useCallback(
		(sessionId: string) => {
			const session = sessions.find((s) => s.id === sessionId);
			if (!session) return;

			// Clear the error state
			handleClearAgentError(sessionId);

			// Create a new tab in the session to start fresh
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== sessionId) return s;
					const result = createTab(s, {
						saveToHistory: defaultSaveToHistory,
						showThinking: defaultShowThinking,
					});
					if (!result) return s;
					return result.session;
				})
			);

			// Focus the input after creating new tab
			setTimeout(() => inputRef.current?.focus(), 0);
		},
		[sessions, handleClearAgentError, defaultSaveToHistory, defaultShowThinking]
	);

	// Handler to retry after error (recovery action)
	const handleRetryAfterError = useCallback(
		(sessionId: string) => {
			// Clear the error state and let user retry manually
			handleClearAgentError(sessionId);

			// Focus the input for retry
			setTimeout(() => inputRef.current?.focus(), 0);
		},
		[handleClearAgentError]
	);

	// Handler to restart the agent (recovery action for crashes)
	const handleRestartAgentAfterError = useCallback(
		async (sessionId: string) => {
			const session = sessions.find((s) => s.id === sessionId);
			if (!session) return;

			// Clear the error state
			handleClearAgentError(sessionId);

			// Kill any existing processes and respawn
			try {
				await window.maestro.process.kill(`${sessionId}-ai`);
			} catch {
				// Process may not exist
			}

			// The agent will be respawned when user sends next message
			// Focus the input
			setTimeout(() => inputRef.current?.focus(), 0);
		},
		[sessions, handleClearAgentError]
	);

	const handleAuthenticateAfterError = useCallback(
		(sessionId: string) => {
			const session = sessions.find((s) => s.id === sessionId);
			if (!session) return;

			handleClearAgentError(sessionId);
			setActiveSessionId(sessionId);
			setSessions((prev) =>
				prev.map((s) => (s.id === sessionId ? { ...s, inputMode: 'terminal' } : s))
			);

			setTimeout(() => inputRef.current?.focus(), 0);
		},
		[sessions, handleClearAgentError, setActiveSessionId, setSessions]
	);

	// Use the agent error recovery hook to get recovery actions
	const { recoveryActions } = useAgentErrorRecovery({
		error: errorSession?.agentError,
		agentId: errorSession?.toolType || 'claude-code',
		sessionId: errorSession?.id || '',
		onNewSession: errorSession ? () => handleStartNewSessionAfterError(errorSession.id) : undefined,
		onRetry: errorSession ? () => handleRetryAfterError(errorSession.id) : undefined,
		onClearError: errorSession ? () => handleClearAgentError(errorSession.id) : undefined,
		onRestartAgent: errorSession ? () => handleRestartAgentAfterError(errorSession.id) : undefined,
		onAuthenticate: errorSession ? () => handleAuthenticateAfterError(errorSession.id) : undefined,
	});

	// Handler to clear group chat error (now uses context's clearGroupChatError)
	const handleClearGroupChatError = handleClearGroupChatErrorBase;

	// Use the agent error recovery hook for group chat errors
	const { recoveryActions: groupChatRecoveryActions } = useAgentErrorRecovery({
		error: groupChatError?.error,
		agentId: 'claude-code', // Group chat moderator is always claude-code for now
		sessionId: groupChatError?.groupChatId || '',
		onRetry: handleClearGroupChatError,
		onClearError: handleClearGroupChatError,
	});

	// Tab completion hook for terminal mode
	const { getSuggestions: getTabCompletionSuggestions } = useTabCompletion(activeSession);

	// @ mention completion hook for AI mode
	const { getSuggestions: getAtMentionSuggestions } = useAtMentionCompletion(activeSession);

	// Remote integration hook - handles web interface communication
	useRemoteIntegration({
		activeSessionId,
		isLiveMode,
		sessionsRef,
		activeSessionIdRef,
		setSessions,
		setActiveSessionId,
		defaultSaveToHistory,
		defaultShowThinking,
	});

	// Web broadcasting hook - handles external history change notifications
	useWebBroadcasting({
		rightPanelRef,
	});

	// CLI activity monitoring hook - tracks CLI playbook runs and updates session states
	useCliActivityMonitoring({
		setSessions,
	});

	// Quit confirmation handler - shows modal when trying to quit with busy agents
	useEffect(() => {
		// Guard against window.maestro not being defined yet (production timing)
		if (!window.maestro?.app?.onQuitConfirmationRequest) {
			return;
		}
		const unsubscribe = window.maestro.app.onQuitConfirmationRequest(() => {
			// Get all busy AI sessions (agents that are actively thinking)
			const busyAgents = sessions.filter(
				(s) => s.state === 'busy' && s.busySource === 'ai' && s.toolType !== 'terminal'
			);

			if (busyAgents.length === 0) {
				// No busy agents, confirm quit immediately
				window.maestro.app.confirmQuit();
			} else {
				// Show quit confirmation modal
				setQuitConfirmModalOpen(true);
			}
		});

		return unsubscribe;
	}, [sessions]);

	// Theme styles hook - manages CSS variables and scrollbar fade animations
	useThemeStyles({
		themeColors: theme.colors,
	});

	// Get capabilities for the active session's agent type
	const { hasCapability: hasActiveSessionCapability } = useAgentCapabilities(
		activeSession?.toolType
	);

	// Merge session hook for context merge operations (non-blocking, per-tab)
	const {
		mergeState,
		progress: mergeProgress,
		error: _mergeError,
		startTime: mergeStartTime,
		sourceName: mergeSourceName,
		targetName: mergeTargetName,
		executeMerge,
		cancelTab: cancelMergeTab,
		cancelMerge: _cancelMerge,
		clearTabState: clearMergeTabState,
		reset: resetMerge,
	} = useMergeSessionWithSessions({
		sessions,
		setSessions,
		activeTabId: activeSession?.activeTabId,
		onSessionCreated: (info) => {
			// Navigate to the newly created merged session
			setActiveSessionId(info.sessionId);
			setMergeSessionModalOpen(false);

			// Build informative message with token info
			const tokenInfo = info.estimatedTokens
				? ` (~${info.estimatedTokens.toLocaleString()} tokens)`
				: '';
			const savedInfo =
				info.tokensSaved && info.tokensSaved > 0
					? ` Saved ~${info.tokensSaved.toLocaleString()} tokens.`
					: '';
			const sourceInfo =
				info.sourceSessionName && info.targetSessionName
					? `"${info.sourceSessionName}" + "${info.targetSessionName}"`
					: info.sessionName;

			// Show toast notification in the UI
			addToast({
				type: 'success',
				title: 'Session Merged',
				message: `Created "${info.sessionName}" from ${sourceInfo}${tokenInfo}.${savedInfo}`,
				sessionId: info.sessionId,
			});

			// Show desktop notification for visibility when app is not focused
			window.maestro.notification.show(
				'Session Merged',
				`Created "${info.sessionName}" with merged context`
			);

			// Clear the merge state for the source tab after a short delay
			if (activeSession?.activeTabId) {
				setTimeout(() => {
					clearMergeTabState(activeSession.activeTabId);
				}, 1000);
			}
		},
		onMergeComplete: (sourceTabId, result) => {
			// For merge into existing tab, navigate to target and show toast
			if (activeSession && result.success && result.targetSessionId) {
				const tokenInfo = result.estimatedTokens
					? ` (~${result.estimatedTokens.toLocaleString()} tokens)`
					: '';
				const savedInfo =
					result.tokensSaved && result.tokensSaved > 0
						? ` Saved ~${result.tokensSaved.toLocaleString()} tokens.`
						: '';

				// Navigate to the target session/tab so autoSendOnActivate will trigger
				// This ensures the merged context is immediately sent to the agent
				setActiveSessionId(result.targetSessionId);
				if (result.targetTabId) {
					const targetTabId = result.targetTabId; // Extract to satisfy TypeScript narrowing
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== result.targetSessionId) return s;
							return { ...s, activeTabId: targetTabId };
						})
					);
				}

				addToast({
					type: 'success',
					title: 'Context Merged',
					message: `"${result.sourceSessionName || 'Current Session'}" → "${
						result.targetSessionName || 'Selected Session'
					}"${tokenInfo}.${savedInfo}`,
				});

				// Clear the merge state for the source tab
				setTimeout(() => {
					clearMergeTabState(sourceTabId);
				}, 1000);
			}
		},
	});

	// Send to Agent hook for cross-agent context transfer operations
	// Track the source/target agents for the transfer progress modal
	const [transferSourceAgent, setTransferSourceAgent] = useState<ToolType | null>(null);
	const [transferTargetAgent, setTransferTargetAgent] = useState<ToolType | null>(null);
	const {
		transferState,
		progress: transferProgress,
		error: _transferError,
		executeTransfer: _executeTransfer,
		cancelTransfer,
		reset: resetTransfer,
	} = useSendToAgentWithSessions({
		sessions,
		setSessions,
		onSessionCreated: (sessionId, sessionName) => {
			// Navigate to the newly created transferred session
			setActiveSessionId(sessionId);
			setSendToAgentModalOpen(false);

			// Show toast notification in the UI
			addToast({
				type: 'success',
				title: 'Context Transferred',
				message: `Created "${sessionName}" with transferred context`,
			});

			// Show desktop notification for visibility when app is not focused
			window.maestro.notification.show(
				'Context Transferred',
				`Created "${sessionName}" with transferred context`
			);

			// Reset the transfer state after a short delay to allow progress modal to show "Complete"
			setTimeout(() => {
				resetTransfer();
				setTransferSourceAgent(null);
				setTransferTargetAgent(null);
			}, 1500);
		},
	});

	// --- STABLE HANDLERS FOR APP AGENT MODALS ---

	// LeaderboardRegistrationModal handlers
	const handleCloseLeaderboardRegistration = useCallback(() => {
		setLeaderboardRegistrationOpen(false);
	}, []);

	const handleSaveLeaderboardRegistration = useCallback((registration: LeaderboardRegistration) => {
		setLeaderboardRegistration(registration);
	}, []);

	const handleLeaderboardOptOut = useCallback(() => {
		setLeaderboardRegistration(null);
	}, []);

	// Sync autorun stats from server (for new device installations)
	const handleSyncAutoRunStats = useCallback(
		(stats: {
			cumulativeTimeMs: number;
			totalRuns: number;
			currentBadgeLevel: number;
			longestRunMs: number;
			longestRunTimestamp: number;
		}) => {
			setAutoRunStats({
				...autoRunStats,
				cumulativeTimeMs: stats.cumulativeTimeMs,
				totalRuns: stats.totalRuns,
				currentBadgeLevel: stats.currentBadgeLevel,
				longestRunMs: stats.longestRunMs,
				longestRunTimestamp: stats.longestRunTimestamp,
				// Also update badge tracking to match synced level
				lastBadgeUnlockLevel: stats.currentBadgeLevel,
				lastAcknowledgedBadgeLevel: stats.currentBadgeLevel,
			});
		},
		[autoRunStats, setAutoRunStats]
	);

	// MergeSessionModal handlers
	const handleCloseMergeSession = useCallback(() => {
		setMergeSessionModalOpen(false);
		resetMerge();
	}, [resetMerge]);

	const handleMerge = useCallback(
		async (targetSessionId: string, targetTabId: string | undefined, options: MergeOptions) => {
			// Close the modal - merge will show in the input area overlay
			setMergeSessionModalOpen(false);

			// Execute merge using the hook (callbacks handle toasts and navigation)
			const result = await executeMerge(
				activeSession!,
				activeSession!.activeTabId,
				targetSessionId,
				targetTabId,
				options
			);

			if (!result.success) {
				addToast({
					type: 'error',
					title: 'Merge Failed',
					message: result.error || 'Failed to merge contexts',
				});
			}
			// Note: Success toasts are handled by onSessionCreated (for new sessions)
			// and onMergeComplete (for merging into existing sessions) callbacks

			return result;
		},
		[activeSession, executeMerge, addToast]
	);

	// TransferProgressModal handlers
	const handleCancelTransfer = useCallback(() => {
		cancelTransfer();
		setTransferSourceAgent(null);
		setTransferTargetAgent(null);
	}, [cancelTransfer]);

	const handleCompleteTransfer = useCallback(() => {
		resetTransfer();
		setTransferSourceAgent(null);
		setTransferTargetAgent(null);
	}, [resetTransfer]);

	// SendToAgentModal handlers
	const handleCloseSendToAgent = useCallback(() => {
		setSendToAgentModalOpen(false);
	}, []);

	const handleSendToAgent = useCallback(
		async (targetSessionId: string, options: SendToAgentOptions) => {
			// Find the target session
			const targetSession = sessions.find((s) => s.id === targetSessionId);
			if (!targetSession) {
				return { success: false, error: 'Target session not found' };
			}

			// Store source and target agents for progress modal display
			setTransferSourceAgent(activeSession!.toolType);
			setTransferTargetAgent(targetSession.toolType);

			// Close the selection modal - progress modal will take over
			setSendToAgentModalOpen(false);

			// Get source tab context
			const sourceTab = activeSession!.aiTabs.find((t) => t.id === activeSession!.activeTabId);
			if (!sourceTab) {
				return { success: false, error: 'Source tab not found' };
			}

			// Format the context as text to be sent to the agent
			// Only include user messages and AI responses, not system messages
			const formattedContext = sourceTab.logs
				.filter(
					(log) =>
						log.text &&
						log.text.trim() &&
						(log.source === 'user' || log.source === 'ai' || log.source === 'stdout')
				)
				.map((log) => {
					const role = log.source === 'user' ? 'User' : 'Assistant';
					return `${role}: ${log.text}`;
				})
				.join('\n\n');

			const sourceName =
				activeSession!.name || activeSession!.projectRoot.split('/').pop() || 'Unknown';
			const sourceAgentName = activeSession!.toolType;

			// Create the context message to be sent directly to the agent
			const contextMessage = formattedContext
				? `# Context from Previous Session

The following is a conversation from another session ("${sourceName}" using ${sourceAgentName}). Review this context to understand the prior work and decisions made.

---

${formattedContext}

---

# Your Task

You are taking over this conversation. Based on the context above, provide a brief summary of where things left off and ask what the user would like to focus on next.`
				: 'No context available from the previous session.';

			// Transfer context to the target session's active tab
			// Create a new tab in the target session and immediately send context to agent
			const newTabId = `tab-${Date.now()}`;
			const transferNotice: LogEntry = {
				id: `transfer-notice-${Date.now()}`,
				timestamp: Date.now(),
				source: 'system',
				text: `Context transferred from "${sourceName}" (${sourceAgentName})${
					options.groomContext ? ' - cleaned to reduce size' : ''
				}`,
			};

			// Create user message entry for the context being sent
			const userContextMessage: LogEntry = {
				id: `user-context-${Date.now()}`,
				timestamp: Date.now(),
				source: 'user',
				text: contextMessage,
			};

			const newTab: AITab = {
				id: newTabId,
				name: `From: ${sourceName}`,
				logs: [transferNotice, userContextMessage],
				agentSessionId: null,
				starred: false,
				inputValue: '',
				stagedImages: [],
				createdAt: Date.now(),
				state: 'busy', // Start in busy state since we're spawning immediately
				thinkingStartTime: Date.now(),
				awaitingSessionId: true, // Mark as awaiting session ID
			};

			// Add the new tab to the target session and set it as active
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id === targetSessionId) {
						return {
							...s,
							state: 'busy',
							busySource: 'ai',
							thinkingStartTime: Date.now(),
							aiTabs: [...s.aiTabs, newTab],
							activeTabId: newTabId,
						};
					}
					return s;
				})
			);

			// Navigate to the target session
			setActiveSessionId(targetSessionId);

			// Calculate estimated tokens for the toast
			const estimatedTokens = sourceTab.logs
				.filter((log) => log.text && log.source !== 'system')
				.reduce((sum, log) => sum + Math.round((log.text?.length || 0) / 4), 0);
			const tokenInfo = estimatedTokens > 0 ? ` (~${estimatedTokens.toLocaleString()} tokens)` : '';

			// Show success toast
			addToast({
				type: 'success',
				title: 'Context Sent',
				message: `"${sourceName}" → "${targetSession.name}"${tokenInfo}`,
				sessionId: targetSessionId,
				tabId: newTabId,
			});

			// Reset transfer state
			resetTransfer();
			setTransferSourceAgent(null);
			setTransferTargetAgent(null);

			// Spawn the agent with the context - do this after state updates
			(async () => {
				try {
					// Get agent configuration
					const agent = await window.maestro.agents.get(targetSession.toolType);
					if (!agent) throw new Error(`${targetSession.toolType} agent not found`);

					const baseArgs = agent.args ?? [];
					const commandToUse = agent.path || agent.command;

					// Build the full prompt with Maestro system prompt for new sessions
					let effectivePrompt = contextMessage;

					// Get git branch for template substitution
					let gitBranch: string | undefined;
					if (targetSession.isGitRepo) {
						try {
							const status = await gitService.getStatus(targetSession.cwd);
							gitBranch = status.branch;
						} catch {
							// Ignore git errors
						}
					}

					// Prepend Maestro system prompt since this is a new session
					if (maestroSystemPrompt) {
						const substitutedSystemPrompt = substituteTemplateVariables(maestroSystemPrompt, {
							session: targetSession,
							gitBranch,
							conductorProfile,
						});
						effectivePrompt = `${substitutedSystemPrompt}\n\n---\n\n# User Request\n\n${effectivePrompt}`;
					}

					// Spawn agent
					const spawnSessionId = `${targetSessionId}-ai-${newTabId}`;
					await window.maestro.process.spawn({
						sessionId: spawnSessionId,
						toolType: targetSession.toolType,
						cwd: targetSession.cwd,
						command: commandToUse,
						args: [...baseArgs],
						prompt: effectivePrompt,
						// Per-session config overrides (if set)
						sessionCustomPath: targetSession.customPath,
						sessionCustomArgs: targetSession.customArgs,
						sessionCustomEnvVars: targetSession.customEnvVars,
						sessionCustomModel: targetSession.customModel,
						sessionCustomContextWindow: targetSession.customContextWindow,
						sessionSshRemoteConfig: targetSession.sessionSshRemoteConfig,
					});
				} catch (error) {
					console.error('Failed to spawn agent for context transfer:', error);
					const errorLog: LogEntry = {
						id: `error-${Date.now()}`,
						timestamp: Date.now(),
						source: 'system',
						text: `Error: Failed to spawn agent - ${(error as Error).message}`,
					};
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== targetSessionId) return s;
							return {
								...s,
								state: 'idle',
								busySource: undefined,
								thinkingStartTime: undefined,
								aiTabs: s.aiTabs.map((tab) =>
									tab.id === newTabId
										? {
												...tab,
												state: 'idle' as const,
												thinkingStartTime: undefined,
												logs: [...tab.logs, errorLog],
											}
										: tab
								),
							};
						})
					);
				}
			})();

			return { success: true, newSessionId: targetSessionId, newTabId };
		},
		[activeSession, sessions, setSessions, setActiveSessionId, addToast, resetTransfer]
	);

	// Summarize & Continue hook for context compaction (non-blocking, per-tab)
	const {
		summarizeState,
		progress: summarizeProgress,
		result: summarizeResult,
		error: _summarizeError,
		startTime,
		startSummarize,
		cancelTab,
		clearTabState,
		canSummarize,
		minContextUsagePercent,
	} = useSummarizeAndContinue(activeSession ?? null);

	// Handler for starting summarization (non-blocking - UI remains interactive)
	const handleSummarizeAndContinue = useCallback(
		(tabId?: string) => {
			if (!activeSession || activeSession.inputMode !== 'ai') return;

			const targetTabId = tabId || activeSession.activeTabId;
			const targetTab = activeSession.aiTabs.find((t) => t.id === targetTabId);

			if (!targetTab || !canSummarize(activeSession.contextUsage, targetTab.logs)) {
				addToast({
					type: 'warning',
					title: 'Cannot Compact',
					message: `Context too small. Need at least ${minContextUsagePercent}% usage, ~2k tokens, or 8+ messages to compact.`,
				});
				return;
			}

			// Store session info for toast navigation
			const sourceSessionId = activeSession.id;
			const sourceSessionName = activeSession.name;

			startSummarize(targetTabId).then((result) => {
				if (result) {
					// Update session with the new tab
					setSessions((prev) =>
						prev.map((s) => (s.id === sourceSessionId ? result.updatedSession : s))
					);

					// Add system log entry to the SOURCE tab's history
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== sourceSessionId) return s;
							return {
								...s,
								aiTabs: s.aiTabs.map((tab) =>
									tab.id === targetTabId
										? { ...tab, logs: [...tab.logs, result.systemLogEntry] }
										: tab
								),
							};
						})
					);

					// Show success notification with click-to-navigate
					const reductionPercent = result.systemLogEntry.text.match(/(\d+)%/)?.[1] ?? '0';
					addToast({
						type: 'success',
						title: 'Context Compacted',
						message: `Reduced context by ${reductionPercent}%. Click to view the new tab.`,
						sessionId: sourceSessionId,
						tabId: result.newTabId,
						project: sourceSessionName,
					});

					// Clear the summarization state for this tab
					clearTabState(targetTabId);
				}
			});
		},
		[
			activeSession,
			canSummarize,
			minContextUsagePercent,
			startSummarize,
			setSessions,
			addToast,
			clearTabState,
		]
	);

	// Combine custom AI commands with spec-kit and openspec commands for input processing (slash command execution)
	// This ensures speckit and openspec commands are processed the same way as custom commands
	const allCustomCommands = useMemo((): CustomAICommand[] => {
		// Convert speckit commands to CustomAICommand format
		const speckitAsCustom: CustomAICommand[] = speckitCommands.map((cmd) => ({
			id: `speckit-${cmd.id}`,
			command: cmd.command,
			description: cmd.description,
			prompt: cmd.prompt,
			isBuiltIn: true, // Speckit commands are built-in (bundled)
		}));
		// Convert openspec commands to CustomAICommand format
		const openspecAsCustom: CustomAICommand[] = openspecCommands.map((cmd) => ({
			id: `openspec-${cmd.id}`,
			command: cmd.command,
			description: cmd.description,
			prompt: cmd.prompt,
			isBuiltIn: true, // OpenSpec commands are built-in (bundled)
		}));
		return [...customAICommands, ...speckitAsCustom, ...openspecAsCustom];
	}, [customAICommands, speckitCommands, openspecCommands]);

	// Combine built-in slash commands with custom AI commands, spec-kit commands, openspec commands, AND agent-specific commands for autocomplete
	const allSlashCommands = useMemo(() => {
		const customCommandsAsSlash = customAICommands.map((cmd) => ({
			command: cmd.command,
			description: cmd.description,
			aiOnly: true, // Custom AI commands are only available in AI mode
			prompt: cmd.prompt, // Include prompt for execution
		}));
		// Spec Kit commands (bundled from github/spec-kit)
		const speckitCommandsAsSlash = speckitCommands.map((cmd) => ({
			command: cmd.command,
			description: cmd.description,
			aiOnly: true, // Spec-kit commands are only available in AI mode
			prompt: cmd.prompt, // Include prompt for execution
			isSpeckit: true, // Mark as spec-kit command for special handling
		}));
		// OpenSpec commands (bundled from Fission-AI/OpenSpec)
		const openspecCommandsAsSlash = openspecCommands.map((cmd) => ({
			command: cmd.command,
			description: cmd.description,
			aiOnly: true, // OpenSpec commands are only available in AI mode
			prompt: cmd.prompt, // Include prompt for execution
			isOpenspec: true, // Mark as openspec command for special handling
		}));
		// Only include agent-specific commands if the agent supports slash commands
		// This allows built-in and custom commands to be shown for all agents (Codex, OpenCode, etc.)
		const agentCommands = hasActiveSessionCapability('supportsSlashCommands')
			? (activeSession?.agentCommands || []).map((cmd) => ({
					command: cmd.command,
					description: cmd.description,
					aiOnly: true, // Agent commands are only available in AI mode
				}))
			: [];
		// Filter built-in slash commands by agent type (if specified)
		const currentAgentType = activeSession?.toolType;
		const filteredSlashCommands = slashCommands.filter(
			(cmd) => !cmd.agentTypes || (currentAgentType && cmd.agentTypes.includes(currentAgentType))
		);
		return [
			...filteredSlashCommands,
			...customCommandsAsSlash,
			...speckitCommandsAsSlash,
			...openspecCommandsAsSlash,
			...agentCommands,
		];
	}, [
		customAICommands,
		speckitCommands,
		openspecCommands,
		activeSession?.agentCommands,
		activeSession?.toolType,
		hasActiveSessionCapability,
	]);

	// Derive current input value and setter based on active session mode
	// For AI mode: use active tab's inputValue (stored per-tab)
	// For terminal mode: use local state (shared across tabs)
	const isAiMode = activeSession?.inputMode === 'ai';
	// PERF: Memoize activeTab lookup to avoid O(n) .find() on every keystroke
	// This is THE canonical activeTab for the component - use this instead of calling getActiveTab()
	const activeTab = useMemo(
		() => (activeSession ? getActiveTab(activeSession) : undefined),
		[activeSession?.aiTabs, activeSession?.activeTabId]
	);

	// UNIFIED TAB SYSTEM: Combine aiTabs and filePreviewTabs according to unifiedTabOrder
	// This produces a single list for rendering tabs in the correct order (AI and file tabs interspersed)
	// The type discriminator allows components to render the appropriate content for each tab type
	type UnifiedTab =
		| { type: 'ai'; id: string; data: AITab }
		| { type: 'file'; id: string; data: FilePreviewTab };

	const unifiedTabs = useMemo((): UnifiedTab[] => {
		if (!activeSession) return [];

		const { aiTabs, filePreviewTabs, unifiedTabOrder } = activeSession;
		const aiTabMap = new Map(aiTabs.map((tab) => [tab.id, tab]));
		const fileTabMap = new Map(filePreviewTabs.map((tab) => [tab.id, tab]));

		return unifiedTabOrder
			.map((ref): UnifiedTab | null => {
				if (ref.type === 'ai') {
					const tab = aiTabMap.get(ref.id);
					return tab ? { type: 'ai', id: ref.id, data: tab } : null;
				} else {
					const tab = fileTabMap.get(ref.id);
					return tab ? { type: 'file', id: ref.id, data: tab } : null;
				}
			})
			.filter((tab): tab is UnifiedTab => tab !== null);
	}, [activeSession?.aiTabs, activeSession?.filePreviewTabs, activeSession?.unifiedTabOrder]);

	// Get the active file preview tab (if a file tab is active)
	const activeFileTab = useMemo((): FilePreviewTab | null => {
		if (!activeSession?.activeFileTabId) return null;
		return (
			activeSession.filePreviewTabs.find((tab) => tab.id === activeSession.activeFileTabId) ?? null
		);
	}, [activeSession?.activeFileTabId, activeSession?.filePreviewTabs]);

	const isResumingSession = !!activeTab?.agentSessionId;
	const canAttachImages = useMemo(() => {
		if (!activeSession || activeSession.inputMode !== 'ai') return false;
		return isResumingSession
			? hasActiveSessionCapability('supportsImageInputOnResume')
			: hasActiveSessionCapability('supportsImageInput');
	}, [activeSession, isResumingSession, hasActiveSessionCapability]);
	const blockCodexResumeImages =
		!!activeSession &&
		activeSession.toolType === 'codex' &&
		isResumingSession &&
		!hasActiveSessionCapability('supportsImageInputOnResume');

	// Track previous active tab to detect tab switches
	const prevActiveTabIdRef = useRef<string | undefined>(activeTab?.id);

	// Track previous active session to detect session switches (for terminal draft persistence)
	const prevActiveSessionIdRef = useRef<string | undefined>(activeSession?.id);

	// Sync local AI input with tab's persisted value when switching tabs
	// Also clear the hasUnread indicator when a tab becomes active
	useEffect(() => {
		if (activeTab && activeTab.id !== prevActiveTabIdRef.current) {
			const prevTabId = prevActiveTabIdRef.current;

			// Save the current AI input to the PREVIOUS tab before loading new tab's input
			// This ensures we don't lose draft input when clicking directly on another tab
			// Also ensures clearing the input (empty string) is persisted when switching away
			if (prevTabId) {
				setSessions((prev) =>
					prev.map((s) => ({
						...s,
						aiTabs: s.aiTabs.map((tab) =>
							tab.id === prevTabId ? { ...tab, inputValue: aiInputValueLocal } : tab
						),
					}))
				);
			}

			// Tab changed - load the new tab's persisted input value
			setAiInputValueLocal(activeTab.inputValue ?? '');
			prevActiveTabIdRef.current = activeTab.id;

			// Clear hasUnread indicator on the newly active tab
			// This is the central place that handles all tab switches regardless of how they happen
			// (click, keyboard shortcut, programmatic, etc.)
			if (activeTab.hasUnread && activeSession) {
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== activeSession.id) return s;
						return {
							...s,
							aiTabs: s.aiTabs.map((t) => (t.id === activeTab.id ? { ...t, hasUnread: false } : t)),
						};
					})
				);
			}
		}
		// Note: We intentionally only depend on activeTab?.id, NOT activeTab?.inputValue
		// The inputValue changes when we blur (syncAiInputToSession), but we don't want
		// to read it back into local state - that would cause a feedback loop.
		// We only need to load inputValue when switching TO a different tab.
	}, [activeTab?.id]);

	// Input sync handlers (extracted to useInputSync hook)
	const { syncAiInputToSession, syncTerminalInputToSession } = useInputSync(activeSession, {
		setSessions,
	});

	// Session navigation handlers (extracted to useSessionNavigation hook)
	const { handleNavBack, handleNavForward } = useSessionNavigation(sessions, {
		navigateBack,
		navigateForward,
		setActiveSessionId: setActiveSessionIdInternal,
		setSessions,
		cyclePositionRef,
	});

	// Sync terminal input when switching sessions
	// Save current terminal input to old session, load from new session
	useEffect(() => {
		if (activeSession && activeSession.id !== prevActiveSessionIdRef.current) {
			const prevSessionId = prevActiveSessionIdRef.current;

			// Save terminal input to the previous session (if there was one and we have input)
			if (prevSessionId && terminalInputValue) {
				setSessions((prev) =>
					prev.map((s) =>
						s.id === prevSessionId ? { ...s, terminalDraftInput: terminalInputValue } : s
					)
				);
			}

			// Load terminal input from the new session
			setTerminalInputValue(activeSession.terminalDraftInput ?? '');

			// Update ref to current session
			prevActiveSessionIdRef.current = activeSession.id;
		}
	}, [activeSession?.id]);

	// Use local state for responsive typing - no session state update on every keystroke
	const inputValue = isAiMode ? aiInputValueLocal : terminalInputValue;

	// PERF: useDeferredValue allows React to defer re-renders of expensive components
	// that consume the input value for filtering/preview purposes. InputArea uses inputValue
	// directly for responsive typing, while non-critical consumers like slash command filtering
	// and prompt composer can use the deferred value to avoid blocking keystrokes.
	const deferredInputValue = useDeferredValue(inputValue);

	// PERF: Memoize setInputValue to maintain stable reference - prevents child re-renders
	// when this callback is passed as a prop. The conditional selection based on isAiMode
	// was creating new function references on every render.
	const setInputValue = useCallback(
		(value: string | ((prev: string) => string)) => {
			if (activeSession?.inputMode === 'ai') {
				setAiInputValueLocal(value);
			} else {
				setTerminalInputValue(value);
			}
		},
		[activeSession?.inputMode]
	);

	// PERF: Memoize thinkingSessions at App level to avoid passing full sessions array to children.
	// This prevents InputArea from re-rendering on unrelated session updates (e.g., terminal output).
	// The computation is O(n) but only runs when sessions array changes, not on every keystroke.
	const thinkingSessions = useMemo(
		() => sessions.filter((s) => s.state === 'busy' && s.busySource === 'ai'),
		[sessions]
	);

	// Images are stored per-tab and only used in AI mode
	// Get staged images from the active tab
	// PERF: Use memoized activeTab instead of calling getActiveTab again
	const stagedImages = useMemo(() => {
		if (!activeSession || activeSession.inputMode !== 'ai') return [];
		return activeTab?.stagedImages || [];
	}, [activeTab?.stagedImages, activeSession?.inputMode]);

	// Set staged images on the active tab
	const setStagedImages = useCallback(
		(imagesOrUpdater: string[] | ((prev: string[]) => string[])) => {
			if (!activeSession) return;
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) => {
							if (tab.id !== s.activeTabId) return tab;
							const currentImages = tab.stagedImages || [];
							const newImages =
								typeof imagesOrUpdater === 'function'
									? imagesOrUpdater(currentImages)
									: imagesOrUpdater;
							return { ...tab, stagedImages: newImages };
						}),
					};
				})
			);
		},
		[activeSession]
	);

	// Helper to add a log entry to a specific tab's logs (or active tab if no tabId provided)
	// Used for slash commands, system messages, queued items, etc.
	// This centralizes the logic for routing logs to the correct tab
	const addLogToTab = useCallback(
		(
			sessionId: string,
			logEntry: Omit<LogEntry, 'id' | 'timestamp'> & {
				id?: string;
				timestamp?: number;
			},
			tabId?: string // Optional: if not provided, uses active tab
		) => {
			const entry: LogEntry = {
				id: logEntry.id || generateId(),
				timestamp: logEntry.timestamp || Date.now(),
				source: logEntry.source,
				text: logEntry.text,
				...(logEntry.images && { images: logEntry.images }),
				...(logEntry.delivered !== undefined && {
					delivered: logEntry.delivered,
				}),
				...('aiCommand' in logEntry && logEntry.aiCommand && { aiCommand: logEntry.aiCommand }),
			};

			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== sessionId) return s;

					// Use specified tab or fall back to active tab
					const targetTab = tabId ? s.aiTabs.find((tab) => tab.id === tabId) : getActiveTab(s);

					if (!targetTab) {
						// No tabs exist - this is a bug, sessions must have aiTabs
						console.error(
							'[addLogToTab] No target tab found - session has no aiTabs, this should not happen'
						);
						return s;
					}

					// Update target tab's logs
					const updatedAiTabs = s.aiTabs.map((tab) =>
						tab.id === targetTab.id ? { ...tab, logs: [...tab.logs, entry] } : tab
					);

					return { ...s, aiTabs: updatedAiTabs };
				})
			);
		},
		[]
	);

	// Convenience wrapper that always uses active tab (backward compatibility)
	const addLogToActiveTab = useCallback(
		(
			sessionId: string,
			logEntry: Omit<LogEntry, 'id' | 'timestamp'> & {
				id?: string;
				timestamp?: number;
			}
		) => {
			addLogToTab(sessionId, logEntry);
		},
		[addLogToTab]
	);

	// PERF: Extract only the properties we need to avoid re-memoizing on every session change
	// Note: activeSessionId already exists as state; we just need inputMode
	const activeSessionInputMode = activeSession?.inputMode;

	// Tab completion suggestions (must be after inputValue is defined)
	// PERF: Only debounce when menu is open to avoid unnecessary state updates during normal typing
	const debouncedInputForTabCompletion = useDebouncedValue(tabCompletionOpen ? inputValue : '', 50);
	const tabCompletionSuggestions = useMemo(() => {
		if (!tabCompletionOpen || !activeSessionId || activeSessionInputMode !== 'terminal') {
			return [];
		}
		return getTabCompletionSuggestions(debouncedInputForTabCompletion, tabCompletionFilter);
	}, [
		tabCompletionOpen,
		activeSessionId,
		activeSessionInputMode,
		debouncedInputForTabCompletion,
		tabCompletionFilter,
		getTabCompletionSuggestions,
	]);

	// @ mention suggestions for AI mode
	// PERF: Only debounce when menu is open to avoid unnecessary state updates during normal typing
	// When menu is closed, pass empty string to skip debounce hook overhead entirely
	const debouncedAtMentionFilter = useDebouncedValue(atMentionOpen ? atMentionFilter : '', 100);
	const atMentionSuggestions = useMemo(() => {
		if (!atMentionOpen || !activeSessionId || activeSessionInputMode !== 'ai') {
			return [];
		}
		return getAtMentionSuggestions(debouncedAtMentionFilter);
	}, [
		atMentionOpen,
		activeSessionId,
		activeSessionInputMode,
		debouncedAtMentionFilter,
		getAtMentionSuggestions,
	]);

	// Sync file tree selection to match tab completion suggestion
	// This highlights the corresponding file/folder in the right panel when navigating tab completion
	const syncFileTreeToTabCompletion = useCallback(
		(suggestion: TabCompletionSuggestion | undefined) => {
			if (!suggestion || suggestion.type === 'history' || flatFileList.length === 0) return;

			// Strip trailing slash from folder paths to match flatFileList format
			const targetPath = suggestion.value.replace(/\/$/, '');

			// Also handle paths with command prefix (e.g., "cd src/" -> "src")
			const pathOnly = targetPath.split(/\s+/).pop() || targetPath;

			const matchIndex = flatFileList.findIndex((item) => item.fullPath === pathOnly);

			if (matchIndex >= 0) {
				fileTreeKeyboardNavRef.current = true; // Scroll to matched file
				setSelectedFileIndex(matchIndex);
				// Ensure Files tab is visible to show the highlight
				if (activeRightTab !== 'files') {
					setActiveRightTab('files');
				}
			}
		},
		[flatFileList, activeRightTab]
	);

	// --- AGENT EXECUTION ---
	// Extracted hook for agent spawning and execution operations
	const {
		spawnAgentForSession,
		spawnAgentWithPrompt: _spawnAgentWithPrompt,
		spawnBackgroundSynopsis,
		spawnBackgroundSynopsisRef,
		spawnAgentWithPromptRef: _spawnAgentWithPromptRef,
		showFlashNotification: _showFlashNotification,
		showSuccessFlash,
		cancelPendingSynopsis,
	} = useAgentExecution({
		activeSession,
		sessionsRef,
		setSessions,
		processQueuedItemRef,
		setFlashNotification,
		setSuccessFlashNotification,
	});

	// --- AGENT SESSION MANAGEMENT ---
	// Extracted hook for agent-specific session operations (history, session clear, resume)
	const { addHistoryEntry, addHistoryEntryRef, handleJumpToAgentSession, handleResumeSession } =
		useAgentSessionManagement({
			activeSession,
			setSessions,
			setActiveAgentSessionId,
			setAgentSessionsOpen,
			rightPanelRef,
			defaultSaveToHistory,
			defaultShowThinking,
		});

	// PERFORMANCE: Memoized callback for creating new agent sessions
	// Extracted from inline function to prevent MainPanel re-renders
	const handleNewAgentSession = useCallback(() => {
		// Create a fresh AI tab using functional setState to avoid stale closure
		setSessions((prev) => {
			const currentSession = prev.find((s) => s.id === activeSessionIdRef.current);
			if (!currentSession) return prev;
			return prev.map((s) => {
				if (s.id !== currentSession.id) return s;
				const result = createTab(s, {
					saveToHistory: defaultSaveToHistory,
					showThinking: defaultShowThinking,
				});
				if (!result) return s;
				return result.session;
			});
		});
		setActiveAgentSessionId(null);
		setAgentSessionsOpen(false);
	}, [defaultSaveToHistory, defaultShowThinking]);

	// PERFORMANCE: Memoized tab management callbacks
	// Extracted from inline functions to prevent MainPanel re-renders
	const handleTabSelect = useCallback((tabId: string) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				const result = setActiveTab(s, tabId);
				return result ? result.session : s;
			})
		);
	}, []);

	/**
	 * Force close a file preview tab without confirmation.
	 * Removes it from filePreviewTabs and unifiedTabOrder.
	 * If this was the active file tab, selects the next tab in unifiedTabOrder (could be AI or file).
	 * Updates activeTabId or activeFileTabId accordingly.
	 */
	const forceCloseFileTab = useCallback((tabId: string) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;

				// Use helper function to close file tab and add to unified history
				const result = closeFileTabHelper(s, tabId);
				if (!result) return s;

				return result.session;
			})
		);
	}, []);

	/**
	 * Close a file preview tab with unsaved changes check.
	 * If the tab has unsaved changes (editContent !== undefined), show a confirmation modal.
	 * Otherwise, close the tab immediately.
	 */
	const handleCloseFileTab = useCallback(
		(tabId: string) => {
			// Find the tab to check for unsaved changes
			const activeSession = sessions.find((s) => s.id === activeSessionIdRef.current);
			if (!activeSession) {
				forceCloseFileTab(tabId);
				return;
			}

			const tabToClose = activeSession.filePreviewTabs.find((tab) => tab.id === tabId);
			if (!tabToClose) {
				forceCloseFileTab(tabId);
				return;
			}

			// Check if tab has unsaved changes (editContent is set when different from saved content)
			if (tabToClose.editContent !== undefined) {
				// Show confirmation modal
				setConfirmModalMessage(
					`"${tabToClose.name}${tabToClose.extension}" has unsaved changes. Are you sure you want to close it?`
				);
				setConfirmModalOnConfirm(() => () => {
					forceCloseFileTab(tabId);
				});
				setConfirmModalOpen(true);
			} else {
				// No unsaved changes, close immediately
				forceCloseFileTab(tabId);
			}
		},
		[
			sessions,
			forceCloseFileTab,
			setConfirmModalMessage,
			setConfirmModalOnConfirm,
			setConfirmModalOpen,
		]
	);

	/**
	 * Update a file tab's editMode state.
	 * Called when user toggles between edit and preview mode in FilePreview.
	 */
	const handleFileTabEditModeChange = useCallback((tabId: string, editMode: boolean) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;

				const updatedFileTabs = s.filePreviewTabs.map((tab) => {
					if (tab.id !== tabId) return tab;
					return { ...tab, editMode };
				});

				return { ...s, filePreviewTabs: updatedFileTabs };
			})
		);
	}, []);

	/**
	 * Update a file tab's editContent state.
	 * Called when user edits content in FilePreview.
	 * Pass undefined to indicate no pending changes (content matches saved file).
	 * Optionally pass savedContent to update the tab's base content after a save.
	 */
	const handleFileTabEditContentChange = useCallback(
		(tabId: string, editContent: string | undefined, savedContent?: string) => {
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSessionIdRef.current) return s;

					const updatedFileTabs = s.filePreviewTabs.map((tab) => {
						if (tab.id !== tabId) return tab;
						// If savedContent is provided, update the base content as well
						if (savedContent !== undefined) {
							return { ...tab, editContent, content: savedContent };
						}
						return { ...tab, editContent };
					});

					return { ...s, filePreviewTabs: updatedFileTabs };
				})
			);
		},
		[]
	);

	/**
	 * Update a file tab's scroll position.
	 * Called when user scrolls within FilePreview (throttled at 200ms).
	 * Also syncs the scroll position to the current entry in navigationHistory
	 * so that tab close/restore preserves correct breadcrumb positions.
	 */
	const handleFileTabScrollPositionChange = useCallback((tabId: string, scrollTop: number) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;

				const updatedFileTabs = s.filePreviewTabs.map((tab) => {
					if (tab.id !== tabId) return tab;

					// Also update the scroll position in navigationHistory for the current entry
					// This ensures close/restore preserves the correct scroll position in breadcrumbs
					let updatedHistory = tab.navigationHistory;
					if (updatedHistory && updatedHistory.length > 0) {
						const currentIndex = tab.navigationIndex ?? updatedHistory.length - 1;
						if (currentIndex >= 0 && currentIndex < updatedHistory.length) {
							updatedHistory = updatedHistory.map((entry, idx) =>
								idx === currentIndex ? { ...entry, scrollTop } : entry
							);
						}
					}

					return { ...tab, scrollTop, navigationHistory: updatedHistory };
				});

				return { ...s, filePreviewTabs: updatedFileTabs };
			})
		);
	}, []);

	/**
	 * Update a file tab's search query state.
	 * Called when user types in the search box within FilePreview.
	 */
	const handleFileTabSearchQueryChange = useCallback((tabId: string, searchQuery: string) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;

				const updatedFileTabs = s.filePreviewTabs.map((tab) => {
					if (tab.id !== tabId) return tab;
					return { ...tab, searchQuery };
				});

				return { ...s, filePreviewTabs: updatedFileTabs };
			})
		);
	}, []);

	/**
	 * Select a file preview tab. This sets the file tab as active.
	 * activeTabId is preserved to track the last active AI tab for when the user switches back.
	 * If fileTabAutoRefreshEnabled setting is true, checks if file has changed on disk and refreshes content.
	 */
	const handleSelectFileTab = useCallback(async (tabId: string) => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession) return;

		// Verify the file tab exists
		const fileTab = currentSession.filePreviewTabs.find((tab) => tab.id === tabId);
		if (!fileTab) return;

		// Set the tab as active immediately
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				return {
					...s,
					activeFileTabId: tabId,
					// activeTabId stays as is - it tracks the last active AI tab for when user switches back
				};
			})
		);

		// If auto-refresh is enabled and tab has pending edits, skip refresh to avoid losing changes
		if (fileTabAutoRefreshEnabledRef.current && !fileTab.editContent) {
			try {
				// Get the current file stat to check if it has changed
				const stat = await window.maestro.fs.stat(fileTab.path, fileTab.sshRemoteId);
				if (!stat || !stat.modifiedAt) return;

				const currentMtime = new Date(stat.modifiedAt).getTime();

				// If file has been modified since we last loaded it, refresh content
				if (currentMtime > fileTab.lastModified) {
					const content = await window.maestro.fs.readFile(fileTab.path, fileTab.sshRemoteId);
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== activeSessionIdRef.current) return s;
							return {
								...s,
								filePreviewTabs: s.filePreviewTabs.map((tab) =>
									tab.id === tabId ? { ...tab, content, lastModified: currentMtime } : tab
								),
							};
						})
					);
				}
			} catch (error) {
				// Silently ignore refresh errors - the tab still shows previous content
				console.debug('[handleSelectFileTab] Auto-refresh failed:', error);
			}
		}
	}, []);

	/**
	 * Reorder tabs in the unified tab order. This allows moving both AI and file tabs
	 * relative to each other. The fromIndex and toIndex refer to positions in unifiedTabOrder.
	 * This replaces/supplements handleTabReorder for the unified tab system.
	 */
	const handleUnifiedTabReorder = useCallback((fromIndex: number, toIndex: number) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;

				// Validate indices
				if (
					fromIndex < 0 ||
					fromIndex >= s.unifiedTabOrder.length ||
					toIndex < 0 ||
					toIndex >= s.unifiedTabOrder.length ||
					fromIndex === toIndex
				) {
					return s;
				}

				// Reorder the unifiedTabOrder array
				const newOrder = [...s.unifiedTabOrder];
				const [movedRef] = newOrder.splice(fromIndex, 1);
				newOrder.splice(toIndex, 0, movedRef);

				return { ...s, unifiedTabOrder: newOrder };
			})
		);
	}, []);

	/**
	 * Internal tab close handler that performs the actual close.
	 * Wizard tabs are closed without being added to history (they can't be restored).
	 */
	const performTabClose = useCallback((tabId: string) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				// Check if this is a wizard tab - wizard tabs should not be added to close history
				const tab = s.aiTabs.find((t) => t.id === tabId);
				const isWizardTab = tab && hasActiveWizard(tab);
				// Find the unified index before closing
				const unifiedIndex = s.unifiedTabOrder.findIndex(
					(ref) => ref.type === 'ai' && ref.id === tabId
				);
				// Note: showUnreadOnly is accessed via ref pattern if needed, or we accept this dep
				const result = closeTab(s, tabId, false, { skipHistory: isWizardTab }); // Don't filter for unread during close
				if (!result) return s;
				// Also add to unified closed history (unless wizard tab) so it can be reopened with Cmd+Shift+T
				if (!isWizardTab && tab) {
					return addAiTabToUnifiedHistory(result.session, tab, unifiedIndex);
				}
				return result.session;
			})
		);
	}, []);

	/**
	 * Tab close handler that shows confirmation for wizard tabs.
	 * Wizard tabs require confirmation before closing since they can't be restored.
	 */
	const handleTabClose = useCallback(
		(tabId: string) => {
			// Find the tab to check if it has an active wizard
			const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
			const tab = session?.aiTabs.find((t) => t.id === tabId);

			if (tab && hasActiveWizard(tab)) {
				// Show confirmation modal for wizard tabs
				setConfirmModalMessage(
					'Close this wizard? Your progress will be lost and cannot be restored.'
				);
				setConfirmModalOnConfirm(() => () => performTabClose(tabId));
				setConfirmModalOpen(true);
			} else {
				// Regular tab - close directly
				performTabClose(tabId);
			}
		},
		[performTabClose]
	);

	const handleNewTab = useCallback(() => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				const result = createTab(s, {
					saveToHistory: defaultSaveToHistory,
					showThinking: defaultShowThinking,
				});
				if (!result) return s;
				return result.session;
			})
		);
	}, [defaultSaveToHistory, defaultShowThinking]);

	/**
	 * Close all tabs in the active session.
	 * Creates a fresh new tab after closing all existing ones.
	 */
	const handleCloseAllTabs = useCallback(() => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				// Close all tabs by iterating through them
				let updatedSession = s;
				const tabIds = s.aiTabs.map((t) => t.id);
				for (const tabId of tabIds) {
					const tab = updatedSession.aiTabs.find((t) => t.id === tabId);
					const result = closeTab(updatedSession, tabId, false, {
						skipHistory: tab ? hasActiveWizard(tab) : false,
					});
					if (result) {
						updatedSession = result.session;
					}
				}
				return updatedSession;
			})
		);
	}, []);

	/**
	 * Close all tabs except the active tab (works with unified tabs).
	 * Supports both AI tabs and file preview tabs based on unifiedTabOrder.
	 */
	const handleCloseOtherTabs = useCallback(() => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;

				// Determine the currently active tab in unified order
				const activeUnifiedId = s.activeFileTabId ?? s.activeTabId;
				const activeUnifiedType = s.activeFileTabId ? 'file' : 'ai';

				// Find tabs to close (all except the active one)
				const tabsToClose = s.unifiedTabOrder.filter(
					(ref) => !(ref.type === activeUnifiedType && ref.id === activeUnifiedId)
				);

				let updatedSession = s;

				for (const tabRef of tabsToClose) {
					if (tabRef.type === 'ai') {
						// Close AI tab using closeTab helper
						const tab = updatedSession.aiTabs.find((t) => t.id === tabRef.id);
						if (tab) {
							const result = closeTab(updatedSession, tab.id, false, {
								skipHistory: hasActiveWizard(tab),
							});
							if (result) {
								updatedSession = result.session;
							}
						}
					} else {
						// Close file tab by removing from arrays
						updatedSession = {
							...updatedSession,
							filePreviewTabs: updatedSession.filePreviewTabs.filter((t) => t.id !== tabRef.id),
							unifiedTabOrder: updatedSession.unifiedTabOrder.filter(
								(ref) => !(ref.type === 'file' && ref.id === tabRef.id)
							),
						};
					}
				}

				return updatedSession;
			})
		);
	}, []);

	/**
	 * Close all tabs to the left of the active tab (works with unified tabs).
	 * Supports both AI tabs and file preview tabs based on unifiedTabOrder.
	 */
	const handleCloseTabsLeft = useCallback(() => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;

				// Determine the currently active tab in unified order
				const activeUnifiedId = s.activeFileTabId ?? s.activeTabId;
				const activeUnifiedType = s.activeFileTabId ? 'file' : 'ai';

				// Find the active tab's position in unifiedTabOrder
				const activeIndex = s.unifiedTabOrder.findIndex(
					(ref) => ref.type === activeUnifiedType && ref.id === activeUnifiedId
				);
				if (activeIndex <= 0) return s; // Nothing to close

				// Get all tabs to the left of the active tab
				const tabsToClose = s.unifiedTabOrder.slice(0, activeIndex);

				let updatedSession = s;

				for (const tabRef of tabsToClose) {
					if (tabRef.type === 'ai') {
						// Close AI tab using closeTab helper
						const tab = updatedSession.aiTabs.find((t) => t.id === tabRef.id);
						if (tab) {
							const result = closeTab(updatedSession, tab.id, false, {
								skipHistory: hasActiveWizard(tab),
							});
							if (result) {
								updatedSession = result.session;
							}
						}
					} else {
						// Close file tab by removing from arrays
						updatedSession = {
							...updatedSession,
							filePreviewTabs: updatedSession.filePreviewTabs.filter((t) => t.id !== tabRef.id),
							unifiedTabOrder: updatedSession.unifiedTabOrder.filter(
								(ref) => !(ref.type === 'file' && ref.id === tabRef.id)
							),
						};
					}
				}

				return updatedSession;
			})
		);
	}, []);

	/**
	 * Close all tabs to the right of the active tab (works with unified tabs).
	 * Supports both AI tabs and file preview tabs based on unifiedTabOrder.
	 */
	const handleCloseTabsRight = useCallback(() => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;

				// Determine the currently active tab in unified order
				const activeUnifiedId = s.activeFileTabId ?? s.activeTabId;
				const activeUnifiedType = s.activeFileTabId ? 'file' : 'ai';

				// Find the active tab's position in unifiedTabOrder
				const activeIndex = s.unifiedTabOrder.findIndex(
					(ref) => ref.type === activeUnifiedType && ref.id === activeUnifiedId
				);
				if (activeIndex < 0 || activeIndex >= s.unifiedTabOrder.length - 1) return s; // Nothing to close

				// Get all tabs to the right of the active tab
				const tabsToClose = s.unifiedTabOrder.slice(activeIndex + 1);

				let updatedSession = s;

				for (const tabRef of tabsToClose) {
					if (tabRef.type === 'ai') {
						// Close AI tab using closeTab helper
						const tab = updatedSession.aiTabs.find((t) => t.id === tabRef.id);
						if (tab) {
							const result = closeTab(updatedSession, tab.id, false, {
								skipHistory: hasActiveWizard(tab),
							});
							if (result) {
								updatedSession = result.session;
							}
						}
					} else {
						// Close file tab by removing from arrays
						updatedSession = {
							...updatedSession,
							filePreviewTabs: updatedSession.filePreviewTabs.filter((t) => t.id !== tabRef.id),
							unifiedTabOrder: updatedSession.unifiedTabOrder.filter(
								(ref) => !(ref.type === 'file' && ref.id === tabRef.id)
							),
						};
					}
				}

				return updatedSession;
			})
		);
	}, []);

	/**
	 * Close the currently active tab (for Cmd+W).
	 * Determines which tab is active (checking activeFileTabId first, then activeTabId),
	 * and calls the appropriate close handler.
	 *
	 * For file tabs: closes immediately.
	 * For AI tabs: prevents closing if it's the last AI tab (keeps at least one AI tab).
	 *
	 * Returns an object indicating what action was taken, for the keyboard handler
	 * to potentially show confirmation modals for wizard tabs.
	 */
	const handleCloseCurrentTab = useCallback((): {
		type: 'file' | 'ai' | 'prevented' | 'none';
		tabId?: string;
		isWizardTab?: boolean;
	} => {
		const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!session) return { type: 'none' };

		// Check if a file tab is active first
		if (session.activeFileTabId) {
			const tabId = session.activeFileTabId;
			// File tabs can always be closed (no wizard confirmation needed)
			// Use the closeFileTabHelper to properly add to unifiedClosedTabHistory for Cmd+Shift+T
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSessionIdRef.current) return s;
					const result = closeFileTabHelper(s, tabId);
					if (!result) return s;
					return result.session;
				})
			);
			return { type: 'file', tabId };
		}

		// AI tab is active
		if (session.activeTabId) {
			// Prevent closing if it's the last AI tab
			if (session.aiTabs.length <= 1) {
				return { type: 'prevented' };
			}

			const tabId = session.activeTabId;
			const tab = session.aiTabs.find((t) => t.id === tabId);
			const isWizardTab = tab ? hasActiveWizard(tab) : false;

			// Return info for the keyboard handler to show confirmation modal if needed
			return { type: 'ai', tabId, isWizardTab };
		}

		return { type: 'none' };
	}, []);

	const handleRemoveQueuedItem = useCallback((itemId: string) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				return {
					...s,
					executionQueue: s.executionQueue.filter((item) => item.id !== itemId),
				};
			})
		);
	}, []);

	/**
	 * Toggle bookmark state for a session.
	 * Used by keyboard shortcut (Cmd+Shift+B) and UI actions.
	 */
	const toggleBookmark = useCallback((sessionId: string) => {
		setSessions((prev) =>
			prev.map((s) => (s.id === sessionId ? { ...s, bookmarked: !s.bookmarked } : s))
		);
	}, []);

	const handleOpenQueueBrowser = useCallback(() => {
		setQueueBrowserOpen(true);
	}, []);

	// PERF: Memoized callback for deleting log entries
	// Extracted from inline function to prevent MainPanel re-renders
	const handleDeleteLog = useCallback((logId: string): number | null => {
		// Use refs to access current state without adding dependencies
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession) return null;

		const isAIMode = currentSession.inputMode === 'ai';

		// For AI mode, use the active tab's logs; for terminal mode, use shellLogs
		const currentActiveTab = isAIMode ? getActiveTab(currentSession) : null;
		const logs = isAIMode ? currentActiveTab?.logs || [] : currentSession.shellLogs;

		// Find the log entry and its index
		const logIndex = logs.findIndex((log) => log.id === logId);
		if (logIndex === -1) return null;

		const log = logs[logIndex];
		if (log.source !== 'user') return null; // Only delete user commands/messages

		// Find the next user command index (or end of array)
		let endIndex = logs.length;
		for (let i = logIndex + 1; i < logs.length; i++) {
			if (logs[i].source === 'user') {
				endIndex = i;
				break;
			}
		}

		// Remove logs from logIndex to endIndex (exclusive)
		const newLogs = [...logs.slice(0, logIndex), ...logs.slice(endIndex)];

		// Find the index of the next user command in the NEW array
		// This is the command that was at endIndex, now at logIndex position
		let nextUserCommandIndex: number | null = null;
		for (let i = logIndex; i < newLogs.length; i++) {
			if (newLogs[i].source === 'user') {
				nextUserCommandIndex = i;
				break;
			}
		}
		// If no next command, try to find the previous user command
		if (nextUserCommandIndex === null) {
			for (let i = logIndex - 1; i >= 0; i--) {
				if (newLogs[i].source === 'user') {
					nextUserCommandIndex = i;
					break;
				}
			}
		}

		if (isAIMode && currentActiveTab) {
			// For AI mode, also delete from the Claude session JSONL file
			// This ensures the context is actually removed for future interactions
			// Use the active tab's agentSessionId, not the deprecated session-level one
			const agentSessionId = currentActiveTab.agentSessionId;
			if (agentSessionId && currentSession.cwd) {
				// Delete asynchronously - don't block the UI update
				window.maestro.claude
					.deleteMessagePair(
						currentSession.cwd,
						agentSessionId,
						logId, // This is the UUID if loaded from Claude session
						log.text // Fallback: match by content if UUID doesn't match
					)
					.then((result) => {
						if (!result.success) {
							console.warn('[handleDeleteLog] Failed to delete from Claude session:', result.error);
						}
					})
					.catch((err) => {
						console.error('[handleDeleteLog] Error deleting from Claude session:', err);
					});
			}

			// Update the active tab's logs and aiCommandHistory
			const commandText = log.text.trim();

			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== currentSession.id) return s;
					const newAICommandHistory = (s.aiCommandHistory || []).filter(
						(cmd) => cmd !== commandText
					);
					return {
						...s,
						aiCommandHistory: newAICommandHistory,
						aiTabs: s.aiTabs.map((tab) =>
							tab.id === currentActiveTab.id ? { ...tab, logs: newLogs } : tab
						),
					};
				})
			);
		} else {
			// Terminal mode - update shellLogs and shellCommandHistory
			const commandText = log.text.trim();

			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== currentSession.id) return s;
					const newShellCommandHistory = (s.shellCommandHistory || []).filter(
						(cmd) => cmd !== commandText
					);
					return {
						...s,
						shellLogs: newLogs,
						shellCommandHistory: newShellCommandHistory,
					};
				})
			);
		}

		return nextUserCommandIndex;
	}, []);

	// PERF: Memoized callbacks for MainPanel tab management props
	// These were previously inline arrow functions, causing MainPanel re-renders on every keystroke
	const handleRequestTabRename = useCallback((tabId: string) => {
		const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!session) return;
		const tab = session.aiTabs?.find((t) => t.id === tabId);
		if (tab) {
			// Cancel automatic tab naming if in progress (user is manually renaming)
			if (tab.isGeneratingName) {
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== activeSessionIdRef.current) return s;
						return {
							...s,
							aiTabs: s.aiTabs.map((t) => (t.id === tabId ? { ...t, isGeneratingName: false } : t)),
						};
					})
				);
			}
			setRenameTabId(tabId);
			setRenameTabInitialName(getInitialRenameValue(tab));
			setRenameTabModalOpen(true);
		}
	}, []);

	const handleTabReorder = useCallback((fromIndex: number, toIndex: number) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current || !s.aiTabs) return s;
				const tabs = [...s.aiTabs];
				const [movedTab] = tabs.splice(fromIndex, 1);
				tabs.splice(toIndex, 0, movedTab);
				return { ...s, aiTabs: tabs };
			})
		);
	}, []);

	const handleUpdateTabByClaudeSessionId = useCallback(
		(agentSessionId: string, updates: { name?: string | null; starred?: boolean }) => {
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSessionIdRef.current) return s;
					const tabIndex = s.aiTabs.findIndex((tab) => tab.agentSessionId === agentSessionId);
					if (tabIndex === -1) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) =>
							tab.agentSessionId === agentSessionId
								? {
										...tab,
										...(updates.name !== undefined ? { name: updates.name } : {}),
										...(updates.starred !== undefined ? { starred: updates.starred } : {}),
									}
								: tab
						),
					};
				})
			);
		},
		[]
	);

	const handleTabStar = useCallback((tabId: string, starred: boolean) => {
		const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!session) return;
		const tabToStar = session.aiTabs.find((t) => t.id === tabId);
		if (!tabToStar?.agentSessionId) return;

		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				const tab = s.aiTabs.find((t) => t.id === tabId);
				if (tab?.agentSessionId) {
					const agentId = s.toolType || 'claude-code';
					if (agentId === 'claude-code') {
						window.maestro.claude
							.updateSessionStarred(s.projectRoot, tab.agentSessionId, starred)
							.catch((err) => console.error('Failed to persist tab starred:', err));
					} else {
						window.maestro.agentSessions
							.setSessionStarred(agentId, s.projectRoot, tab.agentSessionId, starred)
							.catch((err) => console.error('Failed to persist tab starred:', err));
					}
				}
				return {
					...s,
					aiTabs: s.aiTabs.map((t) => (t.id === tabId ? { ...t, starred } : t)),
				};
			})
		);
	}, []);

	const handleTabMarkUnread = useCallback((tabId: string) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((t) => (t.id === tabId ? { ...t, hasUnread: true } : t)),
				};
			})
		);
	}, []);

	const handleToggleTabReadOnlyMode = useCallback(() => {
		const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!session) return;
		const activeTab = getActiveTab(session);
		if (!activeTab) return;
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((tab) =>
						tab.id === activeTab.id ? { ...tab, readOnlyMode: !tab.readOnlyMode } : tab
					),
				};
			})
		);
	}, []);

	const handleToggleTabSaveToHistory = useCallback(() => {
		const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!session) return;
		const activeTab = getActiveTab(session);
		if (!activeTab) return;
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((tab) =>
						tab.id === activeTab.id ? { ...tab, saveToHistory: !tab.saveToHistory } : tab
					),
				};
			})
		);
	}, []);

	const handleToggleTabShowThinking = useCallback(() => {
		const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!session) return;
		const activeTab = getActiveTab(session);
		if (!activeTab) return;
		// Cycle through: off -> on -> sticky -> off
		const cycleThinkingMode = (current: ThinkingMode | undefined): ThinkingMode => {
			if (!current || current === 'off') return 'on';
			if (current === 'on') return 'sticky';
			return 'off'; // sticky -> off
		};
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionIdRef.current) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((tab) => {
						if (tab.id !== activeTab.id) return tab;
						const newMode = cycleThinkingMode(tab.showThinking);
						// When turning OFF, also clear any existing thinking/tool logs
						if (newMode === 'off') {
							return {
								...tab,
								showThinking: 'off',
								logs: tab.logs.filter((l) => l.source !== 'thinking' && l.source !== 'tool'),
							};
						}
						return { ...tab, showThinking: newMode };
					}),
				};
			})
		);
	}, []);

	const handleScrollPositionChange = useCallback((scrollTop: number) => {
		const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!session) return;
		if (session.inputMode === 'ai') {
			const activeTab = getActiveTab(session);
			if (!activeTab) return;
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSessionIdRef.current) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) => (tab.id === activeTab.id ? { ...tab, scrollTop } : tab)),
					};
				})
			);
		} else {
			setSessions((prev) =>
				prev.map((s) =>
					s.id === activeSessionIdRef.current ? { ...s, terminalScrollTop: scrollTop } : s
				)
			);
		}
	}, []);

	const handleAtBottomChange = useCallback((isAtBottom: boolean) => {
		const session = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!session) return;
		if (session.inputMode === 'ai') {
			const activeTab = getActiveTab(session);
			if (!activeTab) return;
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSessionIdRef.current) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) =>
							tab.id === activeTab.id
								? { ...tab, isAtBottom, hasUnread: isAtBottom ? false : tab.hasUnread }
								: tab
						),
					};
				})
			);
		}
	}, []);

	const handleMainPanelInputBlur = useCallback(() => {
		// Access current values via refs to avoid dependencies
		const currentIsAiMode =
			sessionsRef.current.find((s) => s.id === activeSessionIdRef.current)?.inputMode === 'ai';
		if (currentIsAiMode) {
			syncAiInputToSession(aiInputValueLocalRef.current);
		} else {
			syncTerminalInputToSession(terminalInputValueRef.current);
		}
	}, [syncAiInputToSession, syncTerminalInputToSession]);

	// PERF: Ref to access processInput without dependency - will be set after processInput is defined
	const processInputRef = useRef<(text?: string) => void>(() => {});

	const handleReplayMessage = useCallback(
		(text: string, images?: string[]) => {
			if (images && images.length > 0) {
				setStagedImages(images);
			}
			setTimeout(() => processInputRef.current(text), 0);
		},
		[setStagedImages]
	);

	const handleOpenTabSearch = useCallback(() => {
		setTabSwitcherOpen(true);
	}, []);

	const handleOpenPromptComposer = useCallback(() => {
		setPromptComposerOpen(true);
	}, []);

	const handleOpenFuzzySearch = useCallback(() => {
		setFuzzyFileSearchOpen(true);
	}, []);

	const handleOpenWorktreeConfig = useCallback(() => {
		setWorktreeConfigModalOpen(true);
	}, []);

	const handleOpenCreatePR = useCallback(() => {
		setCreatePRModalOpen(true);
	}, []);

	const handleOpenAboutModal = useCallback(() => {
		setAboutModalOpen(true);
	}, []);

	const handleFocusFileInGraph = useCallback((relativePath: string) => {
		setGraphFocusFilePath(relativePath);
		setLastGraphFocusFilePath(relativePath);
		setIsGraphViewOpen(true);
	}, []);

	const handleOpenLastDocumentGraph = useCallback(() => {
		// Use ref pattern to access current value without dependency
		const path = lastGraphFocusFilePathRef.current;
		if (path) {
			setGraphFocusFilePath(path);
			setIsGraphViewOpen(true);
		}
	}, []);

	// Sync lastGraphFocusFilePath ref for use in memoized callbacks
	useEffect(() => {
		lastGraphFocusFilePathRef.current = lastGraphFocusFilePath;
	}, [lastGraphFocusFilePath]);

	// PERF: Memoized callbacks for SessionList props - these were inline arrow functions
	const handleEditAgent = useCallback((session: Session) => {
		setEditAgentSession(session);
		setEditAgentModalOpen(true);
	}, []);

	const handleOpenCreatePRSession = useCallback((session: Session) => {
		setCreatePRSession(session);
		setCreatePRModalOpen(true);
	}, []);

	const handleQuickCreateWorktree = useCallback((session: Session) => {
		setCreateWorktreeSession(session);
		setCreateWorktreeModalOpen(true);
	}, []);

	const handleOpenWorktreeConfigSession = useCallback((session: Session) => {
		setActiveSessionId(session.id);
		setWorktreeConfigModalOpen(true);
	}, []);

	const handleDeleteWorktreeSession = useCallback((session: Session) => {
		setDeleteWorktreeSession(session);
		setDeleteWorktreeModalOpen(true);
	}, []);

	const handleToggleWorktreeExpanded = useCallback((sessionId: string) => {
		setSessions((prev) =>
			prev.map((s) =>
				s.id === sessionId ? { ...s, worktreesExpanded: !(s.worktreesExpanded ?? true) } : s
			)
		);
	}, []);

	const handleStartTour = useCallback(() => {
		setTourFromWizard(false);
		setTourOpen(true);
	}, []);

	const handleNewGroupChat = useCallback(() => {
		setShowNewGroupChatModal(true);
	}, []);

	const handleEditGroupChat = useCallback((id: string) => {
		setShowEditGroupChatModal(id);
	}, []);

	const handleOpenRenameGroupChatModal = useCallback((id: string) => {
		setShowRenameGroupChatModal(id);
	}, []);

	const handleOpenDeleteGroupChatModal = useCallback((id: string) => {
		setShowDeleteGroupChatModal(id);
	}, []);

	// PERF: Memoized callbacks for MainPanel file preview navigation
	// These were inline arrow functions causing MainPanel re-renders on every keystroke
	// Updated to use file tabs (handleOpenFileTab) instead of legacy preview overlay
	const handleMainPanelFileClick = useCallback(
		async (relativePath: string, options?: { openInNewTab?: boolean }) => {
			const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
			if (!currentSession) return;
			const filename = relativePath.split('/').pop() || relativePath;

			// Get SSH remote ID
			const sshRemoteId =
				currentSession.sshRemoteId || currentSession.sessionSshRemoteConfig?.remoteId || undefined;

			// Check if file should be opened externally (PDF, etc.)
			if (!sshRemoteId && shouldOpenExternally(filename)) {
				const fullPath = `${currentSession.fullPath}/${relativePath}`;
				window.maestro.shell.openExternal(`file://${fullPath}`);
				return;
			}

			try {
				const fullPath = `${currentSession.fullPath}/${relativePath}`;
				// Fetch content and stat in parallel for efficiency
				const [content, stat] = await Promise.all([
					window.maestro.fs.readFile(fullPath, sshRemoteId),
					window.maestro.fs.stat(fullPath, sshRemoteId).catch(() => null), // stat is optional, don't fail if unavailable
				]);
				const lastModified = stat?.modifiedAt ? new Date(stat.modifiedAt).getTime() : undefined;
				// Open file in a tab:
				// - openInNewTab=true (Cmd/Ctrl+Click): create new tab adjacent to current
				// - openInNewTab=false (regular click): replace current tab content
				handleOpenFileTab(
					{
						path: fullPath,
						name: filename,
						content,
						sshRemoteId,
						lastModified,
					},
					{ openInNewTab: options?.openInNewTab ?? false } // Default to replacing current tab for in-content links
				);
				setActiveFocus('main');
			} catch (error) {
				console.error('[onFileClick] Failed to read file:', error);
			}
		},
		[handleOpenFileTab]
	);

	const handleClearFilePreviewHistory = useCallback(() => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession) return;
		setSessions((prev) =>
			prev.map((s) =>
				s.id === currentSession.id
					? { ...s, filePreviewHistory: [], filePreviewHistoryIndex: -1 }
					: s
			)
		);
	}, []);

	/**
	 * Navigate back in the current file tab's navigation history.
	 * Loads the previous file and updates the navigation index.
	 */
	const handleFileTabNavigateBack = useCallback(async () => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession?.activeFileTabId) return;

		const currentTab = currentSession.filePreviewTabs.find(
			(tab) => tab.id === currentSession.activeFileTabId
		);
		if (!currentTab) return;

		const history = currentTab.navigationHistory ?? [];
		const currentIndex = currentTab.navigationIndex ?? history.length - 1;

		if (currentIndex > 0) {
			const newIndex = currentIndex - 1;
			const historyEntry = history[newIndex];

			// Fetch the file content (use SSH remote ID from the current tab if available)
			try {
				const sshRemoteId = currentTab.sshRemoteId;
				const content = await window.maestro.fs.readFile(historyEntry.path, sshRemoteId);
				if (!content) return;

				// Update the tab with new content and navigation index
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== currentSession.id) return s;
						return {
							...s,
							filePreviewTabs: s.filePreviewTabs.map((tab) =>
								tab.id === currentTab.id
									? {
											...tab,
											path: historyEntry.path,
											name: historyEntry.name,
											content,
											scrollTop: historyEntry.scrollTop ?? 0,
											navigationIndex: newIndex,
										}
									: tab
							),
						};
					})
				);
			} catch (error) {
				console.error('Failed to navigate back:', error);
			}
		}
	}, []);

	/**
	 * Navigate forward in the current file tab's navigation history.
	 * Loads the next file and updates the navigation index.
	 */
	const handleFileTabNavigateForward = useCallback(async () => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession?.activeFileTabId) return;

		const currentTab = currentSession.filePreviewTabs.find(
			(tab) => tab.id === currentSession.activeFileTabId
		);
		if (!currentTab) return;

		const history = currentTab.navigationHistory ?? [];
		const currentIndex = currentTab.navigationIndex ?? history.length - 1;

		if (currentIndex < history.length - 1) {
			const newIndex = currentIndex + 1;
			const historyEntry = history[newIndex];

			// Fetch the file content (use SSH remote ID from the current tab if available)
			try {
				const sshRemoteId = currentTab.sshRemoteId;
				const content = await window.maestro.fs.readFile(historyEntry.path, sshRemoteId);
				if (!content) return;

				// Update the tab with new content and navigation index
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== currentSession.id) return s;
						return {
							...s,
							filePreviewTabs: s.filePreviewTabs.map((tab) =>
								tab.id === currentTab.id
									? {
											...tab,
											path: historyEntry.path,
											name: historyEntry.name,
											content,
											scrollTop: historyEntry.scrollTop ?? 0,
											navigationIndex: newIndex,
										}
									: tab
							),
						};
					})
				);
			} catch (error) {
				console.error('Failed to navigate forward:', error);
			}
		}
	}, []);

	/**
	 * Navigate to a specific index in the current file tab's navigation history.
	 */
	const handleFileTabNavigateToIndex = useCallback(async (index: number) => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession?.activeFileTabId) return;

		const currentTab = currentSession.filePreviewTabs.find(
			(tab) => tab.id === currentSession.activeFileTabId
		);
		if (!currentTab) return;

		const history = currentTab.navigationHistory ?? [];

		if (index >= 0 && index < history.length) {
			const historyEntry = history[index];

			// Fetch the file content (use SSH remote ID from the current tab if available)
			try {
				const sshRemoteId = currentTab.sshRemoteId;
				const content = await window.maestro.fs.readFile(historyEntry.path, sshRemoteId);
				if (!content) return;

				// Update the tab with new content and navigation index
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== currentSession.id) return s;
						return {
							...s,
							filePreviewTabs: s.filePreviewTabs.map((tab) =>
								tab.id === currentTab.id
									? {
											...tab,
											path: historyEntry.path,
											name: historyEntry.name,
											content,
											scrollTop: historyEntry.scrollTop ?? 0,
											navigationIndex: index,
										}
									: tab
							),
						};
					})
				);
			} catch (error) {
				console.error('Failed to navigate to index:', error);
			}
		}
	}, []);

	const handleMergeWith = useCallback((tabId: string) => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (currentSession) {
			setSessions((prev) =>
				prev.map((s) => (s.id === currentSession.id ? { ...s, activeTabId: tabId } : s))
			);
		}
		setMergeSessionModalOpen(true);
	}, []);

	const handleOpenSendToAgentModal = useCallback((tabId: string) => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (currentSession) {
			setSessions((prev) =>
				prev.map((s) => (s.id === currentSession.id ? { ...s, activeTabId: tabId } : s))
			);
		}
		setSendToAgentModalOpen(true);
	}, []);

	const handleCopyContext = useCallback((tabId: string) => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession) return;
		const tab = currentSession.aiTabs.find((t) => t.id === tabId);
		if (!tab || !tab.logs || tab.logs.length === 0) return;

		const text = formatLogsForClipboard(tab.logs);
		navigator.clipboard
			.writeText(text)
			.then(() => {
				addToastRef.current({
					type: 'success',
					title: 'Context Copied',
					message: 'Conversation copied to clipboard.',
				});
			})
			.catch((err) => {
				console.error('Failed to copy context:', err);
				addToastRef.current({
					type: 'error',
					title: 'Copy Failed',
					message: 'Failed to copy context to clipboard.',
				});
			});
	}, []);

	// Memoized handler for exporting tab as HTML
	const handleExportHtml = useCallback(async (tabId: string) => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession) return;
		const tab = currentSession.aiTabs.find((t) => t.id === tabId);
		if (!tab || !tab.logs || tab.logs.length === 0) return;

		try {
			const { downloadTabExport } = await import('./utils/tabExport');
			await downloadTabExport(
				tab,
				{
					name: currentSession.name,
					cwd: currentSession.cwd,
					toolType: currentSession.toolType,
				},
				themeRef.current
			);
			addToastRef.current({
				type: 'success',
				title: 'Export Complete',
				message: 'Conversation exported as HTML.',
			});
		} catch (err) {
			console.error('Failed to export tab:', err);
			addToastRef.current({
				type: 'error',
				title: 'Export Failed',
				message: 'Failed to export conversation as HTML.',
			});
		}
	}, []);

	// Memoized handler for publishing tab as GitHub Gist
	const handlePublishTabGist = useCallback((tabId: string) => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession) return;
		const tab = currentSession.aiTabs.find((t) => t.id === tabId);
		if (!tab || !tab.logs || tab.logs.length === 0) return;

		// Convert logs to markdown-like text format
		const content = formatLogsForClipboard(tab.logs);
		// Generate filename based on tab name or session ID
		const tabName = tab.name || (tab.agentSessionId?.slice(0, 8) ?? 'conversation');
		const filename = `${tabName.replace(/[^a-zA-Z0-9-_]/g, '_')}_context.md`;

		// Set content and open the modal
		setTabGistContent({ filename, content });
		setGistPublishModalOpen(true);
	}, []);

	// Memoized handler for clearing agent error (wraps handleClearAgentError with session/tab context)
	const handleClearAgentErrorForMainPanel = useCallback(() => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession) return;
		const activeTab = currentSession.aiTabs.find((t) => t.id === currentSession.activeTabId);
		if (!activeTab?.agentError) return;
		handleClearAgentError(currentSession.id, activeTab.id);
	}, [handleClearAgentError]);

	// Memoized handler for showing agent error modal
	const handleShowAgentErrorModal = useCallback(() => {
		const currentSession = sessionsRef.current.find((s) => s.id === activeSessionIdRef.current);
		if (!currentSession) return;
		const activeTab = currentSession.aiTabs.find((t) => t.id === currentSession.activeTabId);
		if (!activeTab?.agentError) return;
		setAgentErrorModalSessionId(currentSession.id);
	}, []);

	// Note: spawnBackgroundSynopsisRef and spawnAgentWithPromptRef are now updated in useAgentExecution hook

	// Initialize batch processor (supports parallel batches per session)
	const {
		batchRunStates: _batchRunStates,
		getBatchState,
		activeBatchSessionIds,
		startBatchRun,
		stopBatchRun,
		// Error handling (Phase 5.10)
		pauseBatchOnError,
		skipCurrentDocument,
		resumeAfterError,
		abortBatchOnError,
	} = useBatchProcessor({
		sessions,
		groups,
		onUpdateSession: (sessionId, updates) => {
			setSessions((prev) => prev.map((s) => (s.id === sessionId ? { ...s, ...updates } : s)));
		},
		onSpawnAgent: spawnAgentForSession,
		onAddHistoryEntry: async (entry) => {
			await window.maestro.history.add({
				...entry,
				id: generateId(),
			});
			// Refresh history panel to show the new entry
			rightPanelRef.current?.refreshHistoryPanel();
		},
		// TTS settings for speaking synopsis after each auto-run task
		audioFeedbackEnabled,
		audioFeedbackCommand,
		// Pass autoRunStats for achievement progress in final summary
		autoRunStats,
		onComplete: (info) => {
			// Find group name for the session
			const session = sessions.find((s) => s.id === info.sessionId);
			const sessionGroup = session?.groupId ? groups.find((g) => g.id === session.groupId) : null;
			const groupName = sessionGroup?.name || 'Ungrouped';

			// Determine toast type and message based on completion status
			const _isSuccess = info.completedTasks > 0 && !info.wasStopped;
			const toastType = info.wasStopped
				? 'warning'
				: info.completedTasks === info.totalTasks
					? 'success'
					: 'info';

			// Build message
			let message: string;
			if (info.wasStopped) {
				message = `Stopped after completing ${info.completedTasks} of ${info.totalTasks} tasks`;
			} else if (info.completedTasks === info.totalTasks) {
				message = `All ${info.totalTasks} ${
					info.totalTasks === 1 ? 'task' : 'tasks'
				} completed successfully`;
			} else {
				message = `Completed ${info.completedTasks} of ${info.totalTasks} tasks`;
			}

			addToast({
				type: toastType,
				title: 'Auto-Run Complete',
				message,
				group: groupName,
				project: info.sessionName,
				taskDuration: info.elapsedTimeMs,
				sessionId: info.sessionId,
			});

			// Record achievement and check for badge unlocks
			if (info.elapsedTimeMs > 0) {
				const { newBadgeLevel, isNewRecord } = recordAutoRunComplete(info.elapsedTimeMs);

				// Check for first Auto Run celebration (takes priority over standing ovation)
				if (!firstAutoRunCompleted) {
					// This is the user's first Auto Run completion!
					setFirstAutoRunCompleted(true);
					// Small delay to let the toast appear first
					setTimeout(() => {
						setFirstRunCelebrationData({
							elapsedTimeMs: info.elapsedTimeMs,
							completedTasks: info.completedTasks,
							totalTasks: info.totalTasks,
						});
					}, 500);
				}
				// Show Standing Ovation overlay for new badges or records (only if not showing first run)
				else if (newBadgeLevel !== null || isNewRecord) {
					const badge =
						newBadgeLevel !== null
							? CONDUCTOR_BADGES.find((b) => b.level === newBadgeLevel)
							: CONDUCTOR_BADGES.find((b) => b.level === autoRunStats.currentBadgeLevel);

					if (badge) {
						// Small delay to let the toast appear first
						setTimeout(() => {
							setStandingOvationData({
								badge,
								isNewRecord,
								recordTimeMs: isNewRecord ? info.elapsedTimeMs : autoRunStats.longestRunMs,
							});
						}, 500);
					}
				}

				// Submit to leaderboard if registered and email confirmed
				if (isLeaderboardRegistered && leaderboardRegistration) {
					// Calculate updated stats after this run (simulating what recordAutoRunComplete updated)
					const updatedCumulativeTimeMs = autoRunStats.cumulativeTimeMs + info.elapsedTimeMs;
					const updatedTotalRuns = autoRunStats.totalRuns + 1;
					const updatedLongestRunMs = Math.max(autoRunStats.longestRunMs || 0, info.elapsedTimeMs);
					const updatedBadge = getBadgeForTime(updatedCumulativeTimeMs);
					const updatedBadgeLevel = updatedBadge?.level || 0;
					const updatedBadgeName = updatedBadge?.name || 'No Badge Yet';

					// Format longest run date
					let longestRunDate: string | undefined;
					if (isNewRecord) {
						longestRunDate = new Date().toISOString().split('T')[0];
					} else if (autoRunStats.longestRunTimestamp > 0) {
						longestRunDate = new Date(autoRunStats.longestRunTimestamp).toISOString().split('T')[0];
					}

					// Submit to leaderboard in background (only if we have an auth token)
					if (!leaderboardRegistration.authToken) {
						console.warn('Leaderboard submission skipped: no auth token');
					} else {
						// Auto Run completion submission: Use delta mode for multi-device aggregation
						// API behavior:
						// - If deltaMs > 0 is present: Server adds deltaMs to running total (delta mode)
						// - If only cumulativeTimeMs (no deltaMs): Server replaces value (legacy mode)
						// We send deltaMs to trigger delta mode, ensuring proper aggregation across devices.
						window.maestro.leaderboard
							.submit({
								email: leaderboardRegistration.email,
								displayName: leaderboardRegistration.displayName,
								githubUsername: leaderboardRegistration.githubUsername,
								twitterHandle: leaderboardRegistration.twitterHandle,
								linkedinHandle: leaderboardRegistration.linkedinHandle,
								badgeLevel: updatedBadgeLevel,
								badgeName: updatedBadgeName,
								// Legacy fields (server ignores when deltaMs is present)
								cumulativeTimeMs: updatedCumulativeTimeMs,
								totalRuns: updatedTotalRuns,
								longestRunMs: updatedLongestRunMs,
								longestRunDate,
								currentRunMs: info.elapsedTimeMs,
								theme: activeThemeId,
								authToken: leaderboardRegistration.authToken,
								// Delta mode: Server adds these to running totals
								deltaMs: info.elapsedTimeMs,
								deltaRuns: 1,
								// Client's local total for discrepancy detection
								clientTotalTimeMs: updatedCumulativeTimeMs,
							})
							.then((result) => {
								if (result.success) {
									// Update last submission timestamp
									setLeaderboardRegistration({
										...leaderboardRegistration,
										lastSubmissionAt: Date.now(),
										emailConfirmed: !result.requiresConfirmation,
									});

									// Show ranking notification if available
									if (result.ranking) {
										const { cumulative, longestRun } = result.ranking;
										let message = '';

										// Build cumulative ranking message
										if (cumulative.previousRank === null) {
											// New entry
											message = `You're ranked #${cumulative.rank} of ${cumulative.total}!`;
										} else if (cumulative.improved) {
											// Moved up
											const spotsUp = cumulative.previousRank - cumulative.rank;
											message = `You moved up ${spotsUp} spot${
												spotsUp > 1 ? 's' : ''
											}! Now #${cumulative.rank} (was #${cumulative.previousRank})`;
										} else if (cumulative.rank === cumulative.previousRank) {
											// Holding steady
											message = `You're holding steady at #${cumulative.rank}`;
										} else {
											// Dropped (shouldn't happen often, but handle it)
											message = `You're now #${cumulative.rank} of ${cumulative.total}`;
										}

										// Add longest run info if it's a new record or improved
										if (longestRun && isNewRecord) {
											message += ` | New personal best! #${longestRun.rank} on longest runs!`;
										}

										addToastRef.current({
											type: 'success',
											title: 'Leaderboard Updated',
											message,
										});
									}

									// Sync local stats from server response (Gap 1 fix for multi-device aggregation)
									if (result.serverTotals) {
										const serverCumulativeMs = result.serverTotals.cumulativeTimeMs;
										// Only update if server has more data (aggregated from other devices)
										if (serverCumulativeMs > updatedCumulativeTimeMs) {
											handleSyncAutoRunStats({
												cumulativeTimeMs: serverCumulativeMs,
												totalRuns: result.serverTotals.totalRuns,
												// Recalculate badge level from server cumulative time
												currentBadgeLevel: getBadgeForTime(serverCumulativeMs)?.level ?? 0,
												// Keep local longest run (server might not return this in submit response)
												longestRunMs: updatedLongestRunMs,
												longestRunTimestamp: autoRunStats.longestRunTimestamp,
											});
										}
									}
								}
								// Silent failure - don't bother the user if submission fails
							})
							.catch(() => {
								// Silent failure - leaderboard submission is not critical
							});
					}
				}
			}
		},
		onPRResult: (info) => {
			// Find group name for the session
			const session = sessions.find((s) => s.id === info.sessionId);
			const sessionGroup = session?.groupId ? groups.find((g) => g.id === session.groupId) : null;
			const groupName = sessionGroup?.name || 'Ungrouped';

			if (info.success) {
				// PR created successfully - show success toast with PR URL
				addToast({
					type: 'success',
					title: 'PR Created',
					message: info.prUrl || 'Pull request created successfully',
					group: groupName,
					project: info.sessionName,
					sessionId: info.sessionId,
				});
			} else {
				// PR creation failed - show warning (not error, since the auto-run itself succeeded)
				addToast({
					type: 'warning',
					title: 'PR Creation Failed',
					message: info.error || 'Failed to create pull request',
					group: groupName,
					project: info.sessionName,
					sessionId: info.sessionId,
				});
			}
		},
		// Process queued items after batch completion/stop
		// This ensures pending user messages are processed after Auto Run ends
		onProcessQueueAfterCompletion: (sessionId) => {
			const session = sessionsRef.current.find((s) => s.id === sessionId);
			if (session && session.executionQueue.length > 0 && processQueuedItemRef.current) {
				// Pop first item and process it
				const [nextItem, ...remainingQueue] = session.executionQueue;

				// Update session state: set to busy, pop first item from queue
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== sessionId) return s;

						const targetTab = s.aiTabs.find((tab) => tab.id === nextItem.tabId) || getActiveTab(s);
						if (!targetTab) {
							return {
								...s,
								state: 'busy' as SessionState,
								busySource: 'ai',
								executionQueue: remainingQueue,
								thinkingStartTime: Date.now(),
							};
						}

						// For message items, add a log entry to the target tab
						let updatedAiTabs = s.aiTabs;
						if (nextItem.type === 'message' && nextItem.text) {
							const logEntry: LogEntry = {
								id: generateId(),
								timestamp: Date.now(),
								source: 'user',
								text: nextItem.text,
								images: nextItem.images,
							};
							updatedAiTabs = s.aiTabs.map((tab) =>
								tab.id === targetTab.id
									? {
											...tab,
											logs: [...tab.logs, logEntry],
											state: 'busy' as const,
										}
									: tab
							);
						}

						return {
							...s,
							state: 'busy' as SessionState,
							busySource: 'ai',
							aiTabs: updatedAiTabs,
							activeTabId: targetTab.id,
							executionQueue: remainingQueue,
							thinkingStartTime: Date.now(),
						};
					})
				);

				// Process the item after state update
				processQueuedItemRef.current(sessionId, nextItem);
			}
		},
	});

	// Update refs for batch processor error handling (Phase 5.10)
	// These are used by the agent error handler which runs in a useEffect with empty deps
	pauseBatchOnErrorRef.current = pauseBatchOnError;
	getBatchStateRef.current = getBatchState;

	// Get batch state for the current session - used for locking the AutoRun editor
	// This is session-specific so users can edit docs in other sessions while one runs
	// Quick Win 4: Memoized to prevent unnecessary re-calculations
	const currentSessionBatchState = useMemo(() => {
		return activeSession ? getBatchState(activeSession.id) : null;
	}, [activeSession, getBatchState]);

	// Get batch state for display - prioritize the session with an active batch run,
	// falling back to the active session's state. This ensures AutoRun progress is
	// displayed correctly regardless of which tab/session the user is viewing.
	// Quick Win 4: Memoized to prevent unnecessary re-calculations
	const activeBatchRunState = useMemo(() => {
		if (activeBatchSessionIds.length > 0) {
			return getBatchState(activeBatchSessionIds[0]);
		}
		return activeSession ? getBatchState(activeSession.id) : getBatchState('');
	}, [activeBatchSessionIds, activeSession, getBatchState]);

	// Inline wizard context for /wizard command
	// This manages the state for the inline wizard that creates/iterates on Auto Run documents
	const {
		startWizard: startInlineWizard,
		endWizard: endInlineWizard,
		clearError: clearInlineWizardError,
		retryLastMessage: retryInlineWizardMessage,
		generateDocuments: generateInlineWizardDocuments,
		sendMessage: sendInlineWizardMessage,
		// State for syncing to session.wizardState
		isWizardActive: inlineWizardActive,
		isWaiting: _inlineWizardIsWaiting,
		wizardMode: _inlineWizardMode,
		wizardGoal: _inlineWizardGoal,
		confidence: _inlineWizardConfidence,
		ready: _inlineWizardReady,
		conversationHistory: _inlineWizardConversationHistory,
		error: _inlineWizardError,
		isGeneratingDocs: _inlineWizardIsGeneratingDocs,
		generatedDocuments: _inlineWizardGeneratedDocuments,
		streamingContent: _inlineWizardStreamingContent,
		generationProgress: _inlineWizardGenerationProgress,
		state: _inlineWizardState,
		wizardTabId: inlineWizardTabId,
		agentSessionId: _inlineWizardAgentSessionId,
		// Per-tab wizard state accessors
		getStateForTab: getInlineWizardStateForTab,
		isWizardActiveForTab: _isInlineWizardActiveForTab,
	} = useInlineWizardContext();

	// Wrapper for sendInlineWizardMessage that adds thinking content callback
	// This extracts thinking content from the streaming response and stores it in wizardState
	const sendWizardMessageWithThinking = useCallback(
		async (content: string) => {
			// Clear previous thinking content and tool executions when starting a new message
			if (activeSession) {
				const activeTab = getActiveTab(activeSession);
				if (activeTab?.wizardState) {
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== activeSession.id) return s;
							return {
								...s,
								aiTabs: s.aiTabs.map((tab) => {
									if (tab.id !== activeTab.id) return tab;
									if (!tab.wizardState) return tab;
									return {
										...tab,
										wizardState: {
											...tab.wizardState,
											thinkingContent: '', // Clear previous thinking
											toolExecutions: [], // Clear previous tool executions
										},
									};
								}),
							};
						})
					);
				}
			}

			// Send message with thinking callback
			// Capture session and tab IDs at call time to avoid stale closure issues
			const sessionId = activeSession?.id;
			const tabId = activeSession ? getActiveTab(activeSession)?.id : undefined;

			await sendInlineWizardMessage(content, {
				onThinkingChunk: (chunk) => {
					// Early return if session/tab IDs weren't captured
					if (!sessionId || !tabId) {
						return;
					}

					// Skip JSON-looking content (the structured response) to avoid brief flash of JSON
					// The wizard expects JSON responses like {"confidence": 80, "ready": true, "message": "..."}
					const trimmed = chunk.trim();
					if (
						trimmed.startsWith('{"') &&
						(trimmed.includes('"confidence"') || trimmed.includes('"message"'))
					) {
						return; // Skip structured response JSON
					}

					// Accumulate thinking content in the session state
					// All checks happen inside the updater to use fresh state
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== sessionId) return s;
							const tab = s.aiTabs.find((t) => t.id === tabId);

							// Only accumulate if showWizardThinking is enabled
							if (!tab?.wizardState?.showWizardThinking) {
								return s;
							}

							return {
								...s,
								aiTabs: s.aiTabs.map((t) => {
									if (t.id !== tabId) return t;
									if (!t.wizardState) return t;
									return {
										...t,
										wizardState: {
											...t.wizardState,
											thinkingContent: (t.wizardState.thinkingContent || '') + chunk,
										},
									};
								}),
							};
						})
					);
				},
				onToolExecution: (toolEvent) => {
					// Early return if session/tab IDs weren't captured
					if (!sessionId || !tabId) {
						return;
					}

					// Accumulate tool executions in the session state
					// This is crucial for showThinking mode since batch mode doesn't stream assistant messages
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== sessionId) return s;
							const tab = s.aiTabs.find((t) => t.id === tabId);

							// Only accumulate if showWizardThinking is enabled
							if (!tab?.wizardState?.showWizardThinking) {
								return s;
							}

							return {
								...s,
								aiTabs: s.aiTabs.map((t) => {
									if (t.id !== tabId) return t;
									if (!t.wizardState) return t;
									return {
										...t,
										wizardState: {
											...t.wizardState,
											toolExecutions: [...(t.wizardState.toolExecutions || []), toolEvent],
										},
									};
								}),
							};
						})
					);
				},
			});
		},
		[activeSession, sendInlineWizardMessage, setSessions]
	);

	// Sync inline wizard context state to activeTab.wizardState (per-tab wizard state)
	// This bridges the gap between the context-based state and tab-based UI rendering
	// Each tab maintains its own independent wizard state
	useEffect(() => {
		if (!activeSession) return;

		const activeTab = getActiveTab(activeSession);
		const activeTabId = activeTab?.id;
		if (!activeTabId) return;

		// Get the wizard state for the CURRENT tab using the per-tab accessor
		const tabWizardState = getInlineWizardStateForTab(activeTabId);
		const hasWizardOnThisTab = tabWizardState?.isActive || tabWizardState?.isGeneratingDocs;
		const currentTabWizardState = activeTab?.wizardState;

		if (!hasWizardOnThisTab && !currentTabWizardState) {
			// Neither active nor has state on this tab - nothing to do
			return;
		}

		if (!hasWizardOnThisTab && currentTabWizardState) {
			// Wizard was deactivated on this tab - clear the tab's wizard state
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) =>
							tab.id === activeTabId ? { ...tab, wizardState: undefined } : tab
						),
					};
				})
			);
			return;
		}

		if (!tabWizardState) {
			// No wizard state for this tab - nothing to sync
			return;
		}

		// Sync the wizard state to this specific tab
		// IMPORTANT: showWizardThinking and thinkingContent are preserved from the LATEST state
		// inside the setSessions updater to avoid stale closure issues. These are managed by
		// the toggle and onThinkingChunk callback, not by the hook.
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;

				// Read the LATEST wizard state from prev, not from captured currentTabWizardState
				// This prevents stale closure issues when the toggle or callback updates state
				const latestTab = s.aiTabs.find((tab) => tab.id === activeTabId);
				const latestWizardState = latestTab?.wizardState;

				const newWizardState = {
					isActive: tabWizardState.isActive,
					isWaiting: tabWizardState.isWaiting,
					mode: tabWizardState.mode === 'ask' ? 'new' : tabWizardState.mode, // Map 'ask' to 'new' for session state
					goal: tabWizardState.goal ?? undefined,
					confidence: tabWizardState.confidence,
					ready: tabWizardState.ready,
					conversationHistory: tabWizardState.conversationHistory.map((msg) => ({
						id: msg.id,
						role: msg.role,
						content: msg.content,
						timestamp: msg.timestamp,
						confidence: msg.confidence,
						ready: msg.ready,
					})),
					previousUIState: tabWizardState.previousUIState ?? {
						readOnlyMode: false,
						saveToHistory: true,
						showThinking: 'off',
					},
					error: tabWizardState.error,
					isGeneratingDocs: tabWizardState.isGeneratingDocs,
					generatedDocuments: tabWizardState.generatedDocuments.map((doc) => ({
						filename: doc.filename,
						content: doc.content,
						taskCount: doc.taskCount,
						savedPath: doc.savedPath,
					})),
					streamingContent: tabWizardState.streamingContent,
					currentDocumentIndex: tabWizardState.currentDocumentIndex,
					currentGeneratingIndex: tabWizardState.generationProgress?.current,
					totalDocuments: tabWizardState.generationProgress?.total,
					autoRunFolderPath: tabWizardState.projectPath
						? `${tabWizardState.projectPath}/Auto Run Docs`
						: undefined,
					// Full path to subfolder where documents are saved (e.g., "/path/Auto Run Docs/Maestro-Marketing")
					subfolderPath: tabWizardState.subfolderPath ?? undefined,
					agentSessionId: tabWizardState.agentSessionId ?? undefined,
					// Track the subfolder name for tab naming after wizard completes
					subfolderName: tabWizardState.subfolderName ?? undefined,
					// Preserve thinking state from LATEST state (inside updater) to avoid stale closure
					showWizardThinking: latestWizardState?.showWizardThinking ?? false,
					thinkingContent: latestWizardState?.thinkingContent ?? '',
				};

				return {
					...s,
					aiTabs: s.aiTabs.map((tab) =>
						tab.id === activeTabId ? { ...tab, wizardState: newWizardState } : tab
					),
				};
			})
		);
	}, [
		activeSession?.id,
		activeSession?.activeTabId,
		// getInlineWizardStateForTab changes when tabStates Map changes (new wizard state for any tab)
		// This ensures we re-sync when the active tab's wizard state changes
		getInlineWizardStateForTab,
		setSessions,
	]);

	// Handler for the built-in /history command
	// Requests a synopsis from the current agent session and saves to history
	const handleHistoryCommand = useCallback(async () => {
		if (!activeSession) {
			console.warn('[handleHistoryCommand] No active session');
			return;
		}

		const activeTab = getActiveTab(activeSession);
		const agentSessionId = activeTab?.agentSessionId;

		if (!agentSessionId) {
			// No agent session yet - show error log
			const errorLog: LogEntry = {
				id: generateId(),
				timestamp: Date.now(),
				source: 'system',
				text: 'No active agent session. Start a conversation first before using /history.',
			};
			addLogToActiveTab(activeSession.id, errorLog);
			return;
		}

		// Show a pending log entry while synopsis is being generated
		const pendingLog: LogEntry = {
			id: generateId(),
			timestamp: Date.now(),
			source: 'system',
			text: 'Generating history synopsis...',
		};
		addLogToActiveTab(activeSession.id, pendingLog);

		try {
			// Build dynamic prompt based on whether there's a previous synopsis timestamp
			// This ensures the AI only summarizes work since the last synopsis
			let synopsisPrompt: string;
			if (activeTab.lastSynopsisTime) {
				const timeAgo = formatRelativeTime(activeTab.lastSynopsisTime);
				synopsisPrompt = `${autorunSynopsisPrompt}\n\nIMPORTANT: Only synopsize work done since the last synopsis (${timeAgo}). Do not repeat previous work.`;
			} else {
				synopsisPrompt = autorunSynopsisPrompt;
			}
			const synopsisTime = Date.now(); // Capture time for updating lastSynopsisTime

			// Request synopsis from the agent
			const result = await spawnBackgroundSynopsis(
				activeSession.id,
				activeSession.cwd,
				agentSessionId,
				synopsisPrompt,
				activeSession.toolType,
				{
					customPath: activeSession.customPath,
					customArgs: activeSession.customArgs,
					customEnvVars: activeSession.customEnvVars,
					customModel: activeSession.customModel,
					customContextWindow: activeSession.customContextWindow,
					sessionSshRemoteConfig: activeSession.sessionSshRemoteConfig,
				}
			);

			if (result.success && result.response) {
				// Parse the synopsis response
				const parsed = parseSynopsis(result.response);

				// Check if AI indicated nothing meaningful to report
				if (parsed.nothingToReport) {
					// Update the pending log to indicate nothing to report
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== activeSession.id) return s;
							return {
								...s,
								aiTabs: s.aiTabs.map((tab) => {
									if (tab.id !== activeTab.id) return tab;
									return {
										...tab,
										logs: tab.logs.map((log) =>
											log.id === pendingLog.id
												? {
														...log,
														text: 'Nothing to report - no history entry created.',
													}
												: log
										),
									};
								}),
							};
						})
					);
					return;
				}

				// Get group info for the history entry
				const group = groups.find((g) => g.id === activeSession.groupId);
				const groupName = group?.name || 'Ungrouped';

				// Calculate elapsed time since last synopsis (or tab creation if no previous synopsis)
				const elapsedTimeMs = activeTab.lastSynopsisTime
					? synopsisTime - activeTab.lastSynopsisTime
					: synopsisTime - activeTab.createdAt;

				// Add to history
				addHistoryEntry({
					type: 'AUTO',
					summary: parsed.shortSummary,
					fullResponse: parsed.fullSynopsis,
					agentSessionId: agentSessionId,
					sessionId: activeSession.id,
					projectPath: activeSession.cwd,
					sessionName: activeTab.name || undefined,
					usageStats: result.usageStats,
					elapsedTimeMs,
				});

				// Update the pending log with success AND set lastSynopsisTime
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== activeSession.id) return s;
						return {
							...s,
							aiTabs: s.aiTabs.map((tab) => {
								if (tab.id !== activeTab.id) return tab;
								return {
									...tab,
									lastSynopsisTime: synopsisTime, // Track when this synopsis was generated
									logs: tab.logs.map((log) =>
										log.id === pendingLog.id
											? {
													...log,
													text: `Synopsis saved to history: ${parsed.shortSummary}`,
												}
											: log
									),
								};
							}),
						};
					})
				);

				// Show toast
				addToast({
					type: 'success',
					title: 'History Entry Added',
					message: parsed.shortSummary,
					group: groupName,
					project: activeSession.name,
					sessionId: activeSession.id,
					tabId: activeTab.id,
					tabName: activeTab.name || undefined,
				});
			} else {
				// Synopsis generation failed
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== activeSession.id) return s;
						return {
							...s,
							aiTabs: s.aiTabs.map((tab) => {
								if (tab.id !== activeTab.id) return tab;
								return {
									...tab,
									logs: tab.logs.map((log) =>
										log.id === pendingLog.id
											? {
													...log,
													text: 'Failed to generate history synopsis. Try again.',
												}
											: log
									),
								};
							}),
						};
					})
				);
			}
		} catch (error) {
			console.error('[handleHistoryCommand] Error:', error);
			// Update the pending log with error
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) => {
							if (tab.id !== activeTab.id) return tab;
							return {
								...tab,
								logs: tab.logs.map((log) =>
									log.id === pendingLog.id
										? {
												...log,
												text: `Error generating synopsis: ${(error as Error).message}`,
											}
										: log
								),
							};
						}),
					};
				})
			);
		}
	}, [
		activeSession,
		groups,
		spawnBackgroundSynopsis,
		addHistoryEntry,
		addLogToActiveTab,
		setSessions,
		addToast,
	]);

	// Handler for the built-in /skills command (Claude Code only)
	// Lists available skills from .claude/skills/ directories
	const handleSkillsCommand = useCallback(async () => {
		if (!activeSession) {
			console.warn('[handleSkillsCommand] No active session');
			return;
		}

		if (activeSession.toolType !== 'claude-code') {
			console.warn('[handleSkillsCommand] Skills command only available for Claude Code');
			return;
		}

		const activeTab = getActiveTab(activeSession);
		if (!activeTab) {
			console.warn('[handleSkillsCommand] No active tab');
			return;
		}

		try {
			// Add user log entry showing the /skills command was requested
			const userLog: LogEntry = {
				id: generateId(),
				timestamp: Date.now(),
				source: 'user',
				text: '/skills',
			};
			addLogToActiveTab(activeSession.id, userLog);

			// Fetch skills from the IPC handler
			const skills = await window.maestro.claude.getSkills(activeSession.projectRoot);

			// Format skills as a markdown table
			let skillsMessage: string;
			if (skills.length === 0) {
				skillsMessage =
					'## Skills\n\nNo Claude Code skills were found in this project.\n\nTo add skills, create `.claude/skills/<skill-name>/skill.md` files in your project.';
			} else {
				const formatTokenCount = (tokens: number): string => {
					if (tokens >= 1000) {
						return `~${(tokens / 1000).toFixed(1)}k`;
					}
					return `~${tokens}`;
				};

				const projectSkills = skills.filter((s) => s.source === 'project');
				const userSkills = skills.filter((s) => s.source === 'user');

				const lines: string[] = [
					`## Skills`,
					'',
					`${skills.length} skill${skills.length !== 1 ? 's' : ''} available`,
					'',
				];

				if (projectSkills.length > 0) {
					lines.push('### Project Skills');
					lines.push('');
					lines.push('| Skill | Tokens | Description |');
					lines.push('|-------|--------|-------------|');
					for (const skill of projectSkills) {
						const desc =
							skill.description && skill.description !== 'No description' ? skill.description : '—';
						lines.push(`| **${skill.name}** | ${formatTokenCount(skill.tokenCount)} | ${desc} |`);
					}
					lines.push('');
				}

				if (userSkills.length > 0) {
					lines.push('### User Skills');
					lines.push('');
					lines.push('| Skill | Tokens | Description |');
					lines.push('|-------|--------|-------------|');
					for (const skill of userSkills) {
						const desc =
							skill.description && skill.description !== 'No description' ? skill.description : '—';
						lines.push(`| **${skill.name}** | ${formatTokenCount(skill.tokenCount)} | ${desc} |`);
					}
				}

				skillsMessage = lines.join('\n');
			}

			// Add the skills listing as a system log entry
			const skillsLog: LogEntry = {
				id: generateId(),
				timestamp: Date.now(),
				source: 'system',
				text: skillsMessage,
			};
			addLogToActiveTab(activeSession.id, skillsLog);
		} catch (error) {
			console.error('[handleSkillsCommand] Error:', error);
			const errorLog: LogEntry = {
				id: generateId(),
				timestamp: Date.now(),
				source: 'system',
				text: `Error listing skills: ${(error as Error).message}`,
			};
			addLogToActiveTab(activeSession.id, errorLog);
		}
	}, [activeSession, addLogToActiveTab]);

	// Handler for the built-in /wizard command
	// Starts the inline wizard for creating/iterating on Auto Run documents
	const handleWizardCommand = useCallback(
		(args: string) => {
			if (!activeSession) {
				console.warn('[handleWizardCommand] No active session');
				return;
			}

			const activeTab = getActiveTab(activeSession);
			if (!activeTab) {
				console.warn('[handleWizardCommand] No active tab');
				return;
			}

			// Capture current UI state for restoration when wizard ends
			const currentUIState: PreviousUIState = {
				readOnlyMode: activeTab.readOnlyMode ?? false,
				saveToHistory: activeTab.saveToHistory ?? true,
				showThinking: activeTab.showThinking ?? 'off',
			};

			// Start the inline wizard with the argument text (natural language input)
			// The wizard will use the intent parser to determine mode (new/iterate/ask)
			startInlineWizard(
				args || undefined,
				currentUIState,
				activeSession.projectRoot || activeSession.cwd, // Project path for Auto Run folder detection
				activeSession.toolType, // Agent type for AI conversation
				activeSession.name, // Session/project name
				activeTab.id, // Tab ID for per-tab isolation
				activeSession.id, // Session ID for playbook creation
				activeSession.autoRunFolderPath, // User-configured Auto Run folder path (if set)
				activeSession.sessionSshRemoteConfig, // SSH remote config for remote execution
				conductorProfile // Conductor profile (user's About Me from settings)
			);

			// Rename the tab to "Wizard" immediately when wizard starts
			// This provides visual feedback that wizard mode is active
			// The tab will be renamed again on completion if a subfolder is chosen
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) =>
							tab.id === activeTab.id ? { ...tab, name: 'Wizard' } : tab
						),
					};
				})
			);

			// Show a system log entry indicating wizard started
			const wizardLog: LogEntry = {
				id: generateId(),
				timestamp: Date.now(),
				source: 'system',
				text: args
					? `Starting wizard with: "${args}"`
					: 'Starting wizard for Auto Run documents...',
			};
			addLogToActiveTab(activeSession.id, wizardLog);
		},
		[activeSession, startInlineWizard, addLogToActiveTab, conductorProfile]
	);

	// Launch wizard in a new tab - triggered from Auto Run panel button
	const handleLaunchWizardTab = useCallback(() => {
		if (!activeSession) {
			console.warn('[handleLaunchWizardTab] No active session');
			return;
		}

		// Create a new tab first
		const result = createTab(activeSession, {
			name: 'Wizard',
			saveToHistory: defaultSaveToHistory,
			showThinking: defaultShowThinking,
		});
		if (!result) {
			console.warn('[handleLaunchWizardTab] Failed to create new tab');
			return;
		}

		const newTab = result.tab;
		const updatedSession = result.session;

		// Update sessions with new tab and switch to it
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;
				return {
					...updatedSession,
					activeTabId: newTab.id,
				};
			})
		);

		// Capture UI state for the new tab (defaults since it's a fresh tab)
		const currentUIState: PreviousUIState = {
			readOnlyMode: false,
			saveToHistory: defaultSaveToHistory,
			showThinking: defaultShowThinking,
		};

		// Start the inline wizard in the new tab
		// Use setTimeout to ensure state is updated before starting wizard
		setTimeout(() => {
			startInlineWizard(
				undefined, // No args - start fresh
				currentUIState,
				activeSession.projectRoot || activeSession.cwd,
				activeSession.toolType,
				activeSession.name,
				newTab.id,
				activeSession.id,
				activeSession.autoRunFolderPath, // User-configured Auto Run folder path (if set)
				activeSession.sessionSshRemoteConfig, // SSH remote config for remote execution
				conductorProfile // Conductor profile (user's About Me from settings)
			);

			// Show a system log entry
			const wizardLog = {
				source: 'system' as const,
				text: 'Starting wizard for Auto Run documents...',
			};
			addLogToTab(activeSession.id, wizardLog, newTab.id);
		}, 0);
	}, [
		activeSession,
		createTab,
		defaultSaveToHistory,
		defaultShowThinking,
		startInlineWizard,
		addLogToTab,
		conductorProfile,
	]);

	// Determine if wizard is active for the current tab
	// We need to check both the context state and that we're on the wizard's tab
	// IMPORTANT: Include activeSession?.activeTabId in deps to recompute when user switches tabs
	const isWizardActiveForCurrentTab = useMemo(() => {
		if (!activeSession || !inlineWizardActive) return false;
		const activeTab = getActiveTab(activeSession);
		return activeTab?.id === inlineWizardTabId;
	}, [activeSession, activeSession?.activeTabId, inlineWizardActive, inlineWizardTabId]);

	// Input processing hook - handles sending messages and commands
	const { processInput, processInputRef: _hookProcessInputRef } = useInputProcessing({
		activeSession,
		activeSessionId,
		setSessions,
		inputValue,
		setInputValue,
		stagedImages,
		setStagedImages,
		inputRef,
		customAICommands: allCustomCommands, // Use combined custom + speckit commands
		setSlashCommandOpen,
		syncAiInputToSession,
		syncTerminalInputToSession,
		isAiMode,
		sessionsRef,
		getBatchState,
		activeBatchRunState,
		processQueuedItemRef,
		flushBatchedUpdates: batchedUpdater.flushNow,
		onHistoryCommand: handleHistoryCommand,
		onWizardCommand: handleWizardCommand,
		onWizardSendMessage: sendWizardMessageWithThinking,
		isWizardActive: isWizardActiveForCurrentTab,
		onSkillsCommand: handleSkillsCommand,
		automaticTabNamingEnabled,
		conductorProfile,
	});

	// Auto-send context when a tab with autoSendOnActivate becomes active
	// PERF: Sync processInputRef from hook to our local ref for use in memoized callbacks
	useEffect(() => {
		processInputRef.current = processInput;
	}, [processInput]);

	// This is used by context transfer to automatically send the transferred context to the agent
	useEffect(() => {
		if (!activeSession) return;

		const activeTab = getActiveTab(activeSession);
		if (!activeTab?.autoSendOnActivate) return;

		// Clear the flag first to prevent multiple sends
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((tab) =>
						tab.id === activeTab.id ? { ...tab, autoSendOnActivate: false } : tab
					),
				};
			})
		);

		// Trigger the send after a short delay to ensure state is settled
		// The inputValue and pendingMergedContext are already set on the tab
		setTimeout(() => {
			processInput();
		}, 100);
	}, [activeSession?.id, activeSession?.activeTabId]);

	// Initialize activity tracker for per-session time tracking
	useActivityTracker(activeSessionId, setSessions);

	// Initialize global hands-on time tracker (persists to settings)
	// Tracks total time user spends actively using Maestro (5-minute idle timeout)
	useHandsOnTimeTracker(updateGlobalStats);

	// Track elapsed time for active auto-runs and update achievement stats every minute
	// This allows badges to be unlocked during an auto-run, not just when it completes
	const autoRunProgressRef = useRef<{ lastUpdateTime: number }>({
		lastUpdateTime: 0,
	});

	useEffect(() => {
		// Only set up timer if there are active batch runs
		if (activeBatchSessionIds.length === 0) {
			autoRunProgressRef.current.lastUpdateTime = 0;
			return;
		}

		// Initialize last update time on first active run
		if (autoRunProgressRef.current.lastUpdateTime === 0) {
			autoRunProgressRef.current.lastUpdateTime = Date.now();
		}

		// Set up interval to update progress every minute
		const intervalId = setInterval(() => {
			const now = Date.now();
			const elapsedMs = now - autoRunProgressRef.current.lastUpdateTime;
			autoRunProgressRef.current.lastUpdateTime = now;

			// Multiply by number of concurrent sessions so each active Auto Run contributes its time
			// e.g., 2 sessions running for 1 minute = 2 minutes toward cumulative achievement time
			const deltaMs = elapsedMs * activeBatchSessionIds.length;

			// Update achievement stats with the delta
			const { newBadgeLevel } = updateAutoRunProgress(deltaMs);

			// If a new badge was unlocked during the run, show standing ovation
			if (newBadgeLevel !== null) {
				const badge = CONDUCTOR_BADGES.find((b) => b.level === newBadgeLevel);
				if (badge) {
					setStandingOvationData({
						badge,
						isNewRecord: false, // Record is determined at completion
						recordTimeMs: autoRunStats.longestRunMs,
					});
				}
			}
		}, 60000); // Every 60 seconds

		return () => {
			clearInterval(intervalId);
		};
	}, [activeBatchSessionIds.length, updateAutoRunProgress, autoRunStats.longestRunMs]);

	// Track peak usage stats for achievements image
	useEffect(() => {
		// Count current active agents (non-terminal sessions)
		const activeAgents = sessions.filter((s) => s.toolType !== 'terminal').length;

		// Count busy sessions (currently processing)
		const busySessions = sessions.filter((s) => s.state === 'busy').length;

		// Count auto-run sessions (sessions with active batch runs)
		const autoRunSessions = activeBatchSessionIds.length;

		// Count total queue depth across all sessions
		const totalQueueDepth = sessions.reduce((sum, s) => sum + (s.executionQueue?.length || 0), 0);

		// Update usage stats (only updates if new values are higher)
		updateUsageStats({
			maxAgents: activeAgents,
			maxDefinedAgents: activeAgents, // Same as active agents for now
			maxSimultaneousAutoRuns: autoRunSessions,
			maxSimultaneousQueries: busySessions,
			maxQueueDepth: totalQueueDepth,
		});
	}, [sessions, activeBatchSessionIds, updateUsageStats]);

	// Memoize worktree config key to avoid complex expression in dependency array
	const worktreeConfigKey = useMemo(
		() =>
			sessions
				.map((s) => `${s.id}:${s.worktreeConfig?.basePath}:${s.worktreeConfig?.watchEnabled}`)
				.join(','),
		[sessions]
	);

	// File watcher for worktree directories - provides immediate detection
	// This is more efficient than polling and gives real-time results
	useEffect(() => {
		// Find sessions that have worktreeConfig with watchEnabled
		const watchableSessions = sessions.filter(
			(s) => s.worktreeConfig?.basePath && s.worktreeConfig?.watchEnabled
		);

		// Start watchers for each session
		for (const session of watchableSessions) {
			window.maestro.git.watchWorktreeDirectory(session.id, session.worktreeConfig!.basePath);
		}

		// Set up listener for discovered worktrees
		const cleanup = window.maestro.git.onWorktreeDiscovered(async (data) => {
			const { sessionId, worktree } = data;

			// Skip main/master/HEAD branches (already filtered by main process, but double-check)
			if (
				worktree.branch === 'main' ||
				worktree.branch === 'master' ||
				worktree.branch === 'HEAD'
			) {
				return;
			}

			// Get current sessions to check for duplicates
			const currentSessions = sessionsRef.current;

			// Find the parent session
			const parentSession = currentSessions.find((s) => s.id === sessionId);
			if (!parentSession) return;

			// Check if session already exists for this worktree
			// Normalize paths for comparison (remove trailing slashes)
			const normalizedWorktreePath = worktree.path.replace(/\/+$/, '');
			const existingSession = currentSessions.find((s) => {
				const normalizedCwd = s.cwd.replace(/\/+$/, '');
				// Check if same path (regardless of parent) or same branch under same parent
				return (
					normalizedCwd === normalizedWorktreePath ||
					(s.parentSessionId === sessionId && s.worktreeBranch === worktree.branch)
				);
			});
			if (existingSession) return;

			// Create new worktree session
			const newId = generateId();
			const initialTabId = generateId();
			const initialTab: AITab = {
				id: initialTabId,
				agentSessionId: null,
				name: null,
				starred: false,
				logs: [],
				inputValue: '',
				stagedImages: [],
				createdAt: Date.now(),
				state: 'idle',
				saveToHistory: defaultSaveToHistory,
				showThinking: defaultShowThinking,
			};

			// Get SSH remote ID for remote git operations
			const sshRemoteId =
				parentSession.sshRemoteId || parentSession.sessionSshRemoteConfig?.remoteId || undefined;

			// Fetch git info (via SSH for remote sessions)
			let gitBranches: string[] | undefined;
			let gitTags: string[] | undefined;
			let gitRefsCacheTime: number | undefined;

			try {
				[gitBranches, gitTags] = await Promise.all([
					gitService.getBranches(worktree.path, sshRemoteId),
					gitService.getTags(worktree.path, sshRemoteId),
				]);
				gitRefsCacheTime = Date.now();
			} catch {
				// Ignore errors
			}

			const worktreeSession: Session = {
				id: newId,
				name: worktree.branch || worktree.name,
				groupId: parentSession.groupId, // Inherit group from parent
				toolType: parentSession.toolType,
				state: 'idle',
				cwd: worktree.path,
				fullPath: worktree.path,
				projectRoot: worktree.path,
				isGitRepo: true,
				gitBranches,
				gitTags,
				gitRefsCacheTime,
				parentSessionId: sessionId,
				worktreeBranch: worktree.branch || undefined,
				aiLogs: [],
				shellLogs: [
					{
						id: generateId(),
						timestamp: Date.now(),
						source: 'system',
						text: 'Worktree Session Ready.',
					},
				],
				workLog: [],
				contextUsage: 0,
				inputMode: parentSession.toolType === 'terminal' ? 'terminal' : 'ai',
				aiPid: 0,
				terminalPid: 0,
				port: 3000 + Math.floor(Math.random() * 100),
				isLive: false,
				changedFiles: [],
				fileTree: [],
				fileExplorerExpanded: [],
				fileExplorerScrollPos: 0,
				fileTreeAutoRefreshInterval: 180,
				shellCwd: worktree.path,
				aiCommandHistory: [],
				shellCommandHistory: [],
				executionQueue: [],
				activeTimeMs: 0,
				aiTabs: [initialTab],
				activeTabId: initialTabId,
				closedTabHistory: [],
				filePreviewTabs: [],
				activeFileTabId: null,
				unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
				unifiedClosedTabHistory: [],
				customPath: parentSession.customPath,
				customArgs: parentSession.customArgs,
				customEnvVars: parentSession.customEnvVars,
				customModel: parentSession.customModel,
				customContextWindow: parentSession.customContextWindow,
				nudgeMessage: parentSession.nudgeMessage,
				autoRunFolderPath: parentSession.autoRunFolderPath,
				// Inherit SSH configuration from parent session
				sessionSshRemoteConfig: parentSession.sessionSshRemoteConfig,
			};

			setSessions((prev) => {
				// Double-check to avoid duplicates
				if (prev.some((s) => s.cwd === worktree.path)) return prev;
				return [...prev, worktreeSession];
			});

			// Expand parent's worktrees
			setSessions((prev) =>
				prev.map((s) => (s.id === sessionId ? { ...s, worktreesExpanded: true } : s))
			);

			addToast({
				type: 'success',
				title: 'New Worktree Discovered',
				message: worktree.branch || worktree.name,
			});
		});

		// Cleanup: stop watchers and remove listener
		return () => {
			cleanup();
			for (const session of watchableSessions) {
				window.maestro.git.unwatchWorktreeDirectory(session.id);
			}
		};
	}, [
		// Re-run when worktreeConfig changes on any session
		worktreeConfigKey,
		defaultSaveToHistory,
	]);

	// Legacy: Scanner for sessions using old worktreeParentPath
	// TODO: Remove after migration to new parent/child model (use worktreeConfig with file watchers instead)
	// PERFORMANCE: Only scan on app focus (visibility change) instead of continuous polling
	// This avoids blocking the main thread every 30 seconds during active use
	useEffect(() => {
		// Check if any sessions use the legacy worktreeParentPath model
		const hasLegacyWorktreeSessions = sessions.some((s) => s.worktreeParentPath);
		if (!hasLegacyWorktreeSessions) return;

		// Track if we're currently scanning to avoid overlapping scans
		let isScanning = false;

		const scanWorktreeParents = async () => {
			if (isScanning) return;
			isScanning = true;

			try {
				// Find sessions that have worktreeParentPath set (legacy model)
				const worktreeParentSessions = sessionsRef.current.filter((s) => s.worktreeParentPath);
				if (worktreeParentSessions.length === 0) return;

				// Collect all new sessions to add in a single batch (avoids stale closure issues)
				const newSessionsToAdd: Session[] = [];
				// Track paths we're about to add to avoid duplicates within this scan
				const pathsBeingAdded = new Set<string>();

				for (const session of worktreeParentSessions) {
					try {
						// Get SSH remote ID for parent session (check both runtime and config)
						const parentSshRemoteId =
							session.sshRemoteId || session.sessionSshRemoteConfig?.remoteId || undefined;
						const result = await window.maestro.git.scanWorktreeDirectory(
							session.worktreeParentPath!,
							parentSshRemoteId
						);
						const { gitSubdirs } = result;

						for (const subdir of gitSubdirs) {
							// Skip if this path was manually removed by the user (use ref for current value)
							const currentRemovedPaths = removedWorktreePathsRef.current;
							if (currentRemovedPaths.has(subdir.path)) {
								continue;
							}

							// Skip if session already exists (check current sessions via ref)
							const currentSessions = sessionsRef.current;
							const existingSession = currentSessions.find(
								(s) => s.cwd === subdir.path || s.projectRoot === subdir.path
							);
							if (existingSession) {
								continue;
							}

							// Skip if we're already adding this path in this scan batch
							if (pathsBeingAdded.has(subdir.path)) {
								continue;
							}

							// Found a new worktree - prepare session creation
							pathsBeingAdded.add(subdir.path);

							const sessionName = subdir.branch ? `${subdir.name} (${subdir.branch})` : subdir.name;

							const newId = generateId();
							const initialTabId = generateId();
							const initialTab: AITab = {
								id: initialTabId,
								agentSessionId: null,
								name: null,
								starred: false,
								logs: [],
								inputValue: '',
								stagedImages: [],
								createdAt: Date.now(),
								state: 'idle',
								saveToHistory: defaultSaveToHistory,
								showThinking: defaultShowThinking,
							};

							// Fetch git info (with SSH support)
							let gitBranches: string[] | undefined;
							let gitTags: string[] | undefined;
							let gitRefsCacheTime: number | undefined;

							try {
								[gitBranches, gitTags] = await Promise.all([
									gitService.getBranches(subdir.path, parentSshRemoteId),
									gitService.getTags(subdir.path, parentSshRemoteId),
								]);
								gitRefsCacheTime = Date.now();
							} catch {
								// Ignore errors
							}

							const newSession: Session = {
								id: newId,
								name: sessionName,
								groupId: session.groupId,
								toolType: session.toolType,
								state: 'idle',
								cwd: subdir.path,
								fullPath: subdir.path,
								projectRoot: subdir.path,
								isGitRepo: true,
								gitBranches,
								gitTags,
								gitRefsCacheTime,
								worktreeParentPath: session.worktreeParentPath,
								// Inherit SSH configuration from parent session
								sessionSshRemoteConfig: session.sessionSshRemoteConfig,
								aiLogs: [],
								shellLogs: [
									{
										id: generateId(),
										timestamp: Date.now(),
										source: 'system',
										text: 'Shell Session Ready.',
									},
								],
								workLog: [],
								contextUsage: 0,
								inputMode: session.inputMode,
								aiPid: 0,
								terminalPid: 0,
								port: 3000 + Math.floor(Math.random() * 100),
								isLive: false,
								changedFiles: [],
								fileTree: [],
								fileExplorerExpanded: [],
								fileExplorerScrollPos: 0,
								fileTreeAutoRefreshInterval: 180,
								shellCwd: subdir.path,
								aiCommandHistory: [],
								shellCommandHistory: [],
								executionQueue: [],
								activeTimeMs: 0,
								aiTabs: [initialTab],
								activeTabId: initialTabId,
								closedTabHistory: [],
								filePreviewTabs: [],
								activeFileTabId: null,
								unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
								unifiedClosedTabHistory: [],
								customPath: session.customPath,
								customArgs: session.customArgs,
								customEnvVars: session.customEnvVars,
								customModel: session.customModel,
							};

							newSessionsToAdd.push(newSession);
						}
					} catch (error) {
						console.error(`[WorktreeScanner] Error scanning ${session.worktreeParentPath}:`, error);
					}
				}

				// Add all new sessions in a single update (uses functional update to get fresh state)
				if (newSessionsToAdd.length > 0) {
					setSessions((prev) => {
						// Double-check against current state to avoid duplicates
						const currentPaths = new Set(prev.map((s) => s.cwd));
						const trulyNew = newSessionsToAdd.filter((s) => !currentPaths.has(s.cwd));
						if (trulyNew.length === 0) return prev;
						return [...prev, ...trulyNew];
					});

					for (const session of newSessionsToAdd) {
						addToast({
							type: 'success',
							title: 'New Worktree Discovered',
							message: session.name,
						});
					}
				}
			} finally {
				isScanning = false;
			}
		};

		// Scan once on mount
		scanWorktreeParents();

		// Scan when app regains focus (visibility change) instead of polling
		// This is much more efficient - only scans when user returns to app
		const handleVisibilityChange = () => {
			if (!document.hidden) {
				scanWorktreeParents();
			}
		};

		document.addEventListener('visibilitychange', handleVisibilityChange);

		return () => {
			document.removeEventListener('visibilitychange', handleVisibilityChange);
		};
	}, [sessions.some((s) => s.worktreeParentPath), defaultSaveToHistory]); // Only re-run when legacy sessions exist/don't exist

	// Handler to open batch runner modal
	const handleOpenBatchRunner = useCallback(() => {
		setBatchRunnerModalOpen(true);
	}, []);

	// Handler to open marketplace modal
	const handleOpenMarketplace = useCallback(() => {
		setMarketplaceModalOpen(true);
	}, [setMarketplaceModalOpen]);

	// Handler for switching to autorun tab - shows setup modal if no folder configured
	const handleSetActiveRightTab = useCallback(
		(tab: RightPanelTab) => {
			if (tab === 'autorun' && activeSession && !activeSession.autoRunFolderPath) {
				// No folder configured - show setup modal
				setAutoRunSetupModalOpen(true);
				// Still switch to the tab (it will show an empty state or the modal)
				setActiveRightTab(tab);
			} else {
				setActiveRightTab(tab);
			}
		},
		[activeSession]
	);

	// Auto Run handlers (extracted to useAutoRunHandlers hook)
	const {
		handleAutoRunFolderSelected,
		handleStartBatchRun,
		getDocumentTaskCount,
		handleAutoRunContentChange,
		handleAutoRunModeChange,
		handleAutoRunStateChange,
		handleAutoRunSelectDocument,
		handleAutoRunRefresh,
		handleAutoRunOpenSetup,
		handleAutoRunCreateDocument,
	} = useAutoRunHandlers(activeSession, {
		setSessions,
		setAutoRunDocumentList,
		setAutoRunDocumentTree,
		setAutoRunIsLoadingDocuments,
		setAutoRunSetupModalOpen,
		setBatchRunnerModalOpen,
		setActiveRightTab,
		setRightPanelOpen,
		setActiveFocus,
		setSuccessFlashNotification,
		autoRunDocumentList,
		startBatchRun,
	});

	// Handler for marketplace import completion - refresh document list
	const handleMarketplaceImportComplete = useCallback(
		async (folderName: string) => {
			// Refresh the Auto Run document list to show newly imported documents
			if (activeSession?.autoRunFolderPath) {
				handleAutoRunRefresh();
			}
			addToast({
				type: 'success',
				title: 'Playbook Imported',
				message: `Successfully imported playbook to ${folderName}`,
			});
		},
		[activeSession?.autoRunFolderPath, handleAutoRunRefresh, addToast]
	);

	// File tree auto-refresh interval change handler (kept in App.tsx as it's not Auto Run specific)
	const handleAutoRefreshChange = useCallback(
		(interval: number) => {
			if (!activeSession) return;
			setSessions((prev) =>
				prev.map((s) =>
					s.id === activeSession.id ? { ...s, fileTreeAutoRefreshInterval: interval } : s
				)
			);
		},
		[activeSession]
	);

	// Handler to stop batch run (with confirmation)
	// If targetSessionId is provided, stops that specific session's batch run.
	// Otherwise, stops the first active batch run or falls back to active session.
	const handleStopBatchRun = useCallback(
		(targetSessionId?: string) => {
			// Use provided targetSessionId, or fall back to first active batch, or active session
			const sessionId =
				targetSessionId ??
				(activeBatchSessionIds.length > 0 ? activeBatchSessionIds[0] : activeSession?.id);
			console.log(
				'[App:handleStopBatchRun] targetSessionId:',
				targetSessionId,
				'resolved sessionId:',
				sessionId
			);
			if (!sessionId) return;
			const session = sessions.find((s) => s.id === sessionId);
			const agentName = session?.name || 'this session';
			setConfirmModalMessage(`Stop Auto Run for "${agentName}" after the current task completes?`);
			setConfirmModalOnConfirm(() => () => {
				console.log(
					'[App:handleStopBatchRun] Confirmation callback executing for sessionId:',
					sessionId
				);
				stopBatchRun(sessionId);
			});
			setConfirmModalOpen(true);
		},
		[activeBatchSessionIds, activeSession, sessions, stopBatchRun]
	);

	// Error handling callbacks for Auto Run (Phase 5.10)
	const handleSkipCurrentDocument = useCallback(() => {
		const sessionId =
			activeBatchSessionIds.length > 0 ? activeBatchSessionIds[0] : activeSession?.id;
		if (!sessionId) return;
		skipCurrentDocument(sessionId);
		// Clear the session error state as well
		handleClearAgentError(sessionId);
	}, [activeBatchSessionIds, activeSession, skipCurrentDocument, handleClearAgentError]);

	const handleResumeAfterError = useCallback(() => {
		const sessionId =
			activeBatchSessionIds.length > 0 ? activeBatchSessionIds[0] : activeSession?.id;
		if (!sessionId) return;
		resumeAfterError(sessionId);
		// Clear the session error state as well
		handleClearAgentError(sessionId);
	}, [activeBatchSessionIds, activeSession, resumeAfterError, handleClearAgentError]);

	const handleAbortBatchOnError = useCallback(() => {
		const sessionId =
			activeBatchSessionIds.length > 0 ? activeBatchSessionIds[0] : activeSession?.id;
		if (!sessionId) return;
		abortBatchOnError(sessionId);
		// Clear the session error state as well
		handleClearAgentError(sessionId);
	}, [activeBatchSessionIds, activeSession, abortBatchOnError, handleClearAgentError]);

	// Handler for toast navigation - switches to session and optionally to a specific tab
	const handleToastSessionClick = useCallback(
		(sessionId: string, tabId?: string) => {
			// Switch to the session
			setActiveSessionId(sessionId);
			// Clear file preview and switch to AI tab (with specific tab if provided)
			// This ensures clicking a toast always shows the AI terminal, not a file preview
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== sessionId) return s;
					// If a specific tab ID is provided, check if it exists
					if (tabId && !s.aiTabs?.some((t) => t.id === tabId)) {
						// Tab doesn't exist, just clear file preview
						return { ...s, activeFileTabId: null, inputMode: 'ai' };
					}
					return {
						...s,
						...(tabId && { activeTabId: tabId }),
						activeFileTabId: null,
						inputMode: 'ai',
					};
				})
			);
		},
		[setActiveSessionId]
	);

	// Handler to open lightbox with optional context images for navigation
	// source: 'staged' allows deletion, 'history' is read-only
	const handleSetLightboxImage = useCallback(
		(image: string | null, contextImages?: string[], source: 'staged' | 'history' = 'history') => {
			// Capture state SYNCHRONOUSLY in refs before any state updates
			// This ensures values are available immediately when the component re-renders
			// React batches state updates, so refs are more reliable for immediate access
			lightboxIsGroupChatRef.current = activeGroupChatId !== null;
			lightboxAllowDeleteRef.current = source === 'staged';

			setLightboxImage(image);
			setLightboxImages(contextImages || []);
			setLightboxSource(source);
		},
		[activeGroupChatId]
	);

	// --- GROUP CHAT HANDLERS ---

	const handleOpenGroupChat = useCallback(
		async (id: string) => {
			const chat = await window.maestro.groupChat.load(id);
			if (chat) {
				setActiveGroupChatId(id);
				const messages = await window.maestro.groupChat.getMessages(id);
				setGroupChatMessages(messages);

				// Restore the state for this specific chat from the per-chat state map
				// This prevents state from one chat bleeding into another when switching
				setGroupChatState((_prev) => {
					const savedState = groupChatStates.get(id);
					return savedState ?? 'idle';
				});

				// Restore participant states for this chat
				const savedParticipantStates = allGroupChatParticipantStates.get(id);
				console.log(
					`[GroupChat:UI] handleOpenGroupChat: restoring participantStates for ${id}: ${
						savedParticipantStates ? JSON.stringify([...savedParticipantStates.entries()]) : 'none'
					}`
				);
				setParticipantStates(savedParticipantStates ?? new Map());

				// Load saved right tab preference for this group chat
				const savedTab = await window.maestro.settings.get(`groupChatRightTab:${id}`);
				if (savedTab === 'participants' || savedTab === 'history') {
					setGroupChatRightTab(savedTab);
				} else {
					setGroupChatRightTab('participants'); // Default
				}

				// Start moderator if not running - this initializes the session ID prefix
				const moderatorSessionId = await window.maestro.groupChat.startModerator(id);
				// Update the group chat state with the moderator session ID
				if (moderatorSessionId) {
					setGroupChats((prev) =>
						prev.map((c) => (c.id === id ? { ...c, moderatorSessionId } : c))
					);
				}

				// Focus the input after the component renders
				setTimeout(() => {
					setActiveFocus('main');
					groupChatInputRef.current?.focus();
				}, 100);
			}
		},
		[groupChatStates, allGroupChatParticipantStates]
	);

	const handleCloseGroupChat = useCallback(() => {
		setActiveGroupChatId(null);
		setGroupChatMessages([]);
		setGroupChatState('idle');
		setParticipantStates(new Map());
		setGroupChatError(null);
	}, []);

	// Handle right panel tab change with persistence
	const handleGroupChatRightTabChange = useCallback(
		(tab: GroupChatRightTab) => {
			setGroupChatRightTab(tab);
			if (activeGroupChatId) {
				window.maestro.settings.set(`groupChatRightTab:${activeGroupChatId}`, tab);
			}
		},
		[activeGroupChatId]
	);

	// Jump to a message in the group chat by timestamp
	const handleJumpToGroupChatMessage = useCallback((timestamp: number) => {
		// Use the messages ref to scroll to the target message
		groupChatMessagesRef.current?.scrollToMessage(timestamp);
	}, []);

	// Open the moderator session in the direct agent view
	const handleOpenModeratorSession = useCallback(
		(moderatorSessionId: string) => {
			// Find the session that has this agent session ID
			const session = sessions.find((s) =>
				s.aiTabs?.some((tab) => tab.agentSessionId === moderatorSessionId)
			);

			if (session) {
				// Close group chat
				setActiveGroupChatId(null);
				setGroupChatMessages([]);
				setGroupChatState('idle');
				setParticipantStates(new Map());

				// Set the session as active
				setActiveSessionId(session.id);

				// Find and activate the tab with this agent session ID
				const tab = session.aiTabs?.find((t) => t.agentSessionId === moderatorSessionId);
				if (tab) {
					setSessions((prev) =>
						prev.map((s) => (s.id === session.id ? { ...s, activeTabId: tab.id } : s))
					);
				}
			}
		},
		[sessions, setActiveSessionId]
	);

	const handleCreateGroupChat = useCallback(
		async (
			name: string,
			moderatorAgentId: string,
			moderatorConfig?: {
				customPath?: string;
				customArgs?: string;
				customEnvVars?: Record<string, string>;
				customModel?: string;
			}
		) => {
			const chat = await window.maestro.groupChat.create(name, moderatorAgentId, moderatorConfig);
			setGroupChats((prev) => [chat, ...prev]);
			setShowNewGroupChatModal(false);
			handleOpenGroupChat(chat.id);
		},
		[handleOpenGroupChat]
	);

	const handleDeleteGroupChat = useCallback(
		async (id: string) => {
			await window.maestro.groupChat.delete(id);
			setGroupChats((prev) => prev.filter((c) => c.id !== id));
			if (activeGroupChatId === id) {
				handleCloseGroupChat();
			}
			setShowDeleteGroupChatModal(null);
		},
		[activeGroupChatId, handleCloseGroupChat]
	);

	const handleRenameGroupChat = useCallback(async (id: string, newName: string) => {
		await window.maestro.groupChat.rename(id, newName);
		setGroupChats((prev) => prev.map((c) => (c.id === id ? { ...c, name: newName } : c)));
		setShowRenameGroupChatModal(null);
	}, []);

	const handleUpdateGroupChat = useCallback(
		async (
			id: string,
			name: string,
			moderatorAgentId: string,
			moderatorConfig?: {
				customPath?: string;
				customArgs?: string;
				customEnvVars?: Record<string, string>;
			}
		) => {
			const updated = await window.maestro.groupChat.update(id, {
				name,
				moderatorAgentId,
				moderatorConfig,
			});
			setGroupChats((prev) => prev.map((c) => (c.id === id ? updated : c)));
			setShowEditGroupChatModal(null);
		},
		[]
	);

	// --- GROUP CHAT MODAL HANDLERS ---
	// Stable callback handlers for AppGroupChatModals component
	const handleCloseNewGroupChatModal = useCallback(() => setShowNewGroupChatModal(false), []);
	const handleCloseDeleteGroupChatModal = useCallback(() => setShowDeleteGroupChatModal(null), []);
	const handleConfirmDeleteGroupChat = useCallback(() => {
		if (showDeleteGroupChatModal) {
			handleDeleteGroupChat(showDeleteGroupChatModal);
		}
	}, [showDeleteGroupChatModal, handleDeleteGroupChat]);
	const handleCloseRenameGroupChatModal = useCallback(() => setShowRenameGroupChatModal(null), []);
	const handleRenameGroupChatFromModal = useCallback(
		(newName: string) => {
			if (showRenameGroupChatModal) {
				handleRenameGroupChat(showRenameGroupChatModal, newName);
			}
		},
		[showRenameGroupChatModal, handleRenameGroupChat]
	);
	const handleCloseEditGroupChatModal = useCallback(() => setShowEditGroupChatModal(null), []);
	const handleCloseGroupChatInfo = useCallback(() => setShowGroupChatInfo(false), []);

	const handleSendGroupChatMessage = useCallback(
		async (content: string, images?: string[], readOnly?: boolean) => {
			if (!activeGroupChatId) return;

			// If group chat is busy, queue the message instead of sending immediately
			if (groupChatState !== 'idle') {
				const queuedItem: QueuedItem = {
					id: generateId(),
					timestamp: Date.now(),
					tabId: activeGroupChatId, // Use group chat ID as tab ID
					type: 'message',
					text: content,
					images: images ? [...images] : undefined,
					tabName: groupChats.find((c) => c.id === activeGroupChatId)?.name || 'Group Chat',
					readOnlyMode: readOnly,
				};
				setGroupChatExecutionQueue((prev) => [...prev, queuedItem]);
				return;
			}

			setGroupChatState('moderator-thinking');
			setGroupChatStates((prev) => {
				const next = new Map(prev);
				next.set(activeGroupChatId, 'moderator-thinking');
				return next;
			});
			await window.maestro.groupChat.sendToModerator(activeGroupChatId, content, images, readOnly);
		},
		[activeGroupChatId, groupChatState, groupChats]
	);

	// Handle draft message changes - update local state (persisted on switch/close)
	const handleGroupChatDraftChange = useCallback(
		(draft: string) => {
			if (!activeGroupChatId) return;
			setGroupChats((prev) =>
				prev.map((c) => (c.id === activeGroupChatId ? { ...c, draftMessage: draft } : c))
			);
		},
		[activeGroupChatId]
	);

	// Handle removing an item from the group chat execution queue
	const handleRemoveGroupChatQueueItem = useCallback((itemId: string) => {
		setGroupChatExecutionQueue((prev) => prev.filter((item) => item.id !== itemId));
	}, []);

	// Handle reordering items in the group chat execution queue
	const handleReorderGroupChatQueueItems = useCallback((fromIndex: number, toIndex: number) => {
		setGroupChatExecutionQueue((prev) => {
			const queue = [...prev];
			const [removed] = queue.splice(fromIndex, 1);
			queue.splice(toIndex, 0, removed);
			return queue;
		});
	}, []);

	// --- SESSION SORTING ---
	// Extracted hook for sorted and visible session lists (ignores leading emojis for alphabetization)
	const { sortedSessions, visibleSessions } = useSortedSessions({
		sessions,
		groups,
		bookmarksCollapsed,
	});

	// --- KEYBOARD NAVIGATION ---
	// Extracted hook for sidebar navigation, panel focus, and related keyboard handlers
	const {
		handleSidebarNavigation,
		handleTabNavigation,
		handleEnterToActivate,
		handleEscapeInMain,
	} = useKeyboardNavigation({
		sortedSessions,
		selectedSidebarIndex,
		setSelectedSidebarIndex,
		activeSessionId,
		setActiveSessionId,
		activeFocus,
		setActiveFocus,
		groups,
		setGroups,
		bookmarksCollapsed,
		setBookmarksCollapsed,
		inputRef,
		terminalOutputRef,
	});

	// --- MAIN KEYBOARD HANDLER ---
	// Extracted hook for main keyboard event listener (empty deps, uses ref pattern)
	const { keyboardHandlerRef, showSessionJumpNumbers } = useMainKeyboardHandler();

	// Persist sessions to electron-store using debounced persistence (reduces disk writes from 100+/sec to <1/sec during streaming)
	// The hook handles: debouncing, flush-on-unmount, flush-on-visibility-change, flush-on-beforeunload
	const { flushNow: flushSessionPersistence } = useDebouncedPersistence(
		sessions,
		initialLoadComplete
	);

	// AppSessionModals handlers that depend on flushSessionPersistence
	const handleSaveEditAgent = useCallback(
		(
			sessionId: string,
			name: string,
			nudgeMessage?: string,
			customPath?: string,
			customArgs?: string,
			customEnvVars?: Record<string, string>,
			customModel?: string,
			customContextWindow?: number,
			sessionSshRemoteConfig?: {
				enabled: boolean;
				remoteId: string | null;
				workingDirOverride?: string;
			}
		) => {
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== sessionId) return s;
					return {
						...s,
						name,
						nudgeMessage,
						customPath,
						customArgs,
						customEnvVars,
						customModel,
						customContextWindow,
						sessionSshRemoteConfig,
					};
				})
			);
		},
		[]
	);

	const handleRenameTab = useCallback(
		(newName: string) => {
			if (!activeSession || !renameTabId) return;
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;
					// Find the tab to get its agentSessionId for persistence
					const tab = s.aiTabs.find((t) => t.id === renameTabId);
					if (tab?.agentSessionId) {
						// Persist name to agent session metadata (async, fire and forget)
						// Use projectRoot (not cwd) for consistent session storage access
						const agentId = s.toolType || 'claude-code';
						if (agentId === 'claude-code') {
							window.maestro.claude
								.updateSessionName(s.projectRoot, tab.agentSessionId, newName || '')
								.catch((err) => console.error('Failed to persist tab name:', err));
						} else {
							window.maestro.agentSessions
								.setSessionName(agentId, s.projectRoot, tab.agentSessionId, newName || null)
								.catch((err) => console.error('Failed to persist tab name:', err));
						}
						// Also update past history entries with this agentSessionId
						window.maestro.history
							.updateSessionName(tab.agentSessionId, newName || '')
							.catch((err) => console.error('Failed to update history session names:', err));
					}
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) =>
							// Clear isGeneratingName to cancel any in-progress automatic naming
							tab.id === renameTabId
								? { ...tab, name: newName || null, isGeneratingName: false }
								: tab
						),
					};
				})
			);
		},
		[activeSession, renameTabId]
	);

	// Persist groups directly (groups change infrequently, no need to debounce)
	useEffect(() => {
		if (initialLoadComplete.current) {
			window.maestro.groups.setAll(groups);
		}
	}, [groups]);

	// NOTE: Theme CSS variables and scrollbar fade animations are now handled by useThemeStyles hook
	// NOTE: Main keyboard handler is now provided by useMainKeyboardHandler hook
	// NOTE: Sync selectedSidebarIndex with activeSessionId is now handled by useKeyboardNavigation hook

	// Restore file tree scroll position when switching sessions
	useEffect(() => {
		if (
			activeSession &&
			fileTreeContainerRef.current &&
			activeSession.fileExplorerScrollPos !== undefined
		) {
			fileTreeContainerRef.current.scrollTop = activeSession.fileExplorerScrollPos;
		}
	}, [activeSessionId]); // Only restore on session switch, not on scroll position changes

	// Track navigation history when session or AI tab changes
	useEffect(() => {
		if (activeSession) {
			pushNavigation({
				sessionId: activeSession.id,
				tabId:
					activeSession.inputMode === 'ai' && activeSession.aiTabs?.length > 0
						? activeSession.activeTabId
						: undefined,
			});
		}
	}, [activeSessionId, activeSession?.activeTabId]); // Track session and tab changes

	// Reset shortcuts search when modal closes
	useEffect(() => {
		if (!shortcutsHelpOpen) {
			setShortcutsSearchQuery('');
		}
	}, [shortcutsHelpOpen]);

	// Helper to count tasks in document content
	const countTasksInContent = useCallback(
		(content: string): { completed: number; total: number } => {
			const completedRegex = /^[\s]*[-*]\s*\[x\]/gim;
			const uncheckedRegex = /^[\s]*[-*]\s*\[\s\]/gim;
			const completedMatches = content.match(completedRegex) || [];
			const uncheckedMatches = content.match(uncheckedRegex) || [];
			const completed = completedMatches.length;
			const total = completed + uncheckedMatches.length;
			return { completed, total };
		},
		[]
	);

	// Load task counts for all documents
	const loadTaskCounts = useCallback(
		async (folderPath: string, documents: string[], sshRemoteId?: string) => {
			const counts = new Map<string, { completed: number; total: number }>();

			// Load content and count tasks for each document in parallel
			await Promise.all(
				documents.map(async (docPath) => {
					try {
						const result = await window.maestro.autorun.readDoc(
							folderPath,
							docPath + '.md',
							sshRemoteId
						);
						if (result.success && result.content) {
							const taskCount = countTasksInContent(result.content);
							if (taskCount.total > 0) {
								counts.set(docPath, taskCount);
							}
						}
					} catch {
						// Ignore errors for individual documents
					}
				})
			);

			return counts;
		},
		[countTasksInContent]
	);

	// Load Auto Run document list and content when session changes
	// Always reload content from disk when switching sessions to ensure fresh data
	useEffect(() => {
		const loadAutoRunData = async () => {
			if (!activeSession?.autoRunFolderPath) {
				setAutoRunDocumentList([]);
				setAutoRunDocumentTree([]);
				setAutoRunDocumentTaskCounts(new Map());
				return;
			}

			// Get SSH remote ID for remote sessions (check both runtime and config values)
			const sshRemoteId =
				activeSession.sshRemoteId || activeSession.sessionSshRemoteConfig?.remoteId || undefined;

			// Load document list
			setAutoRunIsLoadingDocuments(true);
			const listResult = await window.maestro.autorun.listDocs(
				activeSession.autoRunFolderPath,
				sshRemoteId
			);
			if (listResult.success) {
				const files = listResult.files || [];
				setAutoRunDocumentList(files);
				setAutoRunDocumentTree(listResult.tree || []);

				// Load task counts for all documents
				const counts = await loadTaskCounts(activeSession.autoRunFolderPath, files, sshRemoteId);
				setAutoRunDocumentTaskCounts(counts);
			}
			setAutoRunIsLoadingDocuments(false);

			// Always load content from disk when switching sessions
			// This ensures we have fresh data and prevents stale content from showing
			if (activeSession.autoRunSelectedFile) {
				const contentResult = await window.maestro.autorun.readDoc(
					activeSession.autoRunFolderPath,
					activeSession.autoRunSelectedFile + '.md',
					sshRemoteId
				);
				const newContent = contentResult.success ? contentResult.content || '' : '';
				setSessions((prev) =>
					prev.map((s) =>
						s.id === activeSession.id
							? {
									...s,
									autoRunContent: newContent,
									autoRunContentVersion: (s.autoRunContentVersion || 0) + 1,
								}
							: s
					)
				);
			}
		};

		loadAutoRunData();
		// Note: Use primitive values (remoteId) not object refs (sessionSshRemoteConfig) to avoid infinite re-render loops
	}, [
		activeSessionId,
		activeSession?.autoRunFolderPath,
		activeSession?.autoRunSelectedFile,
		activeSession?.sshRemoteId,
		activeSession?.sessionSshRemoteConfig?.remoteId,
		loadTaskCounts,
	]);

	// File watching for Auto Run - watch whenever a folder is configured
	// Updates reflect immediately whether from batch runs, terminal commands, or external editors
	// Note: For SSH remote sessions, file watching via chokidar is not available.
	// The backend returns isRemote: true and the UI should use polling instead.
	useEffect(() => {
		const sessionId = activeSession?.id;
		const folderPath = activeSession?.autoRunFolderPath;
		const selectedFile = activeSession?.autoRunSelectedFile;
		// Get SSH remote ID for remote sessions (check both runtime and config values)
		const sshRemoteId =
			activeSession?.sshRemoteId || activeSession?.sessionSshRemoteConfig?.remoteId || undefined;

		// Only watch if folder is set
		if (!folderPath || !sessionId) return;

		// Start watching the folder (for remote sessions, this returns isRemote: true)
		window.maestro.autorun.watchFolder(folderPath, sshRemoteId);

		// Listen for file change events (only triggered for local sessions)
		const unsubscribe = window.maestro.autorun.onFileChanged(async (data) => {
			// Only respond to changes in the current folder
			if (data.folderPath !== folderPath) return;

			// Reload document list for any change (in case files added/removed)
			const listResult = await window.maestro.autorun.listDocs(folderPath, sshRemoteId);
			if (listResult.success) {
				const files = listResult.files || [];
				setAutoRunDocumentList(files);
				setAutoRunDocumentTree(listResult.tree || []);

				// Reload task counts for all documents
				const counts = await loadTaskCounts(folderPath, files, sshRemoteId);
				setAutoRunDocumentTaskCounts(counts);
			}

			// If we have a selected document and it matches the changed file, reload its content
			// Update in session state (per-session, not global)
			if (selectedFile && data.filename === selectedFile) {
				const contentResult = await window.maestro.autorun.readDoc(
					folderPath,
					selectedFile + '.md',
					sshRemoteId
				);
				if (contentResult.success) {
					// Update content in the specific session that owns this folder
					setSessions((prev) =>
						prev.map((s) =>
							s.id === sessionId
								? {
										...s,
										autoRunContent: contentResult.content || '',
										autoRunContentVersion: (s.autoRunContentVersion || 0) + 1,
									}
								: s
						)
					);
				}
			}
		});

		// Cleanup: stop watching when folder changes or unmount
		return () => {
			window.maestro.autorun.unwatchFolder(folderPath);
			unsubscribe();
		};
		// Note: Use primitive values (remoteId) not object refs (sessionSshRemoteConfig) to avoid infinite re-render loops
	}, [
		activeSession?.id,
		activeSession?.autoRunFolderPath,
		activeSession?.autoRunSelectedFile,
		activeSession?.sshRemoteId,
		activeSession?.sessionSshRemoteConfig?.remoteId,
		loadTaskCounts,
	]);

	// --- ACTIONS ---
	const cycleSession = (dir: 'next' | 'prev') => {
		// Build the visual order of items as they appear in the sidebar.
		// This matches the actual rendering order in SessionList.tsx:
		// 1. Bookmarks section (if open) - sorted alphabetically
		// 2. Groups (sorted alphabetically) - each with sessions sorted alphabetically
		// 3. Ungrouped sessions - sorted alphabetically
		// 4. Group Chats section (if expanded) - sorted alphabetically
		//
		// A bookmarked session visually appears in BOTH the bookmarks section AND its
		// regular location (group or ungrouped). The same session can appear twice in
		// the visual order. We track the current position with cyclePositionRef to
		// allow cycling through duplicate occurrences correctly.

		// Visual order item can be either a session or a group chat
		type VisualOrderItem =
			| { type: 'session'; id: string; name: string }
			| { type: 'groupChat'; id: string; name: string };

		const visualOrder: VisualOrderItem[] = [];

		// Helper to get worktree children for a session
		const getWorktreeChildren = (parentId: string) =>
			sessions
				.filter((s) => s.parentSessionId === parentId)
				.sort((a, b) =>
					compareNamesIgnoringEmojis(a.worktreeBranch || a.name, b.worktreeBranch || b.name)
				);

		// Helper to add session with its worktree children to visual order
		const addSessionWithWorktrees = (session: Session) => {
			// Skip worktree children - they're added with their parent
			if (session.parentSessionId) return;

			visualOrder.push({
				type: 'session' as const,
				id: session.id,
				name: session.name,
			});

			// Add worktree children if expanded
			if (session.worktreesExpanded !== false) {
				const children = getWorktreeChildren(session.id);
				visualOrder.push(
					...children.map((s) => ({
						type: 'session' as const,
						id: s.id,
						name: s.worktreeBranch || s.name,
					}))
				);
			}
		};

		if (leftSidebarOpen) {
			// Bookmarks section (if expanded and has bookmarked sessions)
			if (!bookmarksCollapsed) {
				const bookmarkedSessions = sessions
					.filter((s) => s.bookmarked && !s.parentSessionId)
					.sort((a, b) => compareNamesIgnoringEmojis(a.name, b.name));
				bookmarkedSessions.forEach(addSessionWithWorktrees);
			}

			// Groups (sorted alphabetically), with each group's sessions
			const sortedGroups = [...groups].sort((a, b) => compareNamesIgnoringEmojis(a.name, b.name));
			for (const group of sortedGroups) {
				if (!group.collapsed) {
					const groupSessions = sessions
						.filter((s) => s.groupId === group.id && !s.parentSessionId)
						.sort((a, b) => compareNamesIgnoringEmojis(a.name, b.name));
					groupSessions.forEach(addSessionWithWorktrees);
				}
			}

			// Ungrouped sessions (sorted alphabetically) - only if not collapsed
			if (!settings.ungroupedCollapsed) {
				const ungroupedSessions = sessions
					.filter((s) => !s.groupId && !s.parentSessionId)
					.sort((a, b) => compareNamesIgnoringEmojis(a.name, b.name));
				ungroupedSessions.forEach(addSessionWithWorktrees);
			}

			// Group Chats section (if expanded and has group chats)
			if (groupChatsExpanded && groupChats.length > 0) {
				const sortedGroupChats = [...groupChats].sort((a, b) =>
					a.name.toLowerCase().localeCompare(b.name.toLowerCase())
				);
				visualOrder.push(
					...sortedGroupChats.map((gc) => ({
						type: 'groupChat' as const,
						id: gc.id,
						name: gc.name,
					}))
				);
			}
		} else {
			// Sidebar collapsed: cycle through all sessions in their sorted order
			visualOrder.push(
				...sortedSessions.map((s) => ({
					type: 'session' as const,
					id: s.id,
					name: s.name,
				}))
			);
		}

		if (visualOrder.length === 0) return;

		// Determine what is currently active (session or group chat)
		const currentActiveId = activeGroupChatId || activeSessionId;
		const currentIsGroupChat = activeGroupChatId !== null;

		// Determine current position in visual order
		// If cyclePositionRef is valid and points to our current item, use it
		// Otherwise, find the first occurrence of our current item
		let currentIndex = cyclePositionRef.current;
		if (
			currentIndex < 0 ||
			currentIndex >= visualOrder.length ||
			visualOrder[currentIndex].id !== currentActiveId
		) {
			// Position is invalid or doesn't match current item - find first occurrence
			currentIndex = visualOrder.findIndex(
				(item) =>
					item.id === currentActiveId &&
					(currentIsGroupChat ? item.type === 'groupChat' : item.type === 'session')
			);
		}

		if (currentIndex === -1) {
			// Current item not visible, select first visible item
			cyclePositionRef.current = 0;
			const firstItem = visualOrder[0];
			if (firstItem.type === 'session') {
				setActiveGroupChatId(null);
				setActiveSessionIdInternal(firstItem.id);
			} else {
				// When switching to a group chat via cycling, use handleOpenGroupChat to load messages
				handleOpenGroupChat(firstItem.id);
			}
			return;
		}

		// Move to next/prev in visual order
		let nextIndex;
		if (dir === 'next') {
			nextIndex = currentIndex === visualOrder.length - 1 ? 0 : currentIndex + 1;
		} else {
			nextIndex = currentIndex === 0 ? visualOrder.length - 1 : currentIndex - 1;
		}

		cyclePositionRef.current = nextIndex;
		const nextItem = visualOrder[nextIndex];
		if (nextItem.type === 'session') {
			setActiveGroupChatId(null);
			setActiveSessionIdInternal(nextItem.id);
		} else {
			// When switching to a group chat via cycling, use handleOpenGroupChat to load messages
			handleOpenGroupChat(nextItem.id);
		}
	};

	// PERF: Memoize to prevent breaking React.memo on MainPanel
	const showConfirmation = useCallback((message: string, onConfirm: () => void) => {
		setConfirmModalMessage(message);
		setConfirmModalOnConfirm(() => onConfirm);
		setConfirmModalOpen(true);
	}, []);

	// Delete group chat with confirmation dialog (for keyboard shortcut and CMD+K)
	const deleteGroupChatWithConfirmation = useCallback(
		(id: string) => {
			const chat = groupChats.find((c) => c.id === id);
			if (!chat) return;

			showConfirmation(
				`Are you sure you want to delete the group chat "${chat.name}"? This action cannot be undone.`,
				async () => {
					await window.maestro.groupChat.delete(id);
					setGroupChats((prev) => prev.filter((c) => c.id !== id));
					if (activeGroupChatId === id) {
						handleCloseGroupChat();
					}
				}
			);
		},
		[groupChats, activeGroupChatId, handleCloseGroupChat]
	);

	const deleteSession = (id: string) => {
		const session = sessions.find((s) => s.id === id);
		if (!session) return;

		// Open the delete agent modal
		setDeleteAgentSession(session);
		setDeleteAgentModalOpen(true);
	};

	// Internal function to perform the actual session deletion
	const performDeleteSession = useCallback(
		async (session: Session, eraseWorkingDirectory: boolean) => {
			const id = session.id;

			// Record session closure for Usage Dashboard (before cleanup)
			window.maestro.stats.recordSessionClosed(id, Date.now());

			// Kill both processes for this session
			try {
				await window.maestro.process.kill(`${id}-ai`);
			} catch (error) {
				console.error('Failed to kill AI process:', error);
			}

			try {
				await window.maestro.process.kill(`${id}-terminal`);
			} catch (error) {
				console.error('Failed to kill terminal process:', error);
			}

			// Delete associated playbooks
			try {
				await window.maestro.playbooks.deleteAll(id);
			} catch (error) {
				console.error('Failed to delete playbooks:', error);
			}

			// If this is a worktree session, track its path to prevent re-discovery
			if (session.worktreeParentPath && session.cwd) {
				setRemovedWorktreePaths((prev) => new Set([...prev, session.cwd]));
			}

			// Optionally erase the working directory (move to trash)
			if (eraseWorkingDirectory && session.cwd) {
				try {
					await window.maestro.shell.trashItem(session.cwd);
				} catch (error) {
					console.error('Failed to move working directory to trash:', error);
					// Show a toast notification about the failure
					addToast({
						title: 'Failed to Erase Directory',
						message: error instanceof Error ? error.message : 'Unknown error',
						type: 'error',
					});
				}
			}

			const newSessions = sessions.filter((s) => s.id !== id);
			setSessions(newSessions);
			// Flush immediately for critical operation (session deletion)
			// Note: flushSessionPersistence will pick up the latest state via ref
			setTimeout(() => flushSessionPersistence(), 0);
			if (newSessions.length > 0) {
				setActiveSessionId(newSessions[0].id);
			} else {
				setActiveSessionId('');
			}
		},
		[
			sessions,
			setSessions,
			setActiveSessionId,
			flushSessionPersistence,
			setRemovedWorktreePaths,
			addToast,
		]
	);

	// Delete an entire worktree group and all its agents
	const deleteWorktreeGroup = (groupId: string) => {
		const group = groups.find((g) => g.id === groupId);
		if (!group) return;

		const groupSessions = sessions.filter((s) => s.groupId === groupId);
		const sessionCount = groupSessions.length;

		showConfirmation(
			`Are you sure you want to remove the group "${group.name}" and all ${sessionCount} agent${
				sessionCount !== 1 ? 's' : ''
			} in it? This action cannot be undone.`,
			async () => {
				// Kill processes and delete playbooks for each session
				for (const session of groupSessions) {
					try {
						await window.maestro.process.kill(`${session.id}-ai`);
					} catch (error) {
						console.error('Failed to kill AI process:', error);
					}

					try {
						await window.maestro.process.kill(`${session.id}-terminal`);
					} catch (error) {
						console.error('Failed to kill terminal process:', error);
					}

					try {
						await window.maestro.playbooks.deleteAll(session.id);
					} catch (error) {
						console.error('Failed to delete playbooks:', error);
					}
				}

				// Track all removed paths to prevent re-discovery
				const pathsToTrack = groupSessions
					.filter((s) => s.worktreeParentPath && s.cwd)
					.map((s) => s.cwd);

				if (pathsToTrack.length > 0) {
					setRemovedWorktreePaths((prev) => new Set([...prev, ...pathsToTrack]));
				}

				// Remove all sessions in the group
				const sessionIdsToRemove = new Set(groupSessions.map((s) => s.id));
				const newSessions = sessions.filter((s) => !sessionIdsToRemove.has(s.id));
				setSessions(newSessions);

				// Remove the group
				setGroups((prev) => prev.filter((g) => g.id !== groupId));

				// Flush immediately for critical operation
				setTimeout(() => flushSessionPersistence(), 0);

				// Switch to another session if needed
				if (sessionIdsToRemove.has(activeSessionId) && newSessions.length > 0) {
					setActiveSessionId(newSessions[0].id);
				} else if (newSessions.length === 0) {
					setActiveSessionId('');
				}

				addToast({
					type: 'success',
					title: 'Group Removed',
					message: `Removed "${group.name}" and ${sessionCount} agent${
						sessionCount !== 1 ? 's' : ''
					}`,
				});
			}
		);
	};

	const addNewSession = () => {
		setNewInstanceModalOpen(true);
	};

	const createNewSession = async (
		agentId: string,
		workingDir: string,
		name: string,
		nudgeMessage?: string,
		customPath?: string,
		customArgs?: string,
		customEnvVars?: Record<string, string>,
		customModel?: string,
		customContextWindow?: number,
		customProviderPath?: string,
		sessionSshRemoteConfig?: {
			enabled: boolean;
			remoteId: string | null;
			workingDirOverride?: string;
		}
	) => {
		// Get agent definition to get correct command
		const agent = await window.maestro.agents.get(agentId);
		if (!agent) {
			console.error(`Agent not found: ${agentId}`);
			return;
		}

		try {
			// Always create a single session for the selected directory
			// Worktree scanning/creation is now handled explicitly via the worktree config modal
			// Validate uniqueness before creating
			const validation = validateNewSession(name, workingDir, agentId as ToolType, sessions);
			if (!validation.valid) {
				console.error(`Session validation failed: ${validation.error}`);
				addToast({
					type: 'error',
					title: 'Session Creation Failed',
					message: validation.error || 'Cannot create duplicate session',
				});
				return;
			}

			const newId = generateId();
			const aiPid = 0;

			// For SSH sessions, defer git check until onSshRemote fires (SSH connection established)
			// For local sessions, check git repo status immediately
			const isRemoteSession = sessionSshRemoteConfig?.enabled && sessionSshRemoteConfig.remoteId;
			let isGitRepo = false;
			let gitBranches: string[] | undefined;
			let gitTags: string[] | undefined;
			let gitRefsCacheTime: number | undefined;

			if (!isRemoteSession) {
				// Local session - check git repo status now
				isGitRepo = await gitService.isRepo(workingDir);
				if (isGitRepo) {
					[gitBranches, gitTags] = await Promise.all([
						gitService.getBranches(workingDir),
						gitService.getTags(workingDir),
					]);
					gitRefsCacheTime = Date.now();
				}
			}
			// For SSH sessions: isGitRepo stays false until onSshRemote callback fires
			// and rechecks with the established SSH connection

			// Create initial fresh tab for new sessions
			const initialTabId = generateId();
			const initialTab: AITab = {
				id: initialTabId,
				agentSessionId: null,
				name: null,
				starred: false,
				logs: [],
				inputValue: '',
				stagedImages: [],
				createdAt: Date.now(),
				state: 'idle',
				saveToHistory: defaultSaveToHistory,
				showThinking: defaultShowThinking,
			};

			const newSession: Session = {
				id: newId,
				name,
				toolType: agentId as ToolType,
				state: 'idle',
				cwd: workingDir,
				fullPath: workingDir,
				projectRoot: workingDir, // Store the initial directory (never changes)
				isGitRepo,
				gitBranches,
				gitTags,
				gitRefsCacheTime,
				aiLogs: [], // Deprecated - logs are now in aiTabs
				shellLogs: [
					{
						id: generateId(),
						timestamp: Date.now(),
						source: 'system',
						text: 'Shell Session Ready.',
					},
				],
				workLog: [],
				contextUsage: 0,
				inputMode: agentId === 'terminal' ? 'terminal' : 'ai',
				// AI process PID (terminal uses runCommand which spawns fresh shells)
				// For agents that requiresPromptToStart, this starts as 0 and gets set on first message
				aiPid,
				terminalPid: 0,
				port: 3000 + Math.floor(Math.random() * 100),
				isLive: false,
				changedFiles: [],
				fileTree: [],
				fileExplorerExpanded: [],
				fileExplorerScrollPos: 0,
				fileTreeAutoRefreshInterval: 180, // Default: auto-refresh every 3 minutes
				shellCwd: workingDir,
				aiCommandHistory: [],
				shellCommandHistory: [],
				executionQueue: [],
				activeTimeMs: 0,
				// Tab management - start with a fresh empty tab
				aiTabs: [initialTab],
				activeTabId: initialTabId,
				closedTabHistory: [],
				// File preview tabs - start empty, unified tab order starts with initial AI tab
				filePreviewTabs: [],
				activeFileTabId: null,
				unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
				unifiedClosedTabHistory: [],
				// Nudge message - appended to every interactive user message
				nudgeMessage,
				// Per-agent config (path, args, env vars, model)
				customPath,
				customArgs,
				customEnvVars,
				customModel,
				customContextWindow,
				customProviderPath,
				// Per-session SSH remote config (takes precedence over agent-level SSH config)
				sessionSshRemoteConfig,
			};
			setSessions((prev) => [...prev, newSession]);
			setActiveSessionId(newId);
			// Track session creation in global stats
			updateGlobalStats({ totalSessions: 1 });
			// Record session lifecycle for Usage Dashboard
			window.maestro.stats.recordSessionCreated({
				sessionId: newId,
				agentType: agentId,
				projectPath: workingDir,
				createdAt: Date.now(),
				isRemote: !!isRemoteSession,
			});
			// Auto-focus the input so user can start typing immediately
			// Use a small delay to ensure the modal has closed and the UI has updated
			setActiveFocus('main');
			setTimeout(() => inputRef.current?.focus(), 50);
		} catch (error) {
			console.error('Failed to create session:', error);
			// TODO: Show error to user
		}
	};

	/**
	 * Handle wizard completion - create session with Auto Run configured
	 * Called when user clicks "I'm Ready to Go" or "Walk Me Through the Interface"
	 */
	const handleWizardLaunchSession = useCallback(
		async (wantsTour: boolean) => {
			// Get wizard state
			const {
				selectedAgent,
				directoryPath,
				agentName,
				generatedDocuments,
				customPath,
				customArgs,
				customEnvVars,
				sessionSshRemoteConfig,
			} = wizardState;

			if (!selectedAgent || !directoryPath) {
				console.error('Wizard launch failed: missing agent or directory');
				throw new Error('Missing required wizard data');
			}

			// Create the session
			const newId = generateId();
			const sessionName = agentName || `${selectedAgent} Session`;

			// Validate uniqueness before creating
			const validation = validateNewSession(
				sessionName,
				directoryPath,
				selectedAgent as ToolType,
				sessions
			);
			if (!validation.valid) {
				console.error(`Wizard session validation failed: ${validation.error}`);
				addToast({
					type: 'error',
					title: 'Session Creation Failed',
					message: validation.error || 'Cannot create duplicate session',
				});
				throw new Error(validation.error || 'Session validation failed');
			}

			// Get agent definition and capabilities
			const agent = await window.maestro.agents.get(selectedAgent);
			if (!agent) {
				throw new Error(`Agent not found: ${selectedAgent}`);
			}
			// Don't eagerly spawn AI processes from wizard:
			// - Batch mode agents (Claude Code, OpenCode, Codex) spawn per message in useInputProcessing
			// - Terminal uses runCommand (fresh shells per command)
			// aiPid stays at 0 until user sends their first message
			const aiPid = 0;

			// Check git repo status (with SSH support if configured)
			const wizardSshRemoteId = sessionSshRemoteConfig?.remoteId || undefined;
			const isGitRepo = await gitService.isRepo(directoryPath, wizardSshRemoteId);
			let gitBranches: string[] | undefined;
			let gitTags: string[] | undefined;
			let gitRefsCacheTime: number | undefined;
			if (isGitRepo) {
				[gitBranches, gitTags] = await Promise.all([
					gitService.getBranches(directoryPath, wizardSshRemoteId),
					gitService.getTags(directoryPath, wizardSshRemoteId),
				]);
				gitRefsCacheTime = Date.now();
			}

			// Create initial tab
			const initialTabId = generateId();
			const initialTab: AITab = {
				id: initialTabId,
				agentSessionId: null,
				name: null,
				starred: false,
				logs: [],
				inputValue: '',
				stagedImages: [],
				createdAt: Date.now(),
				state: 'idle',
				saveToHistory: defaultSaveToHistory,
				showThinking: defaultShowThinking,
			};

			// Build Auto Run folder path
			const autoRunFolderPath = `${directoryPath}/${AUTO_RUN_FOLDER_NAME}`;
			const firstDoc = generatedDocuments[0];
			const autoRunSelectedFile = firstDoc ? firstDoc.filename.replace(/\.md$/, '') : undefined;

			// Create the session with Auto Run configured
			const newSession: Session = {
				id: newId,
				name: sessionName,
				toolType: selectedAgent as ToolType,
				state: 'idle',
				cwd: directoryPath,
				fullPath: directoryPath,
				projectRoot: directoryPath,
				isGitRepo,
				gitBranches,
				gitTags,
				gitRefsCacheTime,
				aiLogs: [],
				shellLogs: [
					{
						id: generateId(),
						timestamp: Date.now(),
						source: 'system',
						text: 'Shell Session Ready.',
					},
				],
				workLog: [],
				contextUsage: 0,
				inputMode: 'ai',
				aiPid,
				terminalPid: 0,
				port: 3000 + Math.floor(Math.random() * 100),
				isLive: false,
				changedFiles: [],
				fileTree: [],
				fileExplorerExpanded: [],
				fileExplorerScrollPos: 0,
				fileTreeAutoRefreshInterval: 180,
				shellCwd: directoryPath,
				aiCommandHistory: [],
				shellCommandHistory: [],
				executionQueue: [],
				activeTimeMs: 0,
				aiTabs: [initialTab],
				activeTabId: initialTabId,
				closedTabHistory: [],
				filePreviewTabs: [],
				activeFileTabId: null,
				unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
				unifiedClosedTabHistory: [],
				// Auto Run configuration from wizard
				autoRunFolderPath,
				autoRunSelectedFile,
				// Per-session agent configuration from wizard
				customPath,
				customArgs,
				customEnvVars,
				// Per-session SSH remote config (takes precedence over agent-level SSH config)
				sessionSshRemoteConfig,
			};

			// Add session and make it active
			setSessions((prev) => [...prev, newSession]);
			setActiveSessionId(newId);
			updateGlobalStats({ totalSessions: 1 });
			// Record session lifecycle for Usage Dashboard
			window.maestro.stats.recordSessionCreated({
				sessionId: newId,
				agentType: selectedAgent,
				projectPath: directoryPath,
				createdAt: Date.now(),
				isRemote: !!sessionSshRemoteConfig?.enabled,
			});

			// Clear wizard resume state since we completed successfully
			clearResumeState();

			// Complete and close the wizard
			completeWizard(newId);

			// Switch to Auto Run tab so user sees their generated docs
			setActiveRightTab('autorun');

			// Start tour if requested
			if (wantsTour) {
				// Small delay to let the UI settle before starting tour
				setTimeout(() => {
					setTourFromWizard(true);
					setTourOpen(true);
				}, 300);
			}

			// Focus input
			setActiveFocus('main');
			setTimeout(() => inputRef.current?.focus(), 100);

			// Auto-start the batch run with the first document that has tasks
			// This is the core purpose of the onboarding wizard - get the user's first Auto Run going
			const firstDocWithTasks = generatedDocuments.find((doc) => doc.taskCount > 0);
			if (firstDocWithTasks && autoRunFolderPath) {
				// Create batch config for single document run
				const batchConfig: BatchRunConfig = {
					documents: [
						{
							id: generateId(),
							filename: firstDocWithTasks.filename.replace(/\.md$/, ''),
							resetOnCompletion: false,
							isDuplicate: false,
						},
					],
					prompt: DEFAULT_BATCH_PROMPT,
					loopEnabled: false,
				};

				// Small delay to ensure session state is fully propagated before starting batch
				setTimeout(() => {
					console.log(
						'[Wizard] Auto-starting batch run with first document:',
						firstDocWithTasks.filename
					);
					startBatchRun(newId, batchConfig, autoRunFolderPath);
				}, 500);
			}
		},
		[
			wizardState,
			defaultSaveToHistory,
			setSessions,
			setActiveSessionId,
			updateGlobalStats,
			clearResumeState,
			completeWizard,
			setActiveRightTab,
			setTourOpen,
			setActiveFocus,
			startBatchRun,
			sessions,
			addToast,
		]
	);

	/**
	 * Initialize a merged session with context from groomed logs.
	 * Spawns the agent process and optionally sends an initial context prompt.
	 *
	 * This is the second step after createMergedSession() - it integrates the
	 * session into app state and spawns the AI process.
	 *
	 * @param session - The pre-created session from createMergedSession()
	 * @param contextSummary - Optional initial prompt to send to establish context
	 *                         (e.g., "Here's a summary of our previous conversations...")
	 * @returns Promise that resolves when the session is initialized
	 */
	const _initializeMergedSession = useCallback(
		async (session: Session, contextSummary?: string) => {
			// Add session to app state
			setSessions((prev) => [...prev, session]);
			setActiveSessionId(session.id);

			// Track session creation in global stats
			updateGlobalStats({ totalSessions: 1 });

			// Get SSH remote ID for remote git operations
			// Note: sshRemoteId is only set after AI agent spawns. For terminal-only SSH sessions,
			// we must fall back to sessionSshRemoteConfig.remoteId. See CLAUDE.md "SSH Remote Sessions".
			const sshRemoteId =
				session.sshRemoteId || session.sessionSshRemoteConfig?.remoteId || undefined;

			// Check if this is a git repo and update git info (via SSH for remote sessions)
			const isGitRepo = await gitService.isRepo(session.projectRoot, sshRemoteId);
			if (isGitRepo) {
				try {
					const [gitBranches, gitTags] = await Promise.all([
						gitService.getBranches(session.projectRoot, sshRemoteId),
						gitService.getTags(session.projectRoot, sshRemoteId),
					]);

					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== session.id) return s;
							return {
								...s,
								isGitRepo: true,
								gitBranches,
								gitTags,
								gitRefsCacheTime: Date.now(),
							};
						})
					);
				} catch {
					// Ignore git info fetch errors
				}
			}

			// If a context summary is provided, queue it as the first message
			// This will be sent when the agent spawns on first user input
			if (contextSummary && contextSummary.trim()) {
				const activeTab = getActiveTab(session);
				if (activeTab) {
					// Add context as a system log entry so it appears in conversation history
					const contextLogEntry: LogEntry = {
						id: generateId(),
						timestamp: Date.now(),
						source: 'system',
						text: `[Merged Context]\n\n${contextSummary}`,
					};

					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== session.id) return s;
							return {
								...s,
								aiTabs: s.aiTabs.map((tab) => {
									if (tab.id !== activeTab.id) return tab;
									return {
										...tab,
										logs: [...tab.logs, contextLogEntry],
									};
								}),
							};
						})
					);
				}
			}

			// Focus the input for immediate user interaction
			setActiveFocus('main');
			setTimeout(() => inputRef.current?.focus(), 50);

			// Show success notification
			addToast({
				type: 'success',
				title: 'Session Created',
				message: `Merged context session "${session.name}" is ready`,
			});
		},
		[setSessions, setActiveSessionId, updateGlobalStats, setActiveFocus, addToast]
	);

	const toggleInputMode = () => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionId) return s;
				const newMode = s.inputMode === 'ai' ? 'terminal' : 'ai';

				if (newMode === 'terminal') {
					// Switching to terminal mode: save current file tab (if any) and clear it
					preTerminalFileTabIdRef.current = s.activeFileTabId;
					return {
						...s,
						inputMode: newMode,
						activeFileTabId: null,
					};
				} else {
					// Switching to AI mode: restore previous file tab if it still exists
					const savedFileTabId = preTerminalFileTabIdRef.current;
					const fileTabStillExists =
						savedFileTabId && s.filePreviewTabs?.some((t) => t.id === savedFileTabId);
					preTerminalFileTabIdRef.current = null;
					return {
						...s,
						inputMode: newMode,
						...(fileTabStillExists && { activeFileTabId: savedFileTabId }),
					};
				}
			})
		);
		// Close any open dropdowns when switching modes
		setTabCompletionOpen(false);
		setSlashCommandOpen(false);
	};

	// Toggle unread tabs filter with save/restore of active tab
	const toggleUnreadFilter = useCallback(() => {
		if (!showUnreadOnly) {
			// Entering filter mode: save current active tab
			preFilterActiveTabIdRef.current = activeSession?.activeTabId || null;
		} else {
			// Exiting filter mode: restore previous active tab if it still exists
			if (preFilterActiveTabIdRef.current && activeSession) {
				const tabStillExists = activeSession.aiTabs.some(
					(t) => t.id === preFilterActiveTabIdRef.current
				);
				if (tabStillExists) {
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== activeSession.id) return s;
							return { ...s, activeTabId: preFilterActiveTabIdRef.current! };
						})
					);
				}
				preFilterActiveTabIdRef.current = null;
			}
		}
		setShowUnreadOnly((prev) => !prev);
	}, [showUnreadOnly, activeSession]);

	// Toggle star on the current active tab
	const toggleTabStar = useCallback(() => {
		if (!activeSession) return;
		const tab = getActiveTab(activeSession);
		if (!tab) return;

		const newStarred = !tab.starred;
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;
				// Persist starred status to session metadata (async, fire and forget)
				// Use projectRoot (not cwd) for consistent session storage access
				if (tab.agentSessionId) {
					const agentId = s.toolType || 'claude-code';
					if (agentId === 'claude-code') {
						window.maestro.claude
							.updateSessionStarred(s.projectRoot, tab.agentSessionId, newStarred)
							.catch((err) => console.error('Failed to persist tab starred:', err));
					} else {
						window.maestro.agentSessions
							.setSessionStarred(agentId, s.projectRoot, tab.agentSessionId, newStarred)
							.catch((err) => console.error('Failed to persist tab starred:', err));
					}
				}
				return {
					...s,
					aiTabs: s.aiTabs.map((t) => (t.id === tab.id ? { ...t, starred: newStarred } : t)),
				};
			})
		);
	}, [activeSession]);

	// Toggle unread status on the current active tab
	const toggleTabUnread = useCallback(() => {
		if (!activeSession) return;
		const tab = getActiveTab(activeSession);
		if (!tab) return;

		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((t) => (t.id === tab.id ? { ...t, hasUnread: !t.hasUnread } : t)),
				};
			})
		);
	}, [activeSession]);

	// Toggle global live mode (enables web interface for all sessions)
	const toggleGlobalLive = async () => {
		try {
			if (isLiveMode) {
				// Stop tunnel first (if running), then stop web server
				await window.maestro.tunnel.stop();
				const _result = await window.maestro.live.disableAll();
				setIsLiveMode(false);
				setWebInterfaceUrl(null);
			} else {
				// Turn on - start the server and get the URL
				const result = await window.maestro.live.startServer();
				if (result.success && result.url) {
					setIsLiveMode(true);
					setWebInterfaceUrl(result.url);
				} else {
					console.error('[toggleGlobalLive] Failed to start server:', result.error);
				}
			}
		} catch (error) {
			console.error('[toggleGlobalLive] Error:', error);
		}
	};

	// Restart web server (used when port settings change while server is running)
	const restartWebServer = async (): Promise<string | null> => {
		if (!isLiveMode) return null;
		try {
			// Stop and restart the server to pick up new port settings
			await window.maestro.live.stopServer();
			const result = await window.maestro.live.startServer();
			if (result.success && result.url) {
				setWebInterfaceUrl(result.url);
				return result.url;
			} else {
				console.error('[restartWebServer] Failed to restart server:', result.error);
				return null;
			}
		} catch (error) {
			console.error('[restartWebServer] Error:', error);
			return null;
		}
	};

	const handleViewGitDiff = async () => {
		if (!activeSession || !activeSession.isGitRepo) return;

		const cwd =
			activeSession.inputMode === 'terminal'
				? activeSession.shellCwd || activeSession.cwd
				: activeSession.cwd;
		const diff = await gitService.getDiff(cwd);

		if (diff.diff) {
			setGitDiffPreview(diff.diff);
		}
	};

	// startRenamingSession now accepts a unique key (e.g., 'bookmark-id', 'group-gid-id', 'ungrouped-id')
	// to support renaming the same session from different UI locations (bookmarks vs groups)
	const startRenamingSession = (editKey: string) => {
		setEditingSessionId(editKey);
	};

	const finishRenamingSession = (sessId: string, newName: string) => {
		setSessions((prev) => {
			const updated = prev.map((s) => (s.id === sessId ? { ...s, name: newName } : s));
			// Sync the session name to agent session storage for searchability
			// Use projectRoot (not cwd) for consistent session storage access
			const session = updated.find((s) => s.id === sessId);
			if (session?.agentSessionId && session.projectRoot) {
				const agentId = session.toolType || 'claude-code';
				if (agentId === 'claude-code') {
					window.maestro.claude
						.updateSessionName(session.projectRoot, session.agentSessionId, newName)
						.catch((err) =>
							console.warn('[finishRenamingSession] Failed to sync session name:', err)
						);
				} else {
					window.maestro.agentSessions
						.setSessionName(agentId, session.projectRoot, session.agentSessionId, newName)
						.catch((err) =>
							console.warn('[finishRenamingSession] Failed to sync session name:', err)
						);
				}
			}
			return updated;
		});
		setEditingSessionId(null);
	};

	// Drag and Drop Handlers
	const handleDragStart = (sessionId: string) => {
		setDraggingSessionId(sessionId);
	};

	const handleDragOver = (e: React.DragEvent) => {
		e.preventDefault();
	};

	// Note: processInput has been extracted to useInputProcessing hook (see line ~2128)

	// Listen for remote commands from web interface
	// This event is triggered by the remote command handler with command data in detail
	useEffect(() => {
		const handleRemoteCommand = async (event: Event) => {
			const customEvent = event as CustomEvent<{
				sessionId: string;
				command: string;
				inputMode?: 'ai' | 'terminal';
			}>;
			const { sessionId, command, inputMode: webInputMode } = customEvent.detail;

			console.log('[Remote] Processing remote command via event:', {
				sessionId,
				command: command.substring(0, 50),
				webInputMode,
			});

			// Find the session directly from sessionsRef (not from React state which may be stale)
			const session = sessionsRef.current.find((s) => s.id === sessionId);
			if (!session) {
				console.log('[Remote] ERROR: Session not found in sessionsRef:', sessionId);
				return;
			}

			// Use web's inputMode if provided, otherwise fall back to session state
			const effectiveInputMode = webInputMode || session.inputMode;

			console.log('[Remote] Found session:', {
				id: session.id,
				agentSessionId: session.agentSessionId || 'none',
				state: session.state,
				sessionInputMode: session.inputMode,
				effectiveInputMode,
				toolType: session.toolType,
			});

			// Handle terminal mode commands
			if (effectiveInputMode === 'terminal') {
				console.log('[Remote] Terminal mode - using runCommand for clean output');

				// Add user message to shell logs and set state to busy
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== sessionId) return s;
						return {
							...s,
							state: 'busy' as SessionState,
							busySource: 'terminal',
							shellLogs: [
								...s.shellLogs,
								{
									id: generateId(),
									timestamp: Date.now(),
									source: 'user',
									text: command,
								},
							],
						};
					})
				);

				// Use runCommand for clean stdout/stderr capture (same as desktop)
				// This spawns a fresh shell with -l -c to run the command
				// When SSH is enabled for the session, the command runs on the remote host
				// For SSH sessions, use remoteCwd; for local, use shellCwd
				const isRemote = !!session.sshRemoteId || !!session.sessionSshRemoteConfig?.enabled;
				const commandCwd = isRemote
					? session.remoteCwd || session.sessionSshRemoteConfig?.workingDirOverride || session.cwd
					: session.shellCwd || session.cwd;
				try {
					await window.maestro.process.runCommand({
						sessionId: sessionId, // Plain session ID (not suffixed)
						command: command,
						cwd: commandCwd,
						// Pass SSH config if the session has SSH enabled
						sessionSshRemoteConfig: session.sessionSshRemoteConfig,
					});
					console.log('[Remote] Terminal command completed successfully');
				} catch (error: unknown) {
					console.error('[Remote] Terminal command failed:', error);
					const errorMessage = error instanceof Error ? error.message : 'Unknown error';
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== sessionId) return s;
							return {
								...s,
								state: 'idle' as SessionState,
								busySource: undefined,
								thinkingStartTime: undefined,
								shellLogs: [
									...s.shellLogs,
									{
										id: generateId(),
										timestamp: Date.now(),
										source: 'system',
										text: `Error: Failed to run command - ${errorMessage}`,
									},
								],
							};
						})
					);
				}
				return;
			}

			// Handle AI mode for batch-mode agents (Claude Code, Codex, OpenCode)
			const supportedBatchAgents: ToolType[] = ['claude-code', 'codex', 'opencode'];
			if (!supportedBatchAgents.includes(session.toolType)) {
				console.log('[Remote] Not a batch-mode agent, skipping');
				return;
			}

			// Check if session is busy
			if (session.state === 'busy') {
				console.log('[Remote] Session is busy, cannot process command');
				return;
			}

			// Check for slash commands (built-in and custom)
			let promptToSend = command;
			let commandMetadata: { command: string; description: string } | undefined;

			// Handle slash commands (custom AI commands only - built-in commands have been removed)
			if (command.trim().startsWith('/')) {
				const commandText = command.trim();
				console.log('[Remote] Detected slash command:', commandText);

				// Look up in custom AI commands
				const matchingCustomCommand = customAICommandsRef.current.find(
					(cmd) => cmd.command === commandText
				);

				// Look up in spec-kit commands
				const matchingSpeckitCommand = speckitCommandsRef.current.find(
					(cmd) => cmd.command === commandText
				);

				// Look up in openspec commands
				const matchingOpenspecCommand = openspecCommandsRef.current.find(
					(cmd) => cmd.command === commandText
				);

				const matchingCommand =
					matchingCustomCommand || matchingSpeckitCommand || matchingOpenspecCommand;

				if (matchingCommand) {
					console.log(
						'[Remote] Found matching command:',
						matchingCommand.command,
						matchingSpeckitCommand
							? '(spec-kit)'
							: matchingOpenspecCommand
								? '(openspec)'
								: '(custom)'
					);

					// Get git branch for template substitution
					let gitBranch: string | undefined;
					if (session.isGitRepo) {
						try {
							const status = await gitService.getStatus(session.cwd);
							gitBranch = status.branch;
						} catch {
							// Ignore git errors
						}
					}

					// Substitute template variables
					promptToSend = substituteTemplateVariables(matchingCommand.prompt, {
						session,
						gitBranch,
						conductorProfile,
					});
					commandMetadata = {
						command: matchingCommand.command,
						description: matchingCommand.description,
					};

					console.log(
						'[Remote] Substituted prompt (first 100 chars):',
						promptToSend.substring(0, 100)
					);
				} else {
					// Unknown slash command - show error and don't send to AI
					console.log('[Remote] Unknown slash command:', commandText);
					addLogToActiveTab(sessionId, {
						source: 'system',
						text: `Unknown command: ${commandText}`,
					});
					return;
				}
			}

			try {
				// Get agent configuration for this session's tool type
				const agent = await window.maestro.agents.get(session.toolType);
				if (!agent) {
					console.log(`[Remote] ERROR: Agent not found for toolType: ${session.toolType}`);
					return;
				}

				// Get the ACTIVE TAB's agentSessionId for session continuity
				// (not the deprecated session-level one)
				const activeTab = getActiveTab(session);
				const tabAgentSessionId = activeTab?.agentSessionId;
				const isReadOnly = activeTab?.readOnlyMode;

				// Filter out YOLO/skip-permissions flags when read-only mode is active
				// (they would override the read-only mode we're requesting)
				// - Claude Code: --dangerously-skip-permissions
				// - Codex: --dangerously-bypass-approvals-and-sandbox
				const agentArgs = agent.args ?? [];
				const spawnArgs = isReadOnly
					? agentArgs.filter(
							(arg) =>
								arg !== '--dangerously-skip-permissions' &&
								arg !== '--dangerously-bypass-approvals-and-sandbox'
						)
					: [...agentArgs];

				// Note: agentSessionId and readOnlyMode are passed to spawn() config below.
				// The main process uses agent-specific argument builders (resumeArgs, readOnlyArgs)
				// to construct the correct CLI args for each agent type.

				// Include tab ID in targetSessionId for proper output routing
				const targetSessionId = `${sessionId}-ai-${activeTab?.id || 'default'}`;
				const commandToUse = agent.path ?? agent.command;

				console.log('[Remote] Spawning agent:', {
					maestroSessionId: sessionId,
					targetSessionId,
					activeTabId: activeTab?.id,
					tabAgentSessionId: tabAgentSessionId || 'NEW SESSION',
					isResume: !!tabAgentSessionId,
					command: commandToUse,
					args: spawnArgs,
					prompt: promptToSend.substring(0, 100),
				});

				// Add user message to active tab's logs and set state to busy
				// For custom commands, show the substituted prompt with command metadata
				const userLogEntry: LogEntry = {
					id: generateId(),
					timestamp: Date.now(),
					source: 'user',
					text: promptToSend,
					...(commandMetadata && { aiCommand: commandMetadata }),
				};

				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== sessionId) return s;

						// Update active tab: add log entry and set state to 'busy' for write-mode tracking
						const activeTab = getActiveTab(s);
						const updatedAiTabs =
							s.aiTabs?.length > 0
								? s.aiTabs.map((tab) =>
										tab.id === s.activeTabId
											? {
													...tab,
													state: 'busy' as const,
													logs: [...tab.logs, userLogEntry],
												}
											: tab
									)
								: s.aiTabs;

						if (!activeTab) {
							// No tabs exist - this is a bug, sessions must have aiTabs
							console.error(
								'[runAICommand] No active tab found - session has no aiTabs, this should not happen'
							);
							return s;
						}

						return {
							...s,
							state: 'busy' as SessionState,
							busySource: 'ai',
							thinkingStartTime: Date.now(),
							currentCycleTokens: 0,
							currentCycleBytes: 0,
							// Track AI command usage
							...(commandMetadata && {
								aiCommandHistory: Array.from(
									new Set([...(s.aiCommandHistory || []), command.trim()])
								).slice(-50),
							}),
							aiTabs: updatedAiTabs,
						};
					})
				);

				// Spawn agent with the prompt (original or substituted)
				await window.maestro.process.spawn({
					sessionId: targetSessionId,
					toolType: session.toolType,
					cwd: session.cwd,
					command: commandToUse,
					args: spawnArgs,
					prompt: promptToSend,
					// Generic spawn options - main process builds agent-specific args
					agentSessionId: tabAgentSessionId ?? undefined,
					readOnlyMode: isReadOnly,
					// Per-session config overrides (if set)
					sessionCustomPath: session.customPath,
					sessionCustomArgs: session.customArgs,
					sessionCustomEnvVars: session.customEnvVars,
					sessionCustomModel: session.customModel,
					sessionCustomContextWindow: session.customContextWindow,
					// Per-session SSH remote config (takes precedence over agent-level SSH config)
					sessionSshRemoteConfig: session.sessionSshRemoteConfig,
				});

				console.log(`[Remote] ${session.toolType} spawn initiated successfully`);
			} catch (error: unknown) {
				console.error('[Remote] Failed to spawn Claude:', error);
				const errorMessage = error instanceof Error ? error.message : String(error);
				const errorLogEntry: LogEntry = {
					id: generateId(),
					timestamp: Date.now(),
					source: 'system',
					text: `Error: Failed to process remote command - ${errorMessage}`,
				};
				setSessions((prev) =>
					prev.map((s) => {
						if (s.id !== sessionId) return s;
						// Reset active tab's state to 'idle' and add error log
						const activeTab = getActiveTab(s);
						const updatedAiTabs =
							s.aiTabs?.length > 0
								? s.aiTabs.map((tab) =>
										tab.id === s.activeTabId
											? {
													...tab,
													state: 'idle' as const,
													thinkingStartTime: undefined,
													logs: [...tab.logs, errorLogEntry],
												}
											: tab
									)
								: s.aiTabs;

						if (!activeTab) {
							// No tabs exist - this is a bug, sessions must have aiTabs
							console.error(
								'[runAICommand error] No active tab found - session has no aiTabs, this should not happen'
							);
							return s;
						}

						return {
							...s,
							state: 'idle' as SessionState,
							busySource: undefined,
							thinkingStartTime: undefined,
							aiTabs: updatedAiTabs,
						};
					})
				);
			}
		};
		window.addEventListener('maestro:remoteCommand', handleRemoteCommand);
		return () => window.removeEventListener('maestro:remoteCommand', handleRemoteCommand);
	}, [addLogToActiveTab]);

	// Listen for tour UI actions to control right panel state
	useEffect(() => {
		const handleTourAction = (event: Event) => {
			const customEvent = event as CustomEvent<{
				type: string;
				value?: string;
			}>;
			const { type, value } = customEvent.detail;

			switch (type) {
				case 'setRightTab':
					if (value === 'files' || value === 'history' || value === 'autorun') {
						setActiveRightTab(value as RightPanelTab);
					}
					break;
				case 'openRightPanel':
					setRightPanelOpen(true);
					break;
				case 'closeRightPanel':
					setRightPanelOpen(false);
					break;
				// hamburger menu actions are handled by SessionList.tsx
				default:
					break;
			}
		};

		window.addEventListener('tour:action', handleTourAction);
		return () => window.removeEventListener('tour:action', handleTourAction);
	}, []);

	// Process a queued item (called from onExit when queue has items)
	// Handles both 'message' and 'command' types
	const processQueuedItem = async (sessionId: string, item: QueuedItem) => {
		// Use sessionsRef.current to get the latest session state (avoids stale closure)
		const session = sessionsRef.current.find((s) => s.id === sessionId);
		if (!session) {
			console.error('[processQueuedItem] Session not found:', sessionId);
			return;
		}

		// Find the TARGET tab for this queued item (NOT the active tab!)
		// The item carries its intended tabId from when it was queued
		const targetTab = session.aiTabs.find((tab) => tab.id === item.tabId) || getActiveTab(session);
		const targetSessionId = `${sessionId}-ai-${targetTab?.id || 'default'}`;

		try {
			// Get agent configuration for this session's tool type
			const agent = await window.maestro.agents.get(session.toolType);
			if (!agent) throw new Error(`Agent not found for toolType: ${session.toolType}`);

			// Get the TARGET TAB's agentSessionId for session continuity
			// (not the active tab or deprecated session-level one)
			const tabAgentSessionId = targetTab?.agentSessionId;
			const isReadOnly = item.readOnlyMode || targetTab?.readOnlyMode;

			// Filter out YOLO/skip-permissions flags when read-only mode is active
			// (they would override the read-only mode we're requesting)
			// - Claude Code: --dangerously-skip-permissions
			// - Codex: --dangerously-bypass-approvals-and-sandbox
			const spawnArgs = isReadOnly
				? (agent.args || []).filter(
						(arg) =>
							arg !== '--dangerously-skip-permissions' &&
							arg !== '--dangerously-bypass-approvals-and-sandbox'
					)
				: [...(agent.args || [])];

			// Note: agentSessionId and readOnlyMode are passed to spawn() config below.
			// The main process uses agent-specific argument builders (resumeArgs, readOnlyArgs)
			// to construct the correct CLI args for each agent type.

			const commandToUse = agent.path ?? agent.command;

			// Check if this is a message with images but no text
			const hasImages = item.images && item.images.length > 0;
			const hasText = item.text && item.text.trim();
			const isImageOnlyMessage = item.type === 'message' && hasImages && !hasText;

			if (item.type === 'message' && (hasText || isImageOnlyMessage)) {
				// Process a message - spawn agent with the message text
				// If user sends only an image without text, inject the default image-only prompt
				let effectivePrompt = isImageOnlyMessage ? DEFAULT_IMAGE_ONLY_PROMPT : item.text!;

				// For NEW sessions (no agentSessionId), prepend Maestro system prompt
				// This introduces Maestro and sets directory restrictions for the agent
				const isNewSession = !tabAgentSessionId;
				if (isNewSession && maestroSystemPrompt) {
					// Get git branch for template substitution
					let gitBranch: string | undefined;
					if (session.isGitRepo) {
						try {
							const status = await gitService.getStatus(session.cwd);
							gitBranch = status.branch;
						} catch {
							// Ignore git errors
						}
					}

					// Substitute template variables in the system prompt
					const substitutedSystemPrompt = substituteTemplateVariables(maestroSystemPrompt, {
						session,
						gitBranch,
						conductorProfile,
					});

					// Prepend system prompt to user's message
					effectivePrompt = `${substitutedSystemPrompt}\n\n---\n\n# User Request\n\n${effectivePrompt}`;
				}

				console.log('[processQueuedItem] Spawning agent with queued message:', {
					sessionId: targetSessionId,
					toolType: session.toolType,
					prompt: effectivePrompt,
					promptLength: effectivePrompt?.length,
					hasAgentSessionId: !!tabAgentSessionId,
					agentSessionId: tabAgentSessionId,
					isReadOnly,
					argsLength: spawnArgs.length,
					args: spawnArgs,
				});

				await window.maestro.process.spawn({
					sessionId: targetSessionId,
					toolType: session.toolType,
					cwd: session.cwd,
					command: commandToUse,
					args: spawnArgs,
					prompt: effectivePrompt,
					images: hasImages ? item.images : undefined,
					// Generic spawn options - main process builds agent-specific args
					agentSessionId: tabAgentSessionId ?? undefined,
					readOnlyMode: isReadOnly,
					// Per-session config overrides (if set)
					sessionCustomPath: session.customPath,
					sessionCustomArgs: session.customArgs,
					sessionCustomEnvVars: session.customEnvVars,
					sessionCustomModel: session.customModel,
					sessionCustomContextWindow: session.customContextWindow,
					// Per-session SSH remote config (takes precedence over agent-level SSH config)
					sessionSshRemoteConfig: session.sessionSshRemoteConfig,
				});
			} else if (item.type === 'command' && item.command) {
				// Process a slash command - find the matching custom AI command, speckit command, or openspec command
				// Use refs to get latest values and avoid stale closure
				const matchingCommand =
					customAICommandsRef.current.find((cmd) => cmd.command === item.command) ||
					speckitCommandsRef.current.find((cmd) => cmd.command === item.command) ||
					openspecCommandsRef.current.find((cmd) => cmd.command === item.command);
				if (matchingCommand) {
					// Substitute template variables
					let gitBranch: string | undefined;
					if (session.isGitRepo) {
						try {
							const status = await gitService.getStatus(session.cwd);
							gitBranch = status.branch;
						} catch {
							// Ignore git errors
						}
					}

					// First substitute $ARGUMENTS with the command arguments (spec-kit/openspec style)
					// This handles prompts like "/speckit.plan Blah blah" where "Blah blah" replaces $ARGUMENTS
					let promptWithArgs = matchingCommand.prompt;
					if (item.commandArgs) {
						promptWithArgs = promptWithArgs.replace(/\$ARGUMENTS/g, item.commandArgs);
					} else {
						// If no arguments provided, replace $ARGUMENTS with empty string
						promptWithArgs = promptWithArgs.replace(/\$ARGUMENTS/g, '');
					}

					// Then substitute {{TEMPLATE_VARIABLES}}
					const substitutedPrompt = substituteTemplateVariables(promptWithArgs, {
						session,
						gitBranch,
						conductorProfile,
					});

					// For NEW sessions (no agentSessionId), prepend Maestro system prompt
					// This introduces Maestro and sets directory restrictions for the agent
					// Keep original prompt separate for user log (don't show system prompt in chat)
					const isNewSessionForCommand = !tabAgentSessionId;
					let promptForAgent = substitutedPrompt;
					if (isNewSessionForCommand && maestroSystemPrompt) {
						// Substitute template variables in the system prompt
						const substitutedSystemPrompt = substituteTemplateVariables(maestroSystemPrompt, {
							session,
							gitBranch,
							conductorProfile,
						});

						// Prepend system prompt to command's prompt (for agent only)
						promptForAgent = `${substitutedSystemPrompt}\n\n---\n\n# User Request\n\n${substitutedPrompt}`;
					}

					// Add user log showing the command with its interpolated prompt
					// Use original substitutedPrompt (without system context) for display
					addLogToTab(
						sessionId,
						{
							source: 'user',
							text: substitutedPrompt,
							aiCommand: {
								command: matchingCommand.command,
								description: matchingCommand.description,
							},
						},
						item.tabId
					);

					// Track this command for automatic synopsis on completion
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== sessionId) return s;
							return {
								...s,
								pendingAICommandForSynopsis: matchingCommand.command,
							};
						})
					);

					// Spawn agent with the prompt (includes system context for new sessions)
					await window.maestro.process.spawn({
						sessionId: targetSessionId,
						toolType: session.toolType,
						cwd: session.cwd,
						command: commandToUse,
						args: spawnArgs,
						prompt: promptForAgent,
						// Generic spawn options - main process builds agent-specific args
						agentSessionId: tabAgentSessionId ?? undefined,
						readOnlyMode: isReadOnly,
						// Per-session config overrides (if set)
						sessionCustomPath: session.customPath,
						sessionCustomArgs: session.customArgs,
						sessionCustomEnvVars: session.customEnvVars,
						sessionCustomModel: session.customModel,
						sessionCustomContextWindow: session.customContextWindow,
						// Per-session SSH remote config (takes precedence over agent-level SSH config)
						sessionSshRemoteConfig: session.sessionSshRemoteConfig,
					});
				} else {
					// Unknown command - add error log
					const errorLogEntry: LogEntry = {
						id: generateId(),
						timestamp: Date.now(),
						source: 'system',
						text: `Unknown command: ${item.command}`,
					};
					addLogToActiveTab(sessionId, errorLogEntry);
					// Set session back to idle with full state cleanup
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== sessionId) return s;
							// Reset the target tab's state too
							const updatedAiTabs = s.aiTabs?.map((tab) =>
								tab.id === item.tabId
									? {
											...tab,
											state: 'idle' as const,
											thinkingStartTime: undefined,
										}
									: tab
							);
							return {
								...s,
								state: 'idle' as SessionState,
								busySource: undefined,
								thinkingStartTime: undefined,
								aiTabs: updatedAiTabs,
							};
						})
					);
				}
			}
		} catch (error: any) {
			console.error('[processQueuedItem] Failed to process queued item:', error);
			const errorLogEntry: LogEntry = {
				id: generateId(),
				timestamp: Date.now(),
				source: 'system',
				text: `Error: Failed to process queued ${item.type} - ${error.message}`,
			};
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== sessionId) return s;
					// Reset active tab's state to 'idle' and add error log
					const activeTab = getActiveTab(s);
					const updatedAiTabs =
						s.aiTabs?.length > 0
							? s.aiTabs.map((tab) =>
									tab.id === s.activeTabId
										? {
												...tab,
												state: 'idle' as const,
												thinkingStartTime: undefined,
												logs: [...tab.logs, errorLogEntry],
											}
										: tab
								)
							: s.aiTabs;

					if (!activeTab) {
						// No tabs exist - this is a bug, sessions must have aiTabs
						console.error(
							'[processQueuedItem error] No active tab found - session has no aiTabs, this should not happen'
						);
						return s;
					}

					return {
						...s,
						state: 'idle',
						busySource: undefined,
						thinkingStartTime: undefined,
						aiTabs: updatedAiTabs,
					};
				})
			);
		}
	};

	// Update ref for processQueuedItem so batch exit handler can use it
	processQueuedItemRef.current = processQueuedItem;

	// Process any queued items left over from previous session (after app restart)
	// This ensures queued messages aren't stuck forever when app restarts
	const processedQueuesOnStartup = useRef(false);
	useEffect(() => {
		// Only run once after sessions are loaded
		if (!sessionsLoaded || processedQueuesOnStartup.current) return;
		processedQueuesOnStartup.current = true;

		// Find sessions with queued items that are idle (stuck from previous session)
		const sessionsWithQueuedItems = sessions.filter(
			(s) => s.state === 'idle' && s.executionQueue && s.executionQueue.length > 0
		);

		if (sessionsWithQueuedItems.length > 0) {
			console.log(
				`[App] Found ${sessionsWithQueuedItems.length} session(s) with leftover queued items from previous session`
			);

			// Process the first queued item from each session
			// Delay to ensure all refs and handlers are set up
			setTimeout(() => {
				sessionsWithQueuedItems.forEach((session) => {
					const firstItem = session.executionQueue[0];
					console.log(
						`[App] Processing leftover queued item for session ${session.id}:`,
						firstItem
					);

					// Set session to busy and remove item from queue
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== session.id) return s;

							const [, ...remainingQueue] = s.executionQueue;
							const targetTab =
								s.aiTabs.find((tab) => tab.id === firstItem.tabId) || getActiveTab(s);

							// Set the target tab to busy
							const updatedAiTabs = s.aiTabs.map((tab) =>
								tab.id === targetTab?.id
									? {
											...tab,
											state: 'busy' as const,
											thinkingStartTime: Date.now(),
										}
									: tab
							);

							return {
								...s,
								state: 'busy' as SessionState,
								busySource: 'ai',
								thinkingStartTime: Date.now(),
								currentCycleTokens: 0,
								currentCycleBytes: 0,
								executionQueue: remainingQueue,
								aiTabs: updatedAiTabs,
							};
						})
					);

					// Process the item
					processQueuedItem(session.id, firstItem);
				});
			}, 500); // Small delay to ensure everything is initialized
		}
	}, [sessionsLoaded, sessions]);

	const handleInterrupt = async () => {
		if (!activeSession) return;

		const currentMode = activeSession.inputMode;
		const activeTab = getActiveTab(activeSession);
		const targetSessionId =
			currentMode === 'ai'
				? `${activeSession.id}-ai-${activeTab?.id || 'default'}`
				: `${activeSession.id}-terminal`;

		try {
			// Cancel any pending synopsis processes for this session
			// This prevents synopsis from running after the user clicks Stop
			await cancelPendingSynopsis(activeSession.id);

			// Send interrupt signal (Ctrl+C)
			await window.maestro.process.interrupt(targetSessionId);

			// Check if there are queued items to process after interrupt
			const currentSession = sessionsRef.current.find((s) => s.id === activeSession.id);
			let queuedItemToProcess: { sessionId: string; item: QueuedItem } | null = null;

			if (currentSession && currentSession.executionQueue.length > 0) {
				queuedItemToProcess = {
					sessionId: activeSession.id,
					item: currentSession.executionQueue[0],
				};
			}

			// Create canceled log entry for AI mode interrupts
			const canceledLog: LogEntry | null =
				currentMode === 'ai'
					? {
							id: generateId(),
							timestamp: Date.now(),
							source: 'system',
							text: 'Canceled by user',
						}
					: null;

			// Set state to idle with full cleanup, or process next queued item
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;

					// If there are queued items, start processing the next one
					if (s.executionQueue.length > 0) {
						const [nextItem, ...remainingQueue] = s.executionQueue;
						const targetTab = s.aiTabs.find((tab) => tab.id === nextItem.tabId) || getActiveTab(s);

						if (!targetTab) {
							return {
								...s,
								state: 'busy' as SessionState,
								busySource: 'ai',
								executionQueue: remainingQueue,
								thinkingStartTime: Date.now(),
								currentCycleTokens: 0,
								currentCycleBytes: 0,
							};
						}

						// Set the interrupted tab to idle, and the target tab for queued item to busy
						// Also add the canceled log to the interrupted tab
						let updatedAiTabs = s.aiTabs.map((tab) => {
							if (tab.id === targetTab.id) {
								return {
									...tab,
									state: 'busy' as const,
									thinkingStartTime: Date.now(),
								};
							}
							// Set any other busy tabs to idle (they were interrupted) and add canceled log
							// Also clear any thinking/tool logs since the process was interrupted
							if (tab.state === 'busy') {
								const logsWithoutThinkingOrTools = tab.logs.filter(
									(log) => log.source !== 'thinking' && log.source !== 'tool'
								);
								const updatedLogs = canceledLog
									? [...logsWithoutThinkingOrTools, canceledLog]
									: logsWithoutThinkingOrTools;
								return {
									...tab,
									state: 'idle' as const,
									thinkingStartTime: undefined,
									logs: updatedLogs,
								};
							}
							return tab;
						});

						// For message items, add a log entry to the target tab
						if (nextItem.type === 'message' && nextItem.text) {
							const logEntry: LogEntry = {
								id: generateId(),
								timestamp: Date.now(),
								source: 'user',
								text: nextItem.text,
								images: nextItem.images,
							};
							updatedAiTabs = updatedAiTabs.map((tab) =>
								tab.id === targetTab.id ? { ...tab, logs: [...tab.logs, logEntry] } : tab
							);
						}

						return {
							...s,
							state: 'busy' as SessionState,
							busySource: 'ai',
							aiTabs: updatedAiTabs,
							executionQueue: remainingQueue,
							thinkingStartTime: Date.now(),
							currentCycleTokens: 0,
							currentCycleBytes: 0,
						};
					}

					// No queued items, just go to idle and add canceled log to the active tab
					// Also clear any thinking/tool logs since the process was interrupted
					const activeTabForCancel = getActiveTab(s);
					const updatedAiTabsForIdle =
						canceledLog && activeTabForCancel
							? s.aiTabs.map((tab) => {
									if (tab.id === activeTabForCancel.id) {
										const logsWithoutThinkingOrTools = tab.logs.filter(
											(log) => log.source !== 'thinking' && log.source !== 'tool'
										);
										return {
											...tab,
											logs: [...logsWithoutThinkingOrTools, canceledLog],
											state: 'idle' as const,
											thinkingStartTime: undefined,
										};
									}
									return tab;
								})
							: s.aiTabs.map((tab) => {
									if (tab.state === 'busy') {
										const logsWithoutThinkingOrTools = tab.logs.filter(
											(log) => log.source !== 'thinking' && log.source !== 'tool'
										);
										return {
											...tab,
											state: 'idle' as const,
											thinkingStartTime: undefined,
											logs: logsWithoutThinkingOrTools,
										};
									}
									return tab;
								});

					return {
						...s,
						state: 'idle',
						busySource: undefined,
						thinkingStartTime: undefined,
						aiTabs: updatedAiTabsForIdle,
					};
				})
			);

			// Process the queued item after state update
			if (queuedItemToProcess) {
				setTimeout(() => {
					processQueuedItem(queuedItemToProcess!.sessionId, queuedItemToProcess!.item);
				}, 0);
			}
		} catch (error) {
			console.error('Failed to interrupt process:', error);

			// If interrupt fails, offer to kill the process
			const shouldKill = confirm(
				'Failed to interrupt the process gracefully. Would you like to force kill it?\n\n' +
					'Warning: This may cause data loss or leave the process in an inconsistent state.'
			);

			if (shouldKill) {
				try {
					await window.maestro.process.kill(targetSessionId);

					const killLog: LogEntry = {
						id: generateId(),
						timestamp: Date.now(),
						source: 'system',
						text: 'Process forcefully terminated',
					};

					// Check if there are queued items to process after kill
					const currentSessionForKill = sessionsRef.current.find((s) => s.id === activeSession.id);
					let queuedItemAfterKill: {
						sessionId: string;
						item: QueuedItem;
					} | null = null;

					if (currentSessionForKill && currentSessionForKill.executionQueue.length > 0) {
						queuedItemAfterKill = {
							sessionId: activeSession.id,
							item: currentSessionForKill.executionQueue[0],
						};
					}

					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== activeSession.id) return s;

							// Add kill log to the appropriate place and clear thinking/tool logs
							const updatedSession = { ...s };
							if (currentMode === 'ai') {
								const tab = getActiveTab(s);
								if (tab) {
									updatedSession.aiTabs = s.aiTabs.map((t) => {
										if (t.id === tab.id) {
											const logsWithoutThinkingOrTools = t.logs.filter(
												(log) => log.source !== 'thinking' && log.source !== 'tool'
											);
											return {
												...t,
												logs: [...logsWithoutThinkingOrTools, killLog],
											};
										}
										return t;
									});
								}
							} else {
								updatedSession.shellLogs = [...s.shellLogs, killLog];
							}

							// If there are queued items, start processing the next one
							if (s.executionQueue.length > 0) {
								const [nextItem, ...remainingQueue] = s.executionQueue;
								const targetTab =
									s.aiTabs.find((tab) => tab.id === nextItem.tabId) || getActiveTab(s);

								if (!targetTab) {
									return {
										...updatedSession,
										state: 'busy' as SessionState,
										busySource: 'ai',
										executionQueue: remainingQueue,
										thinkingStartTime: Date.now(),
										currentCycleTokens: 0,
										currentCycleBytes: 0,
									};
								}

								// Set tabs appropriately and clear thinking/tool logs from interrupted tabs
								let updatedAiTabs = updatedSession.aiTabs.map((tab) => {
									if (tab.id === targetTab.id) {
										return {
											...tab,
											state: 'busy' as const,
											thinkingStartTime: Date.now(),
										};
									}
									if (tab.state === 'busy') {
										const logsWithoutThinkingOrTools = tab.logs.filter(
											(log) => log.source !== 'thinking' && log.source !== 'tool'
										);
										return {
											...tab,
											state: 'idle' as const,
											thinkingStartTime: undefined,
											logs: logsWithoutThinkingOrTools,
										};
									}
									return tab;
								});

								// For message items, add a log entry to the target tab
								if (nextItem.type === 'message' && nextItem.text) {
									const logEntry: LogEntry = {
										id: generateId(),
										timestamp: Date.now(),
										source: 'user',
										text: nextItem.text,
										images: nextItem.images,
									};
									updatedAiTabs = updatedAiTabs.map((tab) =>
										tab.id === targetTab.id ? { ...tab, logs: [...tab.logs, logEntry] } : tab
									);
								}

								return {
									...updatedSession,
									state: 'busy' as SessionState,
									busySource: 'ai',
									aiTabs: updatedAiTabs,
									executionQueue: remainingQueue,
									thinkingStartTime: Date.now(),
									currentCycleTokens: 0,
									currentCycleBytes: 0,
								};
							}

							// No queued items, just go to idle and clear thinking logs
							if (currentMode === 'ai') {
								const tab = getActiveTab(s);
								if (!tab)
									return {
										...updatedSession,
										state: 'idle',
										busySource: undefined,
										thinkingStartTime: undefined,
									};
								return {
									...updatedSession,
									state: 'idle',
									busySource: undefined,
									thinkingStartTime: undefined,
									aiTabs: updatedSession.aiTabs.map((t) => {
										if (t.id === tab.id) {
											const logsWithoutThinkingOrTools = t.logs.filter(
												(log) => log.source !== 'thinking' && log.source !== 'tool'
											);
											return {
												...t,
												state: 'idle' as const,
												thinkingStartTime: undefined,
												logs: logsWithoutThinkingOrTools,
											};
										}
										return t;
									}),
								};
							}
							return {
								...updatedSession,
								state: 'idle',
								busySource: undefined,
								thinkingStartTime: undefined,
							};
						})
					);

					// Process the queued item after state update
					if (queuedItemAfterKill) {
						setTimeout(() => {
							processQueuedItem(queuedItemAfterKill!.sessionId, queuedItemAfterKill!.item);
						}, 0);
					}
				} catch (killError: unknown) {
					console.error('Failed to kill process:', killError);
					const killErrorMessage =
						killError instanceof Error ? killError.message : String(killError);
					const errorLog: LogEntry = {
						id: generateId(),
						timestamp: Date.now(),
						source: 'system',
						text: `Error: Failed to terminate process - ${killErrorMessage}`,
					};
					setSessions((prev) =>
						prev.map((s) => {
							if (s.id !== activeSession.id) return s;
							if (currentMode === 'ai') {
								const tab = getActiveTab(s);
								if (!tab)
									return {
										...s,
										state: 'idle',
										busySource: undefined,
										thinkingStartTime: undefined,
									};
								return {
									...s,
									state: 'idle',
									busySource: undefined,
									thinkingStartTime: undefined,
									aiTabs: s.aiTabs.map((t) => {
										if (t.id === tab.id) {
											// Clear thinking/tool logs even on error
											const logsWithoutThinkingOrTools = t.logs.filter(
												(log) => log.source !== 'thinking' && log.source !== 'tool'
											);
											return {
												...t,
												state: 'idle' as const,
												thinkingStartTime: undefined,
												logs: [...logsWithoutThinkingOrTools, errorLog],
											};
										}
										return t;
									}),
								};
							}
							return {
								...s,
								shellLogs: [...s.shellLogs, errorLog],
								state: 'idle',
								busySource: undefined,
								thinkingStartTime: undefined,
							};
						})
					);
				}
			}
		}
	};

	const handleInputKeyDown = (e: React.KeyboardEvent) => {
		// Cmd+F opens output search from input field - handle first, before any modal logic
		if (e.key === 'f' && (e.metaKey || e.ctrlKey)) {
			e.preventDefault();
			setOutputSearchOpen(true);
			return;
		}

		// Handle command history modal
		if (commandHistoryOpen) {
			return; // Let the modal handle keys
		}

		// Handle tab completion dropdown (terminal mode only)
		if (tabCompletionOpen && activeSession?.inputMode === 'terminal') {
			if (e.key === 'ArrowDown') {
				e.preventDefault();
				const newIndex = Math.min(
					selectedTabCompletionIndex + 1,
					tabCompletionSuggestions.length - 1
				);
				setSelectedTabCompletionIndex(newIndex);
				// Sync file tree to highlight the corresponding file/folder
				syncFileTreeToTabCompletion(tabCompletionSuggestions[newIndex]);
				return;
			} else if (e.key === 'ArrowUp') {
				e.preventDefault();
				const newIndex = Math.max(selectedTabCompletionIndex - 1, 0);
				setSelectedTabCompletionIndex(newIndex);
				// Sync file tree to highlight the corresponding file/folder
				syncFileTreeToTabCompletion(tabCompletionSuggestions[newIndex]);
				return;
			} else if (e.key === 'Tab') {
				e.preventDefault();
				// Tab cycles through filter types (only in git repos, otherwise just accept)
				if (activeSession?.isGitRepo) {
					const filters: TabCompletionFilter[] = ['all', 'history', 'branch', 'tag', 'file'];
					const currentIndex = filters.indexOf(tabCompletionFilter);
					// Shift+Tab goes backwards, Tab goes forwards
					const nextIndex = e.shiftKey
						? (currentIndex - 1 + filters.length) % filters.length
						: (currentIndex + 1) % filters.length;
					setTabCompletionFilter(filters[nextIndex]);
					setSelectedTabCompletionIndex(0);
				} else {
					// In non-git repos, Tab accepts the selection (like Enter)
					if (tabCompletionSuggestions[selectedTabCompletionIndex]) {
						setInputValue(tabCompletionSuggestions[selectedTabCompletionIndex].value);
						syncFileTreeToTabCompletion(tabCompletionSuggestions[selectedTabCompletionIndex]);
					}
					setTabCompletionOpen(false);
				}
				return;
			} else if (e.key === 'Enter') {
				e.preventDefault();
				if (tabCompletionSuggestions[selectedTabCompletionIndex]) {
					setInputValue(tabCompletionSuggestions[selectedTabCompletionIndex].value);
					// Final sync on acceptance
					syncFileTreeToTabCompletion(tabCompletionSuggestions[selectedTabCompletionIndex]);
				}
				setTabCompletionOpen(false);
				return;
			} else if (e.key === 'Escape') {
				e.preventDefault();
				setTabCompletionOpen(false);
				inputRef.current?.focus();
				return;
			}
		}

		// Handle @ mention completion dropdown (AI mode only)
		if (atMentionOpen && activeSession?.inputMode === 'ai') {
			if (e.key === 'ArrowDown') {
				e.preventDefault();
				setSelectedAtMentionIndex((prev) => Math.min(prev + 1, atMentionSuggestions.length - 1));
				return;
			} else if (e.key === 'ArrowUp') {
				e.preventDefault();
				setSelectedAtMentionIndex((prev) => Math.max(prev - 1, 0));
				return;
			} else if (e.key === 'Tab' || e.key === 'Enter') {
				e.preventDefault();
				const selected = atMentionSuggestions[selectedAtMentionIndex];
				if (selected) {
					// Replace the @filter with the selected file path
					const beforeAt = inputValue.substring(0, atMentionStartIndex);
					const afterFilter = inputValue.substring(
						atMentionStartIndex + 1 + atMentionFilter.length
					);
					setInputValue(beforeAt + '@' + selected.value + ' ' + afterFilter);
				}
				setAtMentionOpen(false);
				setAtMentionFilter('');
				setAtMentionStartIndex(-1);
				return;
			} else if (e.key === 'Escape') {
				e.preventDefault();
				setAtMentionOpen(false);
				setAtMentionFilter('');
				setAtMentionStartIndex(-1);
				inputRef.current?.focus();
				return;
			}
		}

		// Handle slash command autocomplete
		if (slashCommandOpen) {
			const isTerminalMode = activeSession?.inputMode === 'terminal';
			const filteredCommands = allSlashCommands.filter((cmd) => {
				// Check if command is only available in terminal mode
				if ('terminalOnly' in cmd && cmd.terminalOnly && !isTerminalMode) return false;
				// Check if command is only available in AI mode
				if ('aiOnly' in cmd && cmd.aiOnly && isTerminalMode) return false;
				// Check if command matches input
				return cmd.command.toLowerCase().startsWith(inputValue.toLowerCase());
			});

			if (e.key === 'ArrowDown') {
				e.preventDefault();
				setSelectedSlashCommandIndex((prev) => Math.min(prev + 1, filteredCommands.length - 1));
			} else if (e.key === 'ArrowUp') {
				e.preventDefault();
				setSelectedSlashCommandIndex((prev) => Math.max(prev - 1, 0));
			} else if (e.key === 'Tab' || e.key === 'Enter') {
				// Tab or Enter fills in the command text (user can then press Enter again to execute)
				e.preventDefault();
				if (filteredCommands[selectedSlashCommandIndex]) {
					setInputValue(filteredCommands[selectedSlashCommandIndex].command);
					setSlashCommandOpen(false);
					inputRef.current?.focus();
				}
			} else if (e.key === 'Escape') {
				e.preventDefault();
				setSlashCommandOpen(false);
			}
			return;
		}

		if (e.key === 'Enter') {
			// Use the appropriate setting based on input mode
			const currentEnterToSend =
				activeSession?.inputMode === 'terminal' ? enterToSendTerminal : enterToSendAI;

			if (currentEnterToSend && !e.shiftKey && !e.metaKey) {
				e.preventDefault();
				processInput();
			} else if (!currentEnterToSend && (e.metaKey || e.ctrlKey)) {
				e.preventDefault();
				processInput();
			}
		} else if (e.key === 'Escape') {
			e.preventDefault();
			inputRef.current?.blur();
			terminalOutputRef.current?.focus();
		} else if (e.key === 'ArrowUp') {
			// Only show command history in terminal mode, not AI mode
			if (activeSession?.inputMode === 'terminal') {
				e.preventDefault();
				setCommandHistoryOpen(true);
				setCommandHistoryFilter(inputValue);
				setCommandHistorySelectedIndex(0);
			}
		} else if (e.key === 'Tab') {
			// Always prevent default Tab behavior to avoid focus change
			e.preventDefault();

			// Tab completion in terminal mode when not showing slash commands
			if (activeSession?.inputMode === 'terminal' && !slashCommandOpen) {
				// Only show suggestions if there's input
				if (inputValue.trim()) {
					const suggestions = getTabCompletionSuggestions(inputValue);
					if (suggestions.length > 0) {
						// If only one suggestion, auto-complete it
						if (suggestions.length === 1) {
							setInputValue(suggestions[0].value);
						} else {
							// Show dropdown for multiple suggestions
							setSelectedTabCompletionIndex(0);
							setTabCompletionFilter('all'); // Reset filter when opening
							setTabCompletionOpen(true);
						}
					}
				}
			}
			// In AI mode, Tab is already handled by @ mention completion above
			// We just need to prevent default here
		}
	};

	// Image Handlers
	const showImageAttachBlockedNotice = useCallback(() => {
		const agentName = activeSession?.toolType
			? getProviderDisplayName(activeSession.toolType)
			: 'the agent';
		const message = `Images are only available in the initial message to ${agentName}. Please start a new session if you want to include an image.`;
		setSuccessFlashNotification(message);
		setTimeout(() => setSuccessFlashNotification(null), 4000);
	}, [setSuccessFlashNotification, activeSession?.toolType]);

	const handlePaste = (e: React.ClipboardEvent) => {
		// Allow image pasting in group chat or direct AI mode
		const isGroupChatActive = !!activeGroupChatId;
		const isDirectAIMode = activeSession && activeSession.inputMode === 'ai';

		const items = e.clipboardData.items;
		const hasImage = Array.from(items).some((item) => item.type.startsWith('image/'));

		// Handle text paste with whitespace trimming (for direct input only - GroupChatInput handles its own)
		if (!hasImage && !isGroupChatActive) {
			const text = e.clipboardData.getData('text/plain');
			if (text) {
				const trimmedText = text.trim();
				// Only intercept if trimming actually changed the text
				if (trimmedText !== text) {
					e.preventDefault();
					const target = e.target as HTMLTextAreaElement;
					const start = target.selectionStart ?? 0;
					const end = target.selectionEnd ?? 0;
					const currentValue = target.value;
					const newValue = currentValue.slice(0, start) + trimmedText + currentValue.slice(end);
					setInputValue(newValue);
					// Set cursor position after the pasted text
					requestAnimationFrame(() => {
						target.selectionStart = target.selectionEnd = start + trimmedText.length;
					});
				}
			}
			return;
		}

		// Image handling requires AI mode or group chat
		if (!isGroupChatActive && !isDirectAIMode) return;

		if (hasImage && isDirectAIMode && !isGroupChatActive && blockCodexResumeImages) {
			e.preventDefault();
			showImageAttachBlockedNotice();
			return;
		}

		for (let i = 0; i < items.length; i++) {
			if (items[i].type.indexOf('image') !== -1) {
				e.preventDefault();
				const blob = items[i].getAsFile();
				if (blob) {
					const reader = new FileReader();
					reader.onload = (event) => {
						if (event.target?.result) {
							const imageData = event.target!.result as string;
							if (isGroupChatActive) {
								setGroupChatStagedImages((prev) => {
									if (prev.includes(imageData)) {
										setSuccessFlashNotification('Duplicate image ignored');
										setTimeout(() => setSuccessFlashNotification(null), 2000);
										return prev;
									}
									return [...prev, imageData];
								});
							} else {
								setStagedImages((prev) => {
									if (prev.includes(imageData)) {
										setSuccessFlashNotification('Duplicate image ignored');
										setTimeout(() => setSuccessFlashNotification(null), 2000);
										return prev;
									}
									return [...prev, imageData];
								});
							}
						}
					};
					reader.readAsDataURL(blob);
				}
			}
		}
	};

	const handleDrop = (e: React.DragEvent) => {
		e.preventDefault();
		dragCounterRef.current = 0;
		setIsDraggingImage(false);

		// Allow image dropping in group chat or direct AI mode
		const isGroupChatActive = !!activeGroupChatId;
		const isDirectAIMode = activeSession && activeSession.inputMode === 'ai';

		if (!isGroupChatActive && !isDirectAIMode) return;

		const files = e.dataTransfer.files;
		const hasImage = Array.from(files).some((file) => file.type.startsWith('image/'));

		if (hasImage && isDirectAIMode && !isGroupChatActive && blockCodexResumeImages) {
			showImageAttachBlockedNotice();
			return;
		}

		for (let i = 0; i < files.length; i++) {
			if (files[i].type.startsWith('image/')) {
				const reader = new FileReader();
				reader.onload = (event) => {
					if (event.target?.result) {
						const imageData = event.target!.result as string;
						if (isGroupChatActive) {
							setGroupChatStagedImages((prev) => {
								if (prev.includes(imageData)) {
									setSuccessFlashNotification('Duplicate image ignored');
									setTimeout(() => setSuccessFlashNotification(null), 2000);
									return prev;
								}
								return [...prev, imageData];
							});
						} else {
							setStagedImages((prev) => {
								if (prev.includes(imageData)) {
									setSuccessFlashNotification('Duplicate image ignored');
									setTimeout(() => setSuccessFlashNotification(null), 2000);
									return prev;
								}
								return [...prev, imageData];
							});
						}
					}
				};
				reader.readAsDataURL(files[i]);
			}
		}
	};

	// --- FILE TREE MANAGEMENT ---
	// Extracted hook for file tree operations (refresh, git state, filtering)
	const { refreshFileTree, refreshGitFileState, filteredFileTree } = useFileTreeManagement({
		sessions,
		sessionsRef,
		setSessions,
		activeSessionId,
		activeSession,
		fileTreeFilter,
		rightPanelRef,
		sshRemoteIgnorePatterns: settings.sshRemoteIgnorePatterns,
		sshRemoteHonorGitignore: settings.sshRemoteHonorGitignore,
	});

	// --- GROUP MANAGEMENT ---
	// Extracted hook for group CRUD operations (toggle, rename, create, drag-drop)
	const {
		toggleGroup,
		startRenamingGroup,
		finishRenamingGroup,
		createNewGroup,
		handleDropOnGroup,
		handleDropOnUngrouped,
		modalState: groupModalState,
	} = useGroupManagement({
		groups,
		setGroups,
		setSessions,
		draggingSessionId,
		setDraggingSessionId,
		editingGroupId,
		setEditingGroupId,
	});

	// Destructure group modal state for use in JSX
	const { createGroupModalOpen, setCreateGroupModalOpen } = groupModalState;

	// State to track session that should be moved to newly created group
	const [pendingMoveToGroupSessionId, setPendingMoveToGroupSessionId] = useState<string | null>(
		null
	);

	// Group Modal Handlers (stable callbacks for AppGroupModals)
	// Must be defined after groupModalState destructure since setCreateGroupModalOpen comes from there
	const handleCloseCreateGroupModal = useCallback(() => {
		setCreateGroupModalOpen(false);
		setPendingMoveToGroupSessionId(null); // Clear pending move on close
	}, [setCreateGroupModalOpen]);
	const handleCloseRenameGroupModal = useCallback(() => {
		setRenameGroupModalOpen(false);
	}, []);

	// Handler for when a new group is created - move pending session to it
	const handleGroupCreated = useCallback(
		(groupId: string) => {
			if (pendingMoveToGroupSessionId) {
				setSessions((prev) =>
					prev.map((s) => (s.id === pendingMoveToGroupSessionId ? { ...s, groupId } : s))
				);
				setPendingMoveToGroupSessionId(null);
			}
		},
		[pendingMoveToGroupSessionId, setSessions]
	);

	// Handler for "Create New Group" from context menu - sets pending session and opens modal
	const handleCreateGroupAndMove = useCallback(
		(sessionId: string) => {
			setPendingMoveToGroupSessionId(sessionId);
			setCreateGroupModalOpen(true);
		},
		[setCreateGroupModalOpen]
	);

	// Worktree Modal Handlers (stable callbacks for AppWorktreeModals)
	const handleCloseWorktreeConfigModal = useCallback(() => {
		setWorktreeConfigModalOpen(false);
	}, []);

	const handleSaveWorktreeConfig = useCallback(
		async (config: { basePath: string; watchEnabled: boolean }) => {
			if (!activeSession) return;

			// Save the config first
			setSessions((prev) =>
				prev.map((s) => (s.id === activeSession.id ? { ...s, worktreeConfig: config } : s))
			);

			// Scan for worktrees and create sub-agent sessions
			// Get SSH remote ID for parent session (check both runtime and config)
			const parentSshRemoteId =
				activeSession.sshRemoteId || activeSession.sessionSshRemoteConfig?.remoteId || undefined;
			try {
				const scanResult = await window.maestro.git.scanWorktreeDirectory(
					config.basePath,
					parentSshRemoteId
				);
				const { gitSubdirs } = scanResult;

				if (gitSubdirs.length > 0) {
					const newWorktreeSessions: Session[] = [];

					for (const subdir of gitSubdirs) {
						// Skip main/master/HEAD branches - they're typically the main repo
						if (
							subdir.branch === 'main' ||
							subdir.branch === 'master' ||
							subdir.branch === 'HEAD'
						) {
							continue;
						}

						// Check if a session already exists for this worktree
						const existingSession = sessions.find(
							(s) => s.parentSessionId === activeSession.id && s.worktreeBranch === subdir.branch
						);
						if (existingSession) {
							continue;
						}

						// Also check by path
						const existingByPath = sessions.find((s) => s.cwd === subdir.path);
						if (existingByPath) {
							continue;
						}

						const newId = generateId();
						const initialTabId = generateId();
						const initialTab: AITab = {
							id: initialTabId,
							agentSessionId: null,
							name: null,
							starred: false,
							logs: [],
							inputValue: '',
							stagedImages: [],
							createdAt: Date.now(),
							state: 'idle',
							saveToHistory: defaultSaveToHistory,
							showThinking: defaultShowThinking,
						};

						// Fetch git info for this subdirectory (with SSH support)
						let gitBranches: string[] | undefined;
						let gitTags: string[] | undefined;
						let gitRefsCacheTime: number | undefined;

						try {
							[gitBranches, gitTags] = await Promise.all([
								gitService.getBranches(subdir.path, parentSshRemoteId),
								gitService.getTags(subdir.path, parentSshRemoteId),
							]);
							gitRefsCacheTime = Date.now();
						} catch {
							// Ignore errors fetching git info
						}

						const worktreeSession: Session = {
							id: newId,
							name: subdir.branch || subdir.name,
							groupId: activeSession.groupId,
							toolType: activeSession.toolType,
							state: 'idle',
							cwd: subdir.path,
							fullPath: subdir.path,
							projectRoot: subdir.path,
							isGitRepo: true,
							gitBranches,
							gitTags,
							gitRefsCacheTime,
							parentSessionId: activeSession.id,
							worktreeBranch: subdir.branch || undefined,
							// Inherit SSH configuration from parent session
							sessionSshRemoteConfig: activeSession.sessionSshRemoteConfig,
							aiLogs: [],
							shellLogs: [
								{
									id: generateId(),
									timestamp: Date.now(),
									source: 'system',
									text: 'Worktree Session Ready.',
								},
							],
							workLog: [],
							contextUsage: 0,
							inputMode: activeSession.toolType === 'terminal' ? 'terminal' : 'ai',
							aiPid: 0,
							terminalPid: 0,
							port: 3000 + Math.floor(Math.random() * 100),
							isLive: false,
							changedFiles: [],
							fileTree: [],
							fileExplorerExpanded: [],
							fileExplorerScrollPos: 0,
							fileTreeAutoRefreshInterval: 180,
							shellCwd: subdir.path,
							aiCommandHistory: [],
							shellCommandHistory: [],
							executionQueue: [],
							activeTimeMs: 0,
							aiTabs: [initialTab],
							activeTabId: initialTabId,
							closedTabHistory: [],
							filePreviewTabs: [],
							activeFileTabId: null,
							unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
							unifiedClosedTabHistory: [],
							customPath: activeSession.customPath,
							customArgs: activeSession.customArgs,
							customEnvVars: activeSession.customEnvVars,
							customModel: activeSession.customModel,
							customContextWindow: activeSession.customContextWindow,
							nudgeMessage: activeSession.nudgeMessage,
							autoRunFolderPath: activeSession.autoRunFolderPath,
						};

						newWorktreeSessions.push(worktreeSession);
					}

					if (newWorktreeSessions.length > 0) {
						setSessions((prev) => [...prev, ...newWorktreeSessions]);
						// Expand worktrees on parent
						setSessions((prev) =>
							prev.map((s) => (s.id === activeSession.id ? { ...s, worktreesExpanded: true } : s))
						);
						addToast({
							type: 'success',
							title: 'Worktrees Discovered',
							message: `Found ${newWorktreeSessions.length} worktree sub-agent${
								newWorktreeSessions.length > 1 ? 's' : ''
							}`,
						});
					}
				}
			} catch (err) {
				console.error('Failed to scan for worktrees:', err);
			}
		},
		[activeSession, sessions, addToast]
	);

	const handleDisableWorktreeConfig = useCallback(() => {
		if (!activeSession) return;

		// Count worktree children that will be removed
		const worktreeChildCount = sessions.filter(
			(s) => s.parentSessionId === activeSession.id
		).length;

		setSessions((prev) =>
			prev
				// Remove all worktree children of this parent
				.filter((s) => s.parentSessionId !== activeSession.id)
				// Clear worktree config on the parent
				.map((s) =>
					s.id === activeSession.id
						? { ...s, worktreeConfig: undefined, worktreeParentPath: undefined }
						: s
				)
		);

		const childMessage =
			worktreeChildCount > 0
				? ` Removed ${worktreeChildCount} worktree sub-agent${worktreeChildCount > 1 ? 's' : ''}.`
				: '';

		addToast({
			type: 'success',
			title: 'Worktrees Disabled',
			message: `Worktree configuration cleared for this agent.${childMessage}`,
		});
	}, [activeSession, sessions, addToast]);

	const handleCreateWorktreeFromConfig = useCallback(
		async (branchName: string, basePath: string) => {
			if (!activeSession || !basePath) {
				addToast({
					type: 'error',
					title: 'Error',
					message: 'No worktree directory configured',
				});
				return;
			}

			const worktreePath = `${basePath}/${branchName}`;
			console.log('[WorktreeConfig] Create worktree:', branchName, 'at', worktreePath);

			// Get SSH remote ID for remote worktree operations
			// Note: sshRemoteId is only set after AI agent spawns. For terminal-only SSH sessions,
			// we must fall back to sessionSshRemoteConfig.remoteId. See CLAUDE.md "SSH Remote Sessions".
			const sshRemoteId =
				activeSession.sshRemoteId || activeSession.sessionSshRemoteConfig?.remoteId || undefined;

			try {
				// Create the worktree via git (pass SSH remote ID for remote sessions)
				const result = await window.maestro.git.worktreeSetup(
					activeSession.cwd,
					worktreePath,
					branchName,
					sshRemoteId
				);

				if (!result.success) {
					throw new Error(result.error || 'Failed to create worktree');
				}

				// Create a new session for the worktree, inheriting all config from parent
				const newId = generateId();
				const initialTabId = generateId();
				const initialTab: AITab = {
					id: initialTabId,
					agentSessionId: null,
					name: null,
					starred: false,
					logs: [],
					inputValue: '',
					stagedImages: [],
					createdAt: Date.now(),
					state: 'idle',
					saveToHistory: defaultSaveToHistory,
					showThinking: defaultShowThinking,
				};

				// Fetch git info for the worktree (pass SSH remote ID for remote sessions)
				let gitBranches: string[] | undefined;
				let gitTags: string[] | undefined;
				let gitRefsCacheTime: number | undefined;

				try {
					[gitBranches, gitTags] = await Promise.all([
						gitService.getBranches(worktreePath, sshRemoteId),
						gitService.getTags(worktreePath, sshRemoteId),
					]);
					gitRefsCacheTime = Date.now();
				} catch {
					// Ignore errors
				}

				const worktreeSession: Session = {
					id: newId,
					name: branchName,
					groupId: activeSession.groupId,
					toolType: activeSession.toolType,
					state: 'idle',
					cwd: worktreePath,
					fullPath: worktreePath,
					projectRoot: worktreePath,
					isGitRepo: true,
					gitBranches,
					gitTags,
					gitRefsCacheTime,
					parentSessionId: activeSession.id,
					worktreeBranch: branchName,
					aiLogs: [],
					shellLogs: [
						{
							id: generateId(),
							timestamp: Date.now(),
							source: 'system',
							text: 'Worktree Session Ready.',
						},
					],
					workLog: [],
					contextUsage: 0,
					inputMode: activeSession.toolType === 'terminal' ? 'terminal' : 'ai',
					aiPid: 0,
					terminalPid: 0,
					port: 3000 + Math.floor(Math.random() * 100),
					isLive: false,
					changedFiles: [],
					fileTree: [],
					fileExplorerExpanded: [],
					fileExplorerScrollPos: 0,
					fileTreeAutoRefreshInterval: 180,
					shellCwd: worktreePath,
					aiCommandHistory: [],
					shellCommandHistory: [],
					executionQueue: [],
					activeTimeMs: 0,
					aiTabs: [initialTab],
					activeTabId: initialTabId,
					closedTabHistory: [],
					filePreviewTabs: [],
					activeFileTabId: null,
					unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
					unifiedClosedTabHistory: [],
					customPath: activeSession.customPath,
					customArgs: activeSession.customArgs,
					customEnvVars: activeSession.customEnvVars,
					customModel: activeSession.customModel,
					customContextWindow: activeSession.customContextWindow,
					nudgeMessage: activeSession.nudgeMessage,
					autoRunFolderPath: activeSession.autoRunFolderPath,
					// Inherit SSH configuration from parent session
					sessionSshRemoteConfig: activeSession.sessionSshRemoteConfig,
				};

				setSessions((prev) => [...prev, worktreeSession]);

				// Expand parent's worktrees
				setSessions((prev) =>
					prev.map((s) => (s.id === activeSession.id ? { ...s, worktreesExpanded: true } : s))
				);

				addToast({
					type: 'success',
					title: 'Worktree Created',
					message: branchName,
				});
			} catch (err) {
				console.error('[WorktreeConfig] Failed to create worktree:', err);
				addToast({
					type: 'error',
					title: 'Failed to Create Worktree',
					message: err instanceof Error ? err.message : String(err),
				});
				throw err; // Re-throw so the modal can show the error
			}
		},
		[activeSession, defaultSaveToHistory, addToast]
	);

	const handleCloseCreateWorktreeModal = useCallback(() => {
		setCreateWorktreeModalOpen(false);
		setCreateWorktreeSession(null);
	}, []);

	const handleCreateWorktree = useCallback(
		async (branchName: string) => {
			if (!createWorktreeSession) return;

			// Determine base path: use configured path or default to parent directory
			const basePath =
				createWorktreeSession.worktreeConfig?.basePath ||
				createWorktreeSession.cwd.replace(/\/[^/]+$/, '') + '/worktrees';

			const worktreePath = `${basePath}/${branchName}`;
			console.log('[CreateWorktree] Create worktree:', branchName, 'at', worktreePath);

			// Get SSH remote ID for remote worktree operations
			// Note: sshRemoteId is only set after AI agent spawns. For terminal-only SSH sessions,
			// we must fall back to sessionSshRemoteConfig.remoteId. See CLAUDE.md "SSH Remote Sessions".
			const sshRemoteId =
				createWorktreeSession.sshRemoteId ||
				createWorktreeSession.sessionSshRemoteConfig?.remoteId ||
				undefined;

			// Create the worktree via git (pass SSH remote ID for remote sessions)
			const result = await window.maestro.git.worktreeSetup(
				createWorktreeSession.cwd,
				worktreePath,
				branchName,
				sshRemoteId
			);

			if (!result.success) {
				throw new Error(result.error || 'Failed to create worktree');
			}

			// Create a new session for the worktree, inheriting all config from parent
			const newId = generateId();
			const initialTabId = generateId();
			const initialTab: AITab = {
				id: initialTabId,
				agentSessionId: null,
				name: null,
				starred: false,
				logs: [],
				inputValue: '',
				stagedImages: [],
				createdAt: Date.now(),
				state: 'idle',
				saveToHistory: defaultSaveToHistory,
				showThinking: defaultShowThinking,
			};

			// Fetch git info for the worktree (pass SSH remote ID for remote sessions)
			let gitBranches: string[] | undefined;
			let gitTags: string[] | undefined;
			let gitRefsCacheTime: number | undefined;

			try {
				[gitBranches, gitTags] = await Promise.all([
					gitService.getBranches(worktreePath, sshRemoteId),
					gitService.getTags(worktreePath, sshRemoteId),
				]);
				gitRefsCacheTime = Date.now();
			} catch {
				// Ignore errors
			}

			const worktreeSession: Session = {
				id: newId,
				name: branchName,
				groupId: createWorktreeSession.groupId,
				toolType: createWorktreeSession.toolType,
				state: 'idle',
				cwd: worktreePath,
				fullPath: worktreePath,
				projectRoot: worktreePath,
				isGitRepo: true,
				gitBranches,
				gitTags,
				gitRefsCacheTime,
				parentSessionId: createWorktreeSession.id,
				worktreeBranch: branchName,
				aiLogs: [],
				shellLogs: [
					{
						id: generateId(),
						timestamp: Date.now(),
						source: 'system',
						text: 'Worktree Session Ready.',
					},
				],
				workLog: [],
				contextUsage: 0,
				inputMode: createWorktreeSession.toolType === 'terminal' ? 'terminal' : 'ai',
				aiPid: 0,
				terminalPid: 0,
				port: 3000 + Math.floor(Math.random() * 100),
				isLive: false,
				changedFiles: [],
				fileTree: [],
				fileExplorerExpanded: [],
				fileExplorerScrollPos: 0,
				fileTreeAutoRefreshInterval: 180,
				shellCwd: worktreePath,
				aiCommandHistory: [],
				shellCommandHistory: [],
				executionQueue: [],
				activeTimeMs: 0,
				aiTabs: [initialTab],
				activeTabId: initialTabId,
				closedTabHistory: [],
				filePreviewTabs: [],
				activeFileTabId: null,
				unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
				unifiedClosedTabHistory: [],
				customPath: createWorktreeSession.customPath,
				customArgs: createWorktreeSession.customArgs,
				customEnvVars: createWorktreeSession.customEnvVars,
				customModel: createWorktreeSession.customModel,
				customContextWindow: createWorktreeSession.customContextWindow,
				nudgeMessage: createWorktreeSession.nudgeMessage,
				autoRunFolderPath: createWorktreeSession.autoRunFolderPath,
				// Inherit SSH configuration from parent session
				sessionSshRemoteConfig: createWorktreeSession.sessionSshRemoteConfig,
			};

			setSessions((prev) => [...prev, worktreeSession]);

			// Expand parent's worktrees
			setSessions((prev) =>
				prev.map((s) => (s.id === createWorktreeSession.id ? { ...s, worktreesExpanded: true } : s))
			);

			// Save worktree config if not already configured
			if (!createWorktreeSession.worktreeConfig?.basePath) {
				setSessions((prev) =>
					prev.map((s) =>
						s.id === createWorktreeSession.id
							? { ...s, worktreeConfig: { basePath, watchEnabled: true } }
							: s
					)
				);
			}

			addToast({
				type: 'success',
				title: 'Worktree Created',
				message: branchName,
			});
		},
		[createWorktreeSession, defaultSaveToHistory, addToast]
	);

	const handleCloseCreatePRModal = useCallback(() => {
		setCreatePRModalOpen(false);
		setCreatePRSession(null);
	}, []);

	const handlePRCreated = useCallback(
		async (prDetails: PRDetails) => {
			const session = createPRSession || activeSession;
			addToast({
				type: 'success',
				title: 'Pull Request Created',
				message: prDetails.title,
				actionUrl: prDetails.url,
				actionLabel: prDetails.url,
			});
			// Add history entry with PR details
			if (session) {
				await window.maestro.history.add({
					id: generateId(),
					type: 'USER',
					timestamp: Date.now(),
					summary: `Created PR: ${prDetails.title}`,
					fullResponse: [
						`**Pull Request:** [${prDetails.title}](${prDetails.url})`,
						`**Branch:** ${prDetails.sourceBranch} → ${prDetails.targetBranch}`,
						prDetails.description ? `**Description:** ${prDetails.description}` : '',
					]
						.filter(Boolean)
						.join('\n\n'),
					projectPath: session.projectRoot || session.cwd,
					sessionId: session.id,
					sessionName: session.name,
				});
				rightPanelRef.current?.refreshHistoryPanel();
			}
			setCreatePRSession(null);
		},
		[createPRSession, activeSession, addToast]
	);

	const handleCloseDeleteWorktreeModal = useCallback(() => {
		setDeleteWorktreeModalOpen(false);
		setDeleteWorktreeSession(null);
	}, []);

	const handleConfirmDeleteWorktree = useCallback(() => {
		if (!deleteWorktreeSession) return;
		// Remove the session but keep the worktree on disk
		setSessions((prev) => prev.filter((s) => s.id !== deleteWorktreeSession.id));
	}, [deleteWorktreeSession]);

	const handleConfirmAndDeleteWorktreeOnDisk = useCallback(async () => {
		if (!deleteWorktreeSession) return;
		// Remove the session AND delete the worktree from disk
		const result = await window.maestro.git.removeWorktree(deleteWorktreeSession.cwd, true);
		if (!result.success) {
			throw new Error(result.error || 'Failed to remove worktree');
		}
		setSessions((prev) => prev.filter((s) => s.id !== deleteWorktreeSession.id));
	}, [deleteWorktreeSession]);

	// AppUtilityModals stable callbacks
	const handleCloseLightbox = useCallback(() => {
		setLightboxImage(null);
		setLightboxImages([]);
		setLightboxSource('history');
		lightboxIsGroupChatRef.current = false;
		lightboxAllowDeleteRef.current = false;
		// Return focus to input after closing carousel
		setTimeout(() => inputRef.current?.focus(), 0);
	}, []);
	const handleNavigateLightbox = useCallback((img: string) => setLightboxImage(img), []);
	const handleDeleteLightboxImage = useCallback(
		(img: string) => {
			// Use ref for group chat check - refs are set synchronously before React batches state updates
			if (lightboxIsGroupChatRef.current) {
				setGroupChatStagedImages((prev) => prev.filter((i) => i !== img));
			} else {
				setStagedImages((prev) => prev.filter((i) => i !== img));
			}
			// Also update lightboxImages so the lightbox navigation stays in sync
			// (lightboxImages is a snapshot taken when the lightbox opened, so it gets stale on deletion)
			setLightboxImages(lightboxImages.filter((i) => i !== img));
		},
		[setStagedImages, setLightboxImages, lightboxImages]
	);
	const handleCloseAutoRunSetup = useCallback(() => setAutoRunSetupModalOpen(false), []);
	const handleCloseBatchRunner = useCallback(() => setBatchRunnerModalOpen(false), []);
	const handleSaveBatchPrompt = useCallback(
		(prompt: string) => {
			if (!activeSession) return;
			// Save the custom prompt and modification timestamp to the session (persisted across restarts)
			setSessions((prev) =>
				prev.map((s) =>
					s.id === activeSession.id
						? {
								...s,
								batchRunnerPrompt: prompt,
								batchRunnerPromptModifiedAt: Date.now(),
							}
						: s
				)
			);
		},
		[activeSession]
	);
	const handleCloseTabSwitcher = useCallback(() => setTabSwitcherOpen(false), []);
	const handleUtilityTabSelect = useCallback(
		(tabId: string) => {
			if (!activeSession) return;
			// Clear activeFileTabId when selecting an AI tab
			setSessions((prev) =>
				prev.map((s) =>
					s.id === activeSession.id ? { ...s, activeTabId: tabId, activeFileTabId: null } : s
				)
			);
		},
		[activeSession]
	);
	const handleUtilityFileTabSelect = useCallback(
		(tabId: string) => {
			if (!activeSession) return;
			// Set activeFileTabId, keep activeTabId as-is (for when returning to AI tabs)
			setSessions((prev) =>
				prev.map((s) => (s.id === activeSession.id ? { ...s, activeFileTabId: tabId } : s))
			);
		},
		[activeSession]
	);
	const handleNamedSessionSelect = useCallback(
		(agentSessionId: string, _projectPath: string, sessionName: string, starred?: boolean) => {
			// Open a closed named session as a new tab - use handleResumeSession to properly load messages
			handleResumeSession(agentSessionId, [], sessionName, starred);
			// Focus input so user can start interacting immediately
			setActiveFocus('main');
			setTimeout(() => inputRef.current?.focus(), 50);
		},
		[handleResumeSession, setActiveFocus]
	);
	const handleCloseFileSearch = useCallback(() => setFuzzyFileSearchOpen(false), []);
	const handleFileSearchSelect = useCallback(
		(file: FlatFileItem) => {
			// Preview the file directly (handleFileClick expects relative path)
			if (!file.isFolder) {
				handleFileClick({ name: file.name, type: 'file' }, file.fullPath);
			}
		},
		[handleFileClick]
	);
	const handleClosePromptComposer = useCallback(() => {
		setPromptComposerOpen(false);
		setTimeout(() => inputRef.current?.focus(), 0);
	}, []);
	const handlePromptComposerSubmit = useCallback(
		(value: string) => {
			if (activeGroupChatId) {
				// Update group chat draft
				setGroupChats((prev) =>
					prev.map((c) => (c.id === activeGroupChatId ? { ...c, draftMessage: value } : c))
				);
			} else {
				setInputValue(value);
			}
		},
		[activeGroupChatId]
	);
	const handlePromptComposerSend = useCallback(
		(value: string) => {
			if (activeGroupChatId) {
				// Send to group chat
				handleSendGroupChatMessage(
					value,
					groupChatStagedImages.length > 0 ? groupChatStagedImages : undefined,
					groupChatReadOnlyMode
				);
				setGroupChatStagedImages([]);
				// Clear draft
				setGroupChats((prev) =>
					prev.map((c) => (c.id === activeGroupChatId ? { ...c, draftMessage: '' } : c))
				);
			} else {
				// Set the input value and trigger send
				setInputValue(value);
				// Use setTimeout to ensure state updates before processing
				setTimeout(() => processInput(value), 0);
			}
		},
		[
			activeGroupChatId,
			groupChatStagedImages,
			groupChatReadOnlyMode,
			handleSendGroupChatMessage,
			processInput,
		]
	);
	const handlePromptToggleTabSaveToHistory = useCallback(() => {
		if (!activeSession) return;
		const activeTab = getActiveTab(activeSession);
		if (!activeTab) return;
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((tab) =>
						tab.id === activeTab.id ? { ...tab, saveToHistory: !tab.saveToHistory } : tab
					),
				};
			})
		);
	}, [activeSession, getActiveTab]);
	const handlePromptToggleTabReadOnlyMode = useCallback(() => {
		if (activeGroupChatId) {
			setGroupChatReadOnlyMode((prev) => !prev);
		} else {
			if (!activeSession) return;
			const activeTab = getActiveTab(activeSession);
			if (!activeTab) return;
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) =>
							tab.id === activeTab.id ? { ...tab, readOnlyMode: !tab.readOnlyMode } : tab
						),
					};
				})
			);
		}
	}, [activeGroupChatId, activeSession, getActiveTab]);
	const handlePromptToggleTabShowThinking = useCallback(() => {
		if (!activeSession) return;
		const activeTab = getActiveTab(activeSession);
		if (!activeTab) return;
		// Cycle through: off -> on -> sticky -> off
		const cycleThinkingMode = (current: ThinkingMode | undefined): ThinkingMode => {
			if (!current || current === 'off') return 'on';
			if (current === 'on') return 'sticky';
			return 'off';
		};
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((tab) => {
						if (tab.id !== activeTab.id) return tab;
						const newMode = cycleThinkingMode(tab.showThinking);
						// When turning OFF, clear thinking logs
						if (newMode === 'off') {
							return {
								...tab,
								showThinking: 'off',
								logs: tab.logs.filter((log) => log.source !== 'thinking'),
							};
						}
						return { ...tab, showThinking: newMode };
					}),
				};
			})
		);
	}, [activeSession, getActiveTab]);
	const handlePromptToggleEnterToSend = useCallback(
		() => setEnterToSendAI(!enterToSendAI),
		[enterToSendAI]
	);

	// QuickActionsModal stable callbacks
	const handleQuickActionsRenameTab = useCallback(() => {
		if (activeSession?.inputMode === 'ai' && activeSession.activeTabId) {
			const activeTab = activeSession.aiTabs?.find((t) => t.id === activeSession.activeTabId);
			// Only allow rename if tab has an active Claude session
			if (activeTab?.agentSessionId) {
				setRenameTabId(activeTab.id);
				setRenameTabInitialName(getInitialRenameValue(activeTab));
				setRenameTabModalOpen(true);
			}
		}
	}, [activeSession, getInitialRenameValue]);
	const handleQuickActionsToggleReadOnlyMode = useCallback(() => {
		if (activeSession?.inputMode === 'ai' && activeSession.activeTabId) {
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) =>
							tab.id === s.activeTabId ? { ...tab, readOnlyMode: !tab.readOnlyMode } : tab
						),
					};
				})
			);
		}
	}, [activeSession]);
	const handleQuickActionsToggleTabShowThinking = useCallback(() => {
		if (activeSession?.inputMode === 'ai' && activeSession.activeTabId) {
			// Cycle through: off -> on -> sticky -> off
			const cycleThinkingMode = (current: ThinkingMode | undefined): ThinkingMode => {
				if (!current || current === 'off') return 'on';
				if (current === 'on') return 'sticky';
				return 'off';
			};
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== activeSession.id) return s;
					return {
						...s,
						aiTabs: s.aiTabs.map((tab) => {
							if (tab.id !== s.activeTabId) return tab;
							const newMode = cycleThinkingMode(tab.showThinking);
							// When turning OFF, clear any thinking/tool logs
							if (newMode === 'off') {
								return {
									...tab,
									showThinking: 'off',
									logs: tab.logs.filter((l) => l.source !== 'thinking' && l.source !== 'tool'),
								};
							}
							return { ...tab, showThinking: newMode };
						}),
					};
				})
			);
		}
	}, [activeSession]);
	const handleQuickActionsOpenTabSwitcher = useCallback(() => {
		if (activeSession?.inputMode === 'ai' && activeSession.aiTabs) {
			setTabSwitcherOpen(true);
		}
	}, [activeSession]);
	const handleQuickActionsRefreshGitFileState = useCallback(async () => {
		if (activeSessionId) {
			// Refresh file tree, branches/tags, and history
			await refreshGitFileState(activeSessionId);
			// Also refresh git info in main panel header (branch, ahead/behind, uncommitted)
			await mainPanelRef.current?.refreshGitInfo();
			setSuccessFlashNotification('Files, Git, History Refreshed');
			setTimeout(() => setSuccessFlashNotification(null), 2000);
		}
	}, [activeSessionId, refreshGitFileState, setSuccessFlashNotification]);
	const handleQuickActionsDebugReleaseQueuedItem = useCallback(() => {
		if (!activeSession || activeSession.executionQueue.length === 0) return;
		const [nextItem, ...remainingQueue] = activeSession.executionQueue;
		// Update state to remove item from queue
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSessionId) return s;
				return { ...s, executionQueue: remainingQueue };
			})
		);
		// Process the item
		processQueuedItem(activeSessionId, nextItem);
	}, [activeSession, activeSessionId, processQueuedItem]);
	const handleQuickActionsToggleMarkdownEditMode = useCallback(() => {
		// Toggle the appropriate mode based on context:
		// - If file tab is active: toggle file edit mode (markdownEditMode)
		// - If no file tab: toggle chat raw text mode (chatRawTextMode)
		if (activeSession?.activeFileTabId) {
			setMarkdownEditMode(!markdownEditMode);
		} else {
			setChatRawTextMode(!chatRawTextMode);
		}
	}, [
		activeSession?.activeFileTabId,
		markdownEditMode,
		chatRawTextMode,
		setMarkdownEditMode,
		setChatRawTextMode,
	]);
	const handleQuickActionsStartTour = useCallback(() => {
		setTourFromWizard(false);
		setTourOpen(true);
	}, []);
	const handleQuickActionsEditAgent = useCallback((session: Session) => {
		setEditAgentSession(session);
		setEditAgentModalOpen(true);
	}, []);
	const handleQuickActionsNewGroupChat = useCallback(() => setShowNewGroupChatModal(true), []);
	const handleQuickActionsOpenMergeSession = useCallback(() => setMergeSessionModalOpen(true), []);
	const handleQuickActionsOpenSendToAgent = useCallback(() => setSendToAgentModalOpen(true), []);
	const handleQuickActionsOpenCreatePR = useCallback((session: Session) => {
		setCreatePRSession(session);
		setCreatePRModalOpen(true);
	}, []);
	const handleQuickActionsSummarizeAndContinue = useCallback(
		() => handleSummarizeAndContinue(),
		[handleSummarizeAndContinue]
	);
	const handleQuickActionsToggleRemoteControl = useCallback(async () => {
		await toggleGlobalLive();
		// Show flash notification based on the NEW state (opposite of current)
		if (isLiveMode) {
			// Was live, now offline
			setSuccessFlashNotification('Remote Control: OFFLINE — See indicator at top of left panel');
		} else {
			// Was offline, now live
			setSuccessFlashNotification(
				'Remote Control: LIVE — See LIVE indicator at top of left panel for QR code'
			);
		}
		setTimeout(() => setSuccessFlashNotification(null), 4000);
	}, [toggleGlobalLive, isLiveMode, setSuccessFlashNotification]);
	const handleQuickActionsAutoRunResetTasks = useCallback(() => {
		rightPanelRef.current?.openAutoRunResetTasksModal();
	}, []);

	const handleCloseQueueBrowser = useCallback(() => setQueueBrowserOpen(false), []);
	const handleRemoveQueueItem = useCallback((sessionId: string, itemId: string) => {
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== sessionId) return s;
				return {
					...s,
					executionQueue: s.executionQueue.filter((item) => item.id !== itemId),
				};
			})
		);
	}, []);
	const handleSwitchQueueSession = useCallback(
		(sessionId: string) => {
			setActiveSessionId(sessionId);
		},
		[setActiveSessionId]
	);
	const handleReorderQueueItems = useCallback(
		(sessionId: string, fromIndex: number, toIndex: number) => {
			setSessions((prev) =>
				prev.map((s) => {
					if (s.id !== sessionId) return s;
					const queue = [...s.executionQueue];
					const [removed] = queue.splice(fromIndex, 1);
					queue.splice(toIndex, 0, removed);
					return { ...s, executionQueue: queue };
				})
			);
		},
		[]
	);

	// Update keyboardHandlerRef synchronously during render (before effects run)
	// This must be placed after all handler functions and state are defined to avoid TDZ errors
	// The ref is provided by useMainKeyboardHandler hook
	keyboardHandlerRef.current = {
		shortcuts,
		activeFocus,
		activeRightTab,
		sessions,
		selectedSidebarIndex,
		activeSessionId,
		quickActionOpen,
		settingsModalOpen,
		shortcutsHelpOpen,
		newInstanceModalOpen,
		aboutModalOpen,
		processMonitorOpen,
		logViewerOpen,
		createGroupModalOpen,
		confirmModalOpen,
		renameInstanceModalOpen,
		renameGroupModalOpen,
		activeSession,
		fileTreeFilter,
		fileTreeFilterOpen,
		gitDiffPreview,
		gitLogOpen,
		lightboxImage,
		hasOpenLayers,
		hasOpenModal,
		visibleSessions,
		sortedSessions,
		groups,
		bookmarksCollapsed,
		leftSidebarOpen,
		editingSessionId,
		editingGroupId,
		markdownEditMode,
		chatRawTextMode,
		defaultSaveToHistory,
		defaultShowThinking,
		setLeftSidebarOpen,
		setRightPanelOpen,
		addNewSession,
		deleteSession,
		setQuickActionInitialMode,
		setQuickActionOpen,
		cycleSession,
		toggleInputMode,
		setShortcutsHelpOpen,
		setSettingsModalOpen,
		setSettingsTab,
		setActiveRightTab,
		handleSetActiveRightTab,
		setActiveFocus,
		setBookmarksCollapsed,
		setGroups,
		setSelectedSidebarIndex,
		setActiveSessionId,
		handleViewGitDiff,
		setGitLogOpen,
		setActiveAgentSessionId,
		setAgentSessionsOpen,
		setLogViewerOpen,
		setProcessMonitorOpen,
		setUsageDashboardOpen,
		logsEndRef,
		inputRef,
		terminalOutputRef,
		sidebarContainerRef,
		setSessions,
		createTab,
		closeTab,
		reopenUnifiedClosedTab,
		getActiveTab,
		setRenameTabId,
		setRenameTabInitialName,
		// Wizard tab close support - for confirmation modal before closing wizard tabs
		hasActiveWizard,
		performTabClose,
		setConfirmModalOpen,
		setConfirmModalMessage,
		setConfirmModalOnConfirm,
		setRenameTabModalOpen,
		navigateToNextTab,
		navigateToPrevTab,
		navigateToTabByIndex,
		navigateToLastTab,
		navigateToUnifiedTabByIndex,
		navigateToLastUnifiedTab,
		navigateToNextUnifiedTab,
		navigateToPrevUnifiedTab,
		setFileTreeFilterOpen,
		isShortcut,
		isTabShortcut,
		handleNavBack,
		handleNavForward,
		toggleUnreadFilter,
		setTabSwitcherOpen,
		showUnreadOnly,
		stagedImages,
		handleSetLightboxImage,
		setMarkdownEditMode,
		setChatRawTextMode,
		toggleTabStar,
		toggleTabUnread,
		setPromptComposerOpen,
		openWizardModal,
		rightPanelRef,
		setFuzzyFileSearchOpen,
		setMarketplaceModalOpen,
		setSymphonyModalOpen,
		setShowNewGroupChatModal,
		deleteGroupChatWithConfirmation,
		// Group chat context
		activeGroupChatId,
		groupChatInputRef,
		groupChatStagedImages,
		setGroupChatRightTab,
		// Navigation handlers from useKeyboardNavigation hook
		handleSidebarNavigation,
		handleTabNavigation,
		handleEnterToActivate,
		handleEscapeInMain,
		// Agent capabilities
		hasActiveSessionCapability,

		// Merge session modal and send to agent modal
		setMergeSessionModalOpen,
		setSendToAgentModalOpen,
		// Summarize and continue
		canSummarizeActiveTab: (() => {
			if (!activeSession || !activeSession.activeTabId) return false;
			const activeTab = activeSession.aiTabs.find((t) => t.id === activeSession.activeTabId);
			return canSummarize(activeSession.contextUsage, activeTab?.logs);
		})(),
		summarizeAndContinue: handleSummarizeAndContinue,

		// Keyboard mastery gamification
		recordShortcutUsage,
		onKeyboardMasteryLevelUp,

		// Edit agent modal
		setEditAgentSession,
		setEditAgentModalOpen,

		// Auto Run state for keyboard handler
		activeBatchRunState,

		// Bulk tab close handlers
		handleCloseAllTabs,
		handleCloseOtherTabs,
		handleCloseTabsLeft,
		handleCloseTabsRight,

		// Close current tab (Cmd+W) - works with both file and AI tabs
		handleCloseCurrentTab,

		// Session bookmark toggle
		toggleBookmark,
	};

	// Update flat file list when active session's tree, expanded folders, filter, or hidden files setting changes
	useEffect(() => {
		if (!activeSession || !activeSession.fileExplorerExpanded) {
			setFlatFileList([]);
			return;
		}
		const expandedSet = new Set(activeSession.fileExplorerExpanded);

		// Apply hidden files filter to match FileExplorerPanel's display
		const filterHiddenFiles = (nodes: FileNode[]): FileNode[] => {
			if (showHiddenFiles) return nodes;
			return nodes
				.filter((node) => !node.name.startsWith('.'))
				.map((node) => ({
					...node,
					children: node.children ? filterHiddenFiles(node.children) : undefined,
				}));
		};

		// Use filteredFileTree when available (it returns the full tree when no filter is active)
		// Then apply hidden files filter to match what FileExplorerPanel displays
		const displayTree = filterHiddenFiles(filteredFileTree);
		setFlatFileList(flattenTree(displayTree, expandedSet));
	}, [activeSession?.fileExplorerExpanded, filteredFileTree, showHiddenFiles]);

	// Handle pending jump path from /jump command
	useEffect(() => {
		if (!activeSession || activeSession.pendingJumpPath === undefined || flatFileList.length === 0)
			return;

		const jumpPath = activeSession.pendingJumpPath;

		// Find the target index
		let targetIndex = 0;

		if (jumpPath === '') {
			// Jump to root - select first item
			targetIndex = 0;
		} else {
			// Find the folder in the flat list and select it directly
			const folderIndex = flatFileList.findIndex(
				(item) => item.fullPath === jumpPath && item.isFolder
			);

			if (folderIndex !== -1) {
				// Select the folder itself (not its first child)
				targetIndex = folderIndex;
			}
			// If folder not found, stay at 0
		}

		fileTreeKeyboardNavRef.current = true; // Scroll to jumped file
		setSelectedFileIndex(targetIndex);

		// Clear the pending jump path
		setSessions((prev) =>
			prev.map((s) => (s.id === activeSession.id ? { ...s, pendingJumpPath: undefined } : s))
		);
	}, [activeSession?.pendingJumpPath, flatFileList, activeSession?.id]);

	// Scroll to selected file item when selection changes via keyboard
	useEffect(() => {
		// Only scroll when selection changed via keyboard navigation, not mouse click
		if (!fileTreeKeyboardNavRef.current) return;
		fileTreeKeyboardNavRef.current = false; // Reset flag after handling

		// Allow scroll when:
		// 1. Right panel is focused on files tab (normal keyboard navigation)
		// 2. Tab completion is open and files tab is visible (sync from tab completion)
		const shouldScroll =
			(activeFocus === 'right' && activeRightTab === 'files') ||
			(tabCompletionOpen && activeRightTab === 'files');
		if (!shouldScroll) return;

		// Use requestAnimationFrame to ensure DOM is updated
		requestAnimationFrame(() => {
			const container = fileTreeContainerRef.current;
			if (!container) return;

			// Find the selected element
			const selectedElement = container.querySelector(
				`[data-file-index="${selectedFileIndex}"]`
			) as HTMLElement;

			if (selectedElement) {
				// Use scrollIntoView with center alignment to avoid sticky header overlap
				selectedElement.scrollIntoView({
					behavior: 'auto', // Immediate scroll
					block: 'center', // Center in viewport to avoid sticky header at top
					inline: 'nearest',
				});
			}
		});
	}, [selectedFileIndex, activeFocus, activeRightTab, flatFileList, tabCompletionOpen]);

	// File Explorer keyboard navigation
	useEffect(() => {
		const handleFileExplorerKeys = (e: KeyboardEvent) => {
			// Skip when a modal is open (let textarea/input in modal handle arrow keys)
			if (hasOpenModal()) return;

			// Only handle when right panel is focused and on files tab
			if (activeFocus !== 'right' || activeRightTab !== 'files' || flatFileList.length === 0)
				return;

			const expandedFolders = new Set(activeSession?.fileExplorerExpanded || []);

			// Cmd+Arrow: jump to top/bottom
			if ((e.metaKey || e.ctrlKey) && e.key === 'ArrowUp') {
				e.preventDefault();
				fileTreeKeyboardNavRef.current = true;
				setSelectedFileIndex(0);
			} else if ((e.metaKey || e.ctrlKey) && e.key === 'ArrowDown') {
				e.preventDefault();
				fileTreeKeyboardNavRef.current = true;
				setSelectedFileIndex(flatFileList.length - 1);
			}
			// Option+Arrow: page up/down (move by 10 items)
			else if (e.altKey && e.key === 'ArrowUp') {
				e.preventDefault();
				fileTreeKeyboardNavRef.current = true;
				setSelectedFileIndex((prev) => Math.max(0, prev - 10));
			} else if (e.altKey && e.key === 'ArrowDown') {
				e.preventDefault();
				fileTreeKeyboardNavRef.current = true;
				setSelectedFileIndex((prev) => Math.min(flatFileList.length - 1, prev + 10));
			}
			// Regular Arrow: move one item
			else if (e.key === 'ArrowUp') {
				e.preventDefault();
				fileTreeKeyboardNavRef.current = true;
				setSelectedFileIndex((prev) => Math.max(0, prev - 1));
			} else if (e.key === 'ArrowDown') {
				e.preventDefault();
				fileTreeKeyboardNavRef.current = true;
				setSelectedFileIndex((prev) => Math.min(flatFileList.length - 1, prev + 1));
			} else if (e.key === 'ArrowLeft') {
				e.preventDefault();
				const selectedItem = flatFileList[selectedFileIndex];
				if (selectedItem?.isFolder && expandedFolders.has(selectedItem.fullPath)) {
					// If selected item is an expanded folder, collapse it
					toggleFolder(selectedItem.fullPath, activeSessionId, setSessions);
				} else if (selectedItem) {
					// If selected item is a file or collapsed folder, collapse parent folder
					const parentPath = selectedItem.fullPath.substring(
						0,
						selectedItem.fullPath.lastIndexOf('/')
					);
					if (parentPath && expandedFolders.has(parentPath)) {
						toggleFolder(parentPath, activeSessionId, setSessions);
						// Move selection to parent folder
						const parentIndex = flatFileList.findIndex((item) => item.fullPath === parentPath);
						if (parentIndex >= 0) {
							fileTreeKeyboardNavRef.current = true;
							setSelectedFileIndex(parentIndex);
						}
					}
				}
			} else if (e.key === 'ArrowRight') {
				e.preventDefault();
				const selectedItem = flatFileList[selectedFileIndex];
				if (selectedItem?.isFolder && !expandedFolders.has(selectedItem.fullPath)) {
					toggleFolder(selectedItem.fullPath, activeSessionId, setSessions);
				}
			} else if (e.key === 'Enter') {
				e.preventDefault();
				const selectedItem = flatFileList[selectedFileIndex];
				if (selectedItem) {
					if (selectedItem.isFolder) {
						toggleFolder(selectedItem.fullPath, activeSessionId, setSessions);
					} else {
						handleFileClick(selectedItem, selectedItem.fullPath);
					}
				}
			}
		};

		window.addEventListener('keydown', handleFileExplorerKeys);
		return () => window.removeEventListener('keydown', handleFileExplorerKeys);
	}, [
		activeFocus,
		activeRightTab,
		flatFileList,
		selectedFileIndex,
		activeSession?.fileExplorerExpanded,
		activeSessionId,
		setSessions,
		toggleFolder,
		handleFileClick,
		hasOpenModal,
	]);

	// ============================================================================
	// MEMOIZED WIZARD HANDLERS FOR PROPS HOOKS
	// ============================================================================

	// Wizard complete handler - converts wizard tab to normal session with context
	const handleWizardComplete = useCallback(() => {
		if (!activeSession) return;
		const activeTabLocal = getActiveTab(activeSession);
		const wizardState = activeTabLocal?.wizardState;
		if (!wizardState) return;

		// Convert wizard conversation history to log entries
		const wizardLogEntries: LogEntry[] = wizardState.conversationHistory.map((msg) => ({
			id: `wizard-${msg.id}`,
			timestamp: msg.timestamp,
			source: msg.role === 'user' ? 'user' : 'ai',
			text: msg.content,
			delivered: true,
		}));

		// Create summary message with next steps
		const generatedDocs = wizardState.generatedDocuments || [];
		const totalTasks = generatedDocs.reduce((sum, doc) => sum + doc.taskCount, 0);
		const docNames = generatedDocs.map((d) => d.filename).join(', ');

		const summaryMessage: LogEntry = {
			id: `wizard-summary-${Date.now()}`,
			timestamp: Date.now(),
			source: 'ai',
			text:
				`## Wizard Complete\n\n` +
				`Created ${generatedDocs.length} document${
					generatedDocs.length !== 1 ? 's' : ''
				} with ${totalTasks} task${totalTasks !== 1 ? 's' : ''}:\n` +
				`${docNames}\n\n` +
				`**Next steps:**\n` +
				`1. Open the **Auto Run** tab in the right panel to view your playbook\n` +
				`2. Review and edit tasks as needed\n` +
				`3. Click **Run** to start executing tasks automatically\n\n` +
				`You can continue chatting to iterate on your playbook - the AI has full context of what was created.`,
			delivered: true,
		};

		const subfolderName = wizardState.subfolderName || '';
		const tabName = subfolderName || 'Wizard';
		const wizardAgentSessionId = wizardState.agentSessionId;
		const activeTabId = activeTabLocal.id;

		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;
				const updatedTabs = s.aiTabs.map((tab) => {
					if (tab.id !== activeTabId) return tab;
					return {
						...tab,
						logs: [...tab.logs, ...wizardLogEntries, summaryMessage],
						agentSessionId: wizardAgentSessionId || tab.agentSessionId,
						name: tabName,
						wizardState: undefined,
					};
				});
				return { ...s, aiTabs: updatedTabs };
			})
		);

		endInlineWizard();
		handleAutoRunRefresh();
		setInputValue('');
	}, [
		activeSession,
		getActiveTab,
		setSessions,
		endInlineWizard,
		handleAutoRunRefresh,
		setInputValue,
	]);

	// Wizard lets go handler - generates documents for active tab
	const handleWizardLetsGo = useCallback(() => {
		const activeTabLocal = activeSession ? getActiveTab(activeSession) : null;
		if (activeTabLocal) {
			generateInlineWizardDocuments(undefined, activeTabLocal.id);
		}
	}, [activeSession, getActiveTab, generateInlineWizardDocuments]);

	// Wizard toggle thinking handler
	const handleToggleWizardShowThinking = useCallback(() => {
		if (!activeSession) return;
		const activeTabLocal = getActiveTab(activeSession);
		if (!activeTabLocal?.wizardState) return;
		setSessions((prev) =>
			prev.map((s) => {
				if (s.id !== activeSession.id) return s;
				return {
					...s,
					aiTabs: s.aiTabs.map((tab) => {
						if (tab.id !== activeTabLocal.id) return tab;
						if (!tab.wizardState) return tab;
						return {
							...tab,
							wizardState: {
								...tab.wizardState,
								showWizardThinking: !tab.wizardState.showWizardThinking,
								thinkingContent: !tab.wizardState.showWizardThinking
									? ''
									: tab.wizardState.thinkingContent,
							},
						};
					}),
				};
			})
		);
	}, [activeSession, getActiveTab, setSessions]);

	// ============================================================================
	// PROPS HOOKS FOR MAJOR COMPONENTS
	// These hooks memoize the props objects for MainPanel, SessionList, and RightPanel
	// to prevent re-evaluating 50-100+ props on every state change.
	// ============================================================================

	// Stable fileTree reference - prevents FilePreview re-renders during agent activity.
	// Without this, activeSession?.fileTree || [] creates a new empty array on every render
	// when fileTree is undefined, and a new reference whenever activeSession updates.
	const stableFileTree = useMemo(() => activeSession?.fileTree || [], [activeSession?.fileTree]);

	const mainPanelProps = useMainPanelProps({
		// Core state
		logViewerOpen,
		agentSessionsOpen,
		activeAgentSessionId,
		activeSession,
		thinkingSessions,
		theme,
		fontFamily,
		isMobileLandscape,
		activeFocus,
		outputSearchOpen,
		outputSearchQuery,
		inputValue,
		enterToSendAI,
		enterToSendTerminal,
		stagedImages,
		commandHistoryOpen,
		commandHistoryFilter,
		commandHistorySelectedIndex,
		slashCommandOpen,
		slashCommands: allSlashCommands,
		selectedSlashCommandIndex,
		filePreviewLoading,
		markdownEditMode,
		chatRawTextMode,
		shortcuts,
		rightPanelOpen,
		maxOutputLines,
		gitDiffPreview,
		fileTreeFilterOpen,
		logLevel,
		logViewerSelectedLevels,

		// Tab completion state
		tabCompletionOpen,
		tabCompletionSuggestions,
		selectedTabCompletionIndex,
		tabCompletionFilter,

		// @ mention completion state
		atMentionOpen,
		atMentionFilter,
		atMentionStartIndex,
		atMentionSuggestions,
		selectedAtMentionIndex,

		// Batch run state (convert null to undefined for component props)
		activeBatchRunState: activeBatchRunState ?? undefined,
		currentSessionBatchState: currentSessionBatchState ?? undefined,

		// File tree
		fileTree: stableFileTree,

		// File preview navigation (per-tab)
		canGoBack: fileTabCanGoBack,
		canGoForward: fileTabCanGoForward,
		backHistory: fileTabBackHistory,
		forwardHistory: fileTabForwardHistory,
		filePreviewHistoryIndex: activeFileTabNavIndex,

		// Active tab for error handling
		activeTab,

		// Worktree
		isWorktreeChild: !!activeSession?.parentSessionId,

		// Context management settings
		contextWarningsEnabled: contextManagementSettings.contextWarningsEnabled,
		contextWarningYellowThreshold: contextManagementSettings.contextWarningYellowThreshold,
		contextWarningRedThreshold: contextManagementSettings.contextWarningRedThreshold,

		// Summarization progress
		summarizeProgress,
		summarizeResult,
		summarizeStartTime: startTime,
		isSummarizing: summarizeState === 'summarizing',

		// Merge progress
		mergeProgress,
		mergeStartTime,
		isMerging: mergeState === 'merging',
		mergeSourceName,
		mergeTargetName,

		// Gist publishing
		ghCliAvailable,
		hasGist: activeFileTab ? !!fileGistUrls[activeFileTab.path] : false,

		// Unread filter
		showUnreadOnly,

		// Accessibility
		colorBlindMode,

		// Setters
		setLogViewerSelectedLevels,
		setGitDiffPreview,
		setLogViewerOpen,
		setAgentSessionsOpen,
		setActiveAgentSessionId,
		setActiveFocus,
		setOutputSearchOpen,
		setOutputSearchQuery,
		setInputValue,
		setEnterToSendAI,
		setEnterToSendTerminal,
		setStagedImages,
		setCommandHistoryOpen,
		setCommandHistoryFilter,
		setCommandHistorySelectedIndex,
		setSlashCommandOpen,
		setSelectedSlashCommandIndex,
		setTabCompletionOpen,
		setSelectedTabCompletionIndex,
		setTabCompletionFilter,
		setAtMentionOpen,
		setAtMentionFilter,
		setAtMentionStartIndex,
		setSelectedAtMentionIndex,
		setMarkdownEditMode,
		setChatRawTextMode,
		setAboutModalOpen,
		setRightPanelOpen,
		setGitLogOpen,

		// Refs
		inputRef,
		logsEndRef,
		terminalOutputRef,
		fileTreeContainerRef,
		fileTreeFilterInputRef,

		// Handlers
		handleResumeSession,
		handleNewAgentSession,
		toggleInputMode,
		processInput,
		handleInterrupt,
		handleInputKeyDown,
		handlePaste,
		handleDrop,
		getContextColor,
		setActiveSessionId,
		handleStopBatchRun,
		showConfirmation,
		handleDeleteLog,
		handleRemoveQueuedItem,
		handleOpenQueueBrowser,

		// Tab management handlers
		handleTabSelect,
		handleTabClose,
		handleNewTab,
		handleRequestTabRename,
		handleTabReorder,
		handleUnifiedTabReorder,
		handleUpdateTabByClaudeSessionId,
		handleTabStar,
		handleTabMarkUnread,
		handleToggleTabReadOnlyMode,
		handleToggleTabSaveToHistory,
		handleToggleTabShowThinking,
		toggleUnreadFilter,
		handleOpenTabSearch,
		handleCloseAllTabs,
		handleCloseOtherTabs,
		handleCloseTabsLeft,
		handleCloseTabsRight,

		// Unified tab system (Phase 4)
		unifiedTabs,
		activeFileTabId: activeSession?.activeFileTabId ?? null,
		activeFileTab,
		handleFileTabSelect: handleSelectFileTab,
		handleFileTabClose: handleCloseFileTab,
		handleFileTabEditModeChange,
		handleFileTabEditContentChange,
		handleFileTabScrollPositionChange,
		handleFileTabSearchQueryChange,

		handleScrollPositionChange,
		handleAtBottomChange,
		handleMainPanelInputBlur,
		handleOpenPromptComposer,
		handleReplayMessage,
		handleMainPanelFileClick,
		handleNavigateBack: handleFileTabNavigateBack,
		handleNavigateForward: handleFileTabNavigateForward,
		handleNavigateToIndex: handleFileTabNavigateToIndex,
		handleClearFilePreviewHistory,
		handleClearAgentErrorForMainPanel,
		handleShowAgentErrorModal,
		showSuccessFlash,
		handleOpenFuzzySearch,
		handleOpenWorktreeConfig,
		handleOpenCreatePR,
		handleSummarizeAndContinue,
		handleMergeWith,
		handleOpenSendToAgentModal,
		handleCopyContext,
		handleExportHtml,
		handlePublishTabGist,
		cancelTab,
		cancelMergeTab,
		recordShortcutUsage,
		onKeyboardMasteryLevelUp,
		handleSetLightboxImage,

		// Gist publishing
		setGistPublishModalOpen,

		// Document Graph
		setGraphFocusFilePath,
		setLastGraphFocusFilePath,
		setIsGraphViewOpen,

		// Wizard callbacks
		generateInlineWizardDocuments,
		retryInlineWizardMessage,
		clearInlineWizardError,
		endInlineWizard,
		handleAutoRunRefresh,

		// Complex wizard handlers
		onWizardComplete: handleWizardComplete,
		onWizardLetsGo: handleWizardLetsGo,
		onWizardRetry: retryInlineWizardMessage,
		onWizardClearError: clearInlineWizardError,
		onToggleWizardShowThinking: handleToggleWizardShowThinking,

		// File tree refresh
		refreshFileTree,

		// Helper functions
		getActiveTab,
	});

	const sessionListProps = useSessionListProps({
		// Core state
		theme,
		sessions,
		groups,
		sortedSessions,
		activeSessionId,
		leftSidebarOpen,
		leftSidebarWidth,
		activeFocus,
		selectedSidebarIndex,
		editingGroupId,
		editingSessionId,
		draggingSessionId,
		shortcuts,

		// Global Live Mode
		isLiveMode,
		webInterfaceUrl,

		// Web Interface Port Settings
		webInterfaceUseCustomPort: settings.webInterfaceUseCustomPort,
		webInterfaceCustomPort: settings.webInterfaceCustomPort,

		// Folder states
		bookmarksCollapsed,
		ungroupedCollapsed: settings.ungroupedCollapsed,

		// Auto mode
		activeBatchSessionIds,

		// Session jump shortcuts
		showSessionJumpNumbers,
		visibleSessions,

		// Achievement system
		autoRunStats,

		// Group Chat state
		groupChats,
		activeGroupChatId,
		groupChatsExpanded,
		groupChatState,
		participantStates,
		groupChatStates,
		allGroupChatParticipantStates,

		// Setters
		setWebInterfaceUseCustomPort: settings.setWebInterfaceUseCustomPort,
		setWebInterfaceCustomPort: settings.setWebInterfaceCustomPort,
		setBookmarksCollapsed,
		setUngroupedCollapsed: settings.setUngroupedCollapsed,
		setActiveFocus,
		setActiveSessionId,
		setLeftSidebarOpen,
		setLeftSidebarWidth,
		setShortcutsHelpOpen,
		setSettingsModalOpen,
		setSettingsTab,
		setAboutModalOpen,
		setUpdateCheckModalOpen,
		setLogViewerOpen,
		setProcessMonitorOpen,
		setUsageDashboardOpen,
		setSymphonyModalOpen,
		setGroups,
		setSessions,
		setRenameInstanceModalOpen,
		setRenameInstanceValue,
		setRenameInstanceSessionId,
		setDuplicatingSessionId,
		setGroupChatsExpanded,
		setQuickActionOpen,

		// Handlers
		toggleGlobalLive,
		restartWebServer,
		toggleGroup,
		handleDragStart,
		handleDragOver,
		handleDropOnGroup,
		handleDropOnUngrouped,
		finishRenamingGroup,
		finishRenamingSession,
		startRenamingGroup,
		startRenamingSession,
		showConfirmation,
		createNewGroup,
		handleCreateGroupAndMove,
		addNewSession,
		deleteSession,
		deleteWorktreeGroup,
		handleEditAgent,
		handleOpenCreatePRSession,
		handleQuickCreateWorktree,
		handleOpenWorktreeConfigSession,
		handleDeleteWorktreeSession,
		handleToggleWorktreeExpanded,
		openWizardModal,
		handleStartTour,

		// Group Chat handlers
		handleOpenGroupChat,
		handleNewGroupChat,
		handleEditGroupChat,
		handleOpenRenameGroupChatModal,
		handleOpenDeleteGroupChatModal,

		// Ref
		sidebarContainerRef,
	});

	const rightPanelProps = useRightPanelProps({
		// Session & Theme
		activeSession,
		theme,
		shortcuts,

		// Panel state
		rightPanelOpen,
		rightPanelWidth,

		// Tab state
		activeRightTab,

		// Focus management
		activeFocus,

		// File explorer state
		fileTreeFilter,
		fileTreeFilterOpen,
		filteredFileTree,
		selectedFileIndex,
		showHiddenFiles,

		// Auto Run state
		autoRunDocumentList,
		autoRunDocumentTree,
		autoRunIsLoadingDocuments,
		autoRunDocumentTaskCounts,

		// Batch processing (convert null to undefined for component props)
		activeBatchRunState: activeBatchRunState ?? undefined,
		currentSessionBatchState: currentSessionBatchState ?? undefined,

		// Document Graph
		lastGraphFocusFilePath: lastGraphFocusFilePath || undefined,

		// Refs
		fileTreeContainerRef,
		fileTreeFilterInputRef,

		// Setters
		setRightPanelOpen,
		setRightPanelWidth,
		setActiveFocus,
		setFileTreeFilter,
		setFileTreeFilterOpen,
		setSelectedFileIndex,
		setShowHiddenFiles,
		setSessions,

		// Handlers
		handleSetActiveRightTab,
		toggleFolder,
		handleFileClick,
		expandAllFolders,
		collapseAllFolders,
		updateSessionWorkingDirectory,
		refreshFileTree,
		handleAutoRefreshChange,
		showSuccessFlash,

		// Auto Run handlers
		handleAutoRunContentChange,
		handleAutoRunModeChange,
		handleAutoRunStateChange,
		handleAutoRunSelectDocument,
		handleAutoRunCreateDocument,
		handleAutoRunRefresh,
		handleAutoRunOpenSetup,

		// Batch processing handlers
		handleOpenBatchRunner,
		handleStopBatchRun,
		handleSkipCurrentDocument,
		handleAbortBatchOnError,
		handleResumeAfterError,
		handleJumpToAgentSession,
		handleResumeSession,

		// Modal handlers
		handleOpenAboutModal,
		handleOpenMarketplace,
		handleLaunchWizardTab,

		// File linking
		handleMainPanelFileClick,

		// Document Graph handlers
		handleFocusFileInGraph,
		handleOpenLastDocumentGraph,
	});

	return (
		<GitStatusProvider sessions={sessions} activeSessionId={activeSessionId}>
			<div
				className={`flex h-screen w-full font-mono overflow-hidden transition-colors duration-300 ${
					isMobileLandscape ? 'pt-0' : 'pt-10'
				}`}
				style={{
					backgroundColor: theme.colors.bgMain,
					color: theme.colors.textMain,
					fontFamily: fontFamily,
					fontSize: `${fontSize}px`,
				}}
				onDragEnter={handleImageDragEnter}
				onDragLeave={handleImageDragLeave}
				onDragOver={handleImageDragOver}
				onDrop={handleDrop}
			>
				{/* Image Drop Overlay */}
				{isDraggingImage && (
					<div
						className="fixed inset-0 z-[9999] pointer-events-none flex items-center justify-center"
						style={{ backgroundColor: `${theme.colors.accent}20` }}
					>
						<div
							className="pointer-events-none rounded-xl border-2 border-dashed p-8 flex flex-col items-center gap-4"
							style={{
								borderColor: theme.colors.accent,
								backgroundColor: `${theme.colors.bgMain}ee`,
							}}
						>
							<svg
								className="w-16 h-16"
								style={{ color: theme.colors.accent }}
								fill="none"
								stroke="currentColor"
								viewBox="0 0 24 24"
							>
								<path
									strokeLinecap="round"
									strokeLinejoin="round"
									strokeWidth={2}
									d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"
								/>
							</svg>
							<span className="text-lg font-medium" style={{ color: theme.colors.textMain }}>
								Drop image to attach
							</span>
						</div>
					</div>
				)}

				{/* --- DRAGGABLE TITLE BAR (hidden in mobile landscape) --- */}
				{!isMobileLandscape && (
					<div
						className="fixed top-0 left-0 right-0 h-10 flex items-center justify-center"
						style={
							{
								WebkitAppRegion: 'drag',
							} as React.CSSProperties
						}
					>
						{activeGroupChatId ? (
							<span
								className="text-xs select-none opacity-50"
								style={{ color: theme.colors.textDim }}
							>
								Maestro Group Chat:{' '}
								{groupChats.find((c) => c.id === activeGroupChatId)?.name || 'Unknown'}
							</span>
						) : (
							activeSession && (
								<span
									className="text-xs select-none opacity-50"
									style={{ color: theme.colors.textDim }}
								>
									{(() => {
										const parts: string[] = [];
										// Group name (if grouped)
										const group = groups.find((g) => g.id === activeSession.groupId);
										if (group) {
											parts.push(`${group.emoji} ${group.name}`);
										}
										// Agent name (user-given name for this agent instance)
										parts.push(activeSession.name);
										// Active tab name or UUID octet
										const activeTab = activeSession.aiTabs?.find(
											(t) => t.id === activeSession.activeTabId
										);
										if (activeTab) {
											const tabLabel =
												activeTab.name ||
												(activeTab.agentSessionId
													? activeTab.agentSessionId.split('-')[0].toUpperCase()
													: null);
											if (tabLabel) {
												parts.push(tabLabel);
											}
										}
										return parts.join(' | ');
									})()}
								</span>
							)
						)}
					</div>
				)}

				{/* --- UNIFIED MODALS (all modal groups consolidated into AppModals) --- */}
				<AppModals
					// Common props
					theme={theme}
					sessions={sessions}
					setSessions={setSessions}
					activeSessionId={activeSessionId}
					activeSession={activeSession}
					groups={groups}
					setGroups={setGroups}
					groupChats={groupChats}
					shortcuts={shortcuts}
					tabShortcuts={tabShortcuts}
					// AppInfoModals props
					shortcutsHelpOpen={shortcutsHelpOpen}
					onCloseShortcutsHelp={handleCloseShortcutsHelp}
					hasNoAgents={hasNoAgents}
					keyboardMasteryStats={keyboardMasteryStats}
					aboutModalOpen={aboutModalOpen}
					onCloseAboutModal={handleCloseAboutModal}
					autoRunStats={autoRunStats}
					usageStats={usageStats}
					handsOnTimeMs={globalStats.totalActiveTimeMs}
					onOpenLeaderboardRegistration={handleOpenLeaderboardRegistrationFromAbout}
					isLeaderboardRegistered={isLeaderboardRegistered}
					updateCheckModalOpen={updateCheckModalOpen}
					onCloseUpdateCheckModal={handleCloseUpdateCheckModal}
					processMonitorOpen={processMonitorOpen}
					onCloseProcessMonitor={handleCloseProcessMonitor}
					onNavigateToSession={handleProcessMonitorNavigateToSession}
					onNavigateToGroupChat={handleProcessMonitorNavigateToGroupChat}
					usageDashboardOpen={usageDashboardOpen}
					onCloseUsageDashboard={() => setUsageDashboardOpen(false)}
					defaultStatsTimeRange={defaultStatsTimeRange}
					colorBlindMode={colorBlindMode}
					// AppConfirmModals props
					confirmModalOpen={confirmModalOpen}
					confirmModalMessage={confirmModalMessage}
					confirmModalOnConfirm={confirmModalOnConfirm}
					onCloseConfirmModal={handleCloseConfirmModal}
					quitConfirmModalOpen={quitConfirmModalOpen}
					onConfirmQuit={handleConfirmQuit}
					onConfirmQuitAndDelete={handleConfirmQuitAndDelete}
					onCancelQuit={handleCancelQuit}
					// AppSessionModals props
					newInstanceModalOpen={newInstanceModalOpen}
					onCloseNewInstanceModal={handleCloseNewInstanceModal}
					onCreateSession={createNewSession}
					existingSessions={sessionsForValidation}
					duplicatingSessionId={duplicatingSessionId}
					editAgentModalOpen={editAgentModalOpen}
					onCloseEditAgentModal={handleCloseEditAgentModal}
					onSaveEditAgent={handleSaveEditAgent}
					editAgentSession={editAgentSession}
					renameSessionModalOpen={renameInstanceModalOpen}
					renameSessionValue={renameInstanceValue}
					setRenameSessionValue={setRenameInstanceValue}
					onCloseRenameSessionModal={handleCloseRenameSessionModal}
					renameSessionTargetId={renameInstanceSessionId}
					onAfterRename={flushSessionPersistence}
					renameTabModalOpen={renameTabModalOpen}
					renameTabId={renameTabId}
					renameTabInitialName={renameTabInitialName}
					onCloseRenameTabModal={handleCloseRenameTabModal}
					onRenameTab={handleRenameTab}
					// AppGroupModals props
					createGroupModalOpen={createGroupModalOpen}
					onCloseCreateGroupModal={handleCloseCreateGroupModal}
					onGroupCreated={handleGroupCreated}
					renameGroupModalOpen={renameGroupModalOpen}
					renameGroupId={renameGroupId}
					renameGroupValue={renameGroupValue}
					setRenameGroupValue={setRenameGroupValue}
					renameGroupEmoji={renameGroupEmoji}
					setRenameGroupEmoji={setRenameGroupEmoji}
					onCloseRenameGroupModal={handleCloseRenameGroupModal}
					// AppWorktreeModals props
					worktreeConfigModalOpen={worktreeConfigModalOpen}
					onCloseWorktreeConfigModal={handleCloseWorktreeConfigModal}
					onSaveWorktreeConfig={handleSaveWorktreeConfig}
					onCreateWorktreeFromConfig={handleCreateWorktreeFromConfig}
					onDisableWorktreeConfig={handleDisableWorktreeConfig}
					createWorktreeModalOpen={createWorktreeModalOpen}
					createWorktreeSession={createWorktreeSession}
					onCloseCreateWorktreeModal={handleCloseCreateWorktreeModal}
					onCreateWorktree={handleCreateWorktree}
					createPRModalOpen={createPRModalOpen}
					createPRSession={createPRSession}
					onCloseCreatePRModal={handleCloseCreatePRModal}
					onPRCreated={handlePRCreated}
					deleteWorktreeModalOpen={deleteWorktreeModalOpen}
					deleteWorktreeSession={deleteWorktreeSession}
					onCloseDeleteWorktreeModal={handleCloseDeleteWorktreeModal}
					onConfirmDeleteWorktree={handleConfirmDeleteWorktree}
					onConfirmAndDeleteWorktreeOnDisk={handleConfirmAndDeleteWorktreeOnDisk}
					// AppUtilityModals props
					quickActionOpen={quickActionOpen}
					quickActionInitialMode={quickActionInitialMode}
					setQuickActionOpen={setQuickActionOpen}
					setActiveSessionId={setActiveSessionId}
					addNewSession={addNewSession}
					setRenameInstanceValue={setRenameInstanceValue}
					setRenameInstanceModalOpen={setRenameInstanceModalOpen}
					setRenameGroupId={setRenameGroupId}
					setRenameGroupValueForQuickActions={setRenameGroupValue}
					setRenameGroupEmojiForQuickActions={setRenameGroupEmoji}
					setRenameGroupModalOpenForQuickActions={setRenameGroupModalOpen}
					setCreateGroupModalOpenForQuickActions={setCreateGroupModalOpen}
					setLeftSidebarOpen={setLeftSidebarOpen}
					setRightPanelOpen={setRightPanelOpen}
					toggleInputMode={toggleInputMode}
					deleteSession={deleteSession}
					setSettingsModalOpen={setSettingsModalOpen}
					setSettingsTab={setSettingsTab}
					setShortcutsHelpOpen={setShortcutsHelpOpen}
					setAboutModalOpen={setAboutModalOpen}
					setLogViewerOpen={setLogViewerOpen}
					setProcessMonitorOpen={setProcessMonitorOpen}
					setUsageDashboardOpen={setUsageDashboardOpen}
					setActiveRightTab={setActiveRightTab}
					setAgentSessionsOpen={setAgentSessionsOpen}
					setActiveAgentSessionId={setActiveAgentSessionId}
					setGitDiffPreview={setGitDiffPreview}
					setGitLogOpen={setGitLogOpen}
					isAiMode={activeSession?.inputMode === 'ai'}
					onQuickActionsRenameTab={handleQuickActionsRenameTab}
					onQuickActionsToggleReadOnlyMode={handleQuickActionsToggleReadOnlyMode}
					onQuickActionsToggleTabShowThinking={handleQuickActionsToggleTabShowThinking}
					onQuickActionsOpenTabSwitcher={handleQuickActionsOpenTabSwitcher}
					onCloseAllTabs={handleCloseAllTabs}
					onCloseOtherTabs={handleCloseOtherTabs}
					onCloseTabsLeft={handleCloseTabsLeft}
					onCloseTabsRight={handleCloseTabsRight}
					setPlaygroundOpen={setPlaygroundOpen}
					onQuickActionsRefreshGitFileState={handleQuickActionsRefreshGitFileState}
					onQuickActionsDebugReleaseQueuedItem={handleQuickActionsDebugReleaseQueuedItem}
					markdownEditMode={activeSession?.activeFileTabId ? markdownEditMode : chatRawTextMode}
					onQuickActionsToggleMarkdownEditMode={handleQuickActionsToggleMarkdownEditMode}
					setUpdateCheckModalOpenForQuickActions={setUpdateCheckModalOpen}
					openWizard={openWizardModal}
					wizardGoToStep={wizardGoToStep}
					setDebugWizardModalOpen={setDebugWizardModalOpen}
					setDebugPackageModalOpen={setDebugPackageModalOpen}
					startTour={handleQuickActionsStartTour}
					setFuzzyFileSearchOpen={setFuzzyFileSearchOpen}
					onEditAgent={handleQuickActionsEditAgent}
					onNewGroupChat={handleQuickActionsNewGroupChat}
					onOpenGroupChat={handleOpenGroupChat}
					onCloseGroupChat={handleCloseGroupChat}
					onDeleteGroupChat={deleteGroupChatWithConfirmation}
					activeGroupChatId={activeGroupChatId}
					hasActiveSessionCapability={hasActiveSessionCapability}
					onOpenMergeSession={handleQuickActionsOpenMergeSession}
					onOpenSendToAgent={handleQuickActionsOpenSendToAgent}
					onOpenCreatePR={handleQuickActionsOpenCreatePR}
					onSummarizeAndContinue={handleQuickActionsSummarizeAndContinue}
					canSummarizeActiveTab={
						activeSession
							? canSummarize(
									activeSession.contextUsage,
									activeSession.aiTabs.find((t) => t.id === activeSession.activeTabId)?.logs
								)
							: false
					}
					onToggleRemoteControl={handleQuickActionsToggleRemoteControl}
					autoRunSelectedDocument={activeSession?.autoRunSelectedFile ?? null}
					autoRunCompletedTaskCount={rightPanelRef.current?.getAutoRunCompletedTaskCount() ?? 0}
					onAutoRunResetTasks={handleQuickActionsAutoRunResetTasks}
					isFilePreviewOpen={!!activeSession?.activeFileTabId}
					ghCliAvailable={ghCliAvailable}
					onPublishGist={() => setGistPublishModalOpen(true)}
					lastGraphFocusFile={lastGraphFocusFilePath}
					onOpenLastDocumentGraph={() => {
						if (lastGraphFocusFilePath) {
							setGraphFocusFilePath(lastGraphFocusFilePath);
							setIsGraphViewOpen(true);
						}
					}}
					lightboxImage={lightboxImage}
					lightboxImages={lightboxImages}
					stagedImages={stagedImages}
					onCloseLightbox={handleCloseLightbox}
					onNavigateLightbox={handleNavigateLightbox}
					onDeleteLightboxImage={
						lightboxAllowDeleteRef.current ? handleDeleteLightboxImage : undefined
					}
					gitDiffPreview={gitDiffPreview}
					gitViewerCwd={gitViewerCwd}
					onCloseGitDiff={handleCloseGitDiff}
					gitLogOpen={gitLogOpen}
					onCloseGitLog={handleCloseGitLog}
					autoRunSetupModalOpen={autoRunSetupModalOpen}
					onCloseAutoRunSetup={handleCloseAutoRunSetup}
					onAutoRunFolderSelected={handleAutoRunFolderSelected}
					batchRunnerModalOpen={batchRunnerModalOpen}
					onCloseBatchRunner={handleCloseBatchRunner}
					onStartBatchRun={handleStartBatchRun}
					onSaveBatchPrompt={handleSaveBatchPrompt}
					showConfirmation={showConfirmation}
					autoRunDocumentList={autoRunDocumentList}
					autoRunDocumentTree={autoRunDocumentTree}
					getDocumentTaskCount={getDocumentTaskCount}
					onAutoRunRefresh={handleAutoRunRefresh}
					onOpenMarketplace={handleOpenMarketplace}
					onOpenSymphony={() => setSymphonyModalOpen(true)}
					tabSwitcherOpen={tabSwitcherOpen}
					onCloseTabSwitcher={handleCloseTabSwitcher}
					onTabSelect={handleUtilityTabSelect}
					onFileTabSelect={handleUtilityFileTabSelect}
					onNamedSessionSelect={handleNamedSessionSelect}
					fuzzyFileSearchOpen={fuzzyFileSearchOpen}
					filteredFileTree={filteredFileTree}
					onCloseFileSearch={handleCloseFileSearch}
					onFileSearchSelect={handleFileSearchSelect}
					promptComposerOpen={promptComposerOpen}
					onClosePromptComposer={handleClosePromptComposer}
					promptComposerInitialValue={
						activeGroupChatId
							? groupChats.find((c) => c.id === activeGroupChatId)?.draftMessage || ''
							: deferredInputValue
					}
					onPromptComposerSubmit={handlePromptComposerSubmit}
					onPromptComposerSend={handlePromptComposerSend}
					promptComposerSessionName={
						activeGroupChatId
							? groupChats.find((c) => c.id === activeGroupChatId)?.name
							: activeSession?.name
					}
					promptComposerStagedImages={
						activeGroupChatId ? groupChatStagedImages : canAttachImages ? stagedImages : []
					}
					setPromptComposerStagedImages={
						activeGroupChatId
							? setGroupChatStagedImages
							: canAttachImages
								? setStagedImages
								: undefined
					}
					onPromptImageAttachBlocked={
						activeGroupChatId || !blockCodexResumeImages ? undefined : showImageAttachBlockedNotice
					}
					onPromptOpenLightbox={handleSetLightboxImage}
					promptTabSaveToHistory={activeGroupChatId ? false : (activeTab?.saveToHistory ?? false)}
					onPromptToggleTabSaveToHistory={
						activeGroupChatId ? undefined : handlePromptToggleTabSaveToHistory
					}
					promptTabReadOnlyMode={
						activeGroupChatId ? groupChatReadOnlyMode : (activeTab?.readOnlyMode ?? false)
					}
					onPromptToggleTabReadOnlyMode={handlePromptToggleTabReadOnlyMode}
					promptTabShowThinking={activeGroupChatId ? 'off' : (activeTab?.showThinking ?? 'off')}
					onPromptToggleTabShowThinking={
						activeGroupChatId ? undefined : handlePromptToggleTabShowThinking
					}
					promptSupportsThinking={
						!activeGroupChatId && hasActiveSessionCapability('supportsThinkingDisplay')
					}
					promptEnterToSend={enterToSendAI}
					onPromptToggleEnterToSend={handlePromptToggleEnterToSend}
					queueBrowserOpen={queueBrowserOpen}
					onCloseQueueBrowser={handleCloseQueueBrowser}
					onRemoveQueueItem={handleRemoveQueueItem}
					onSwitchQueueSession={handleSwitchQueueSession}
					onReorderQueueItems={handleReorderQueueItems}
					// AppGroupChatModals props
					showNewGroupChatModal={showNewGroupChatModal}
					onCloseNewGroupChatModal={handleCloseNewGroupChatModal}
					onCreateGroupChat={handleCreateGroupChat}
					showDeleteGroupChatModal={showDeleteGroupChatModal}
					onCloseDeleteGroupChatModal={handleCloseDeleteGroupChatModal}
					onConfirmDeleteGroupChat={handleConfirmDeleteGroupChat}
					showRenameGroupChatModal={showRenameGroupChatModal}
					onCloseRenameGroupChatModal={handleCloseRenameGroupChatModal}
					onRenameGroupChatFromModal={handleRenameGroupChatFromModal}
					showEditGroupChatModal={showEditGroupChatModal}
					onCloseEditGroupChatModal={handleCloseEditGroupChatModal}
					onUpdateGroupChat={handleUpdateGroupChat}
					showGroupChatInfo={showGroupChatInfo}
					groupChatMessages={groupChatMessages}
					onCloseGroupChatInfo={handleCloseGroupChatInfo}
					onOpenModeratorSession={handleOpenModeratorSession}
					// AppAgentModals props
					leaderboardRegistrationOpen={leaderboardRegistrationOpen}
					onCloseLeaderboardRegistration={handleCloseLeaderboardRegistration}
					leaderboardRegistration={leaderboardRegistration}
					onSaveLeaderboardRegistration={handleSaveLeaderboardRegistration}
					onLeaderboardOptOut={handleLeaderboardOptOut}
					onSyncAutoRunStats={handleSyncAutoRunStats}
					errorSession={errorSession}
					recoveryActions={recoveryActions}
					onDismissAgentError={handleCloseAgentErrorModal}
					groupChatError={groupChatError}
					groupChatRecoveryActions={groupChatRecoveryActions}
					onClearGroupChatError={handleClearGroupChatError}
					mergeSessionModalOpen={mergeSessionModalOpen}
					onCloseMergeSession={handleCloseMergeSession}
					onMerge={handleMerge}
					transferState={transferState}
					transferProgress={transferProgress}
					transferSourceAgent={transferSourceAgent}
					transferTargetAgent={transferTargetAgent}
					onCancelTransfer={handleCancelTransfer}
					onCompleteTransfer={handleCompleteTransfer}
					sendToAgentModalOpen={sendToAgentModalOpen}
					onCloseSendToAgent={handleCloseSendToAgent}
					onSendToAgent={handleSendToAgent}
				/>

				{/* --- DEBUG PACKAGE MODAL --- */}
				<DebugPackageModal
					theme={theme}
					isOpen={debugPackageModalOpen}
					onClose={handleCloseDebugPackage}
				/>

				{/* --- WINDOWS WARNING MODAL --- */}
				<WindowsWarningModal
					theme={theme}
					isOpen={windowsWarningModalOpen}
					onClose={() => setWindowsWarningModalOpen(false)}
					onSuppressFuture={setSuppressWindowsWarning}
					onOpenDebugPackage={() => setDebugPackageModalOpen(true)}
					useBetaChannel={enableBetaUpdates}
					onSetUseBetaChannel={setEnableBetaUpdates}
				/>

				{/* --- CELEBRATION OVERLAYS --- */}
				<AppOverlays
					theme={theme}
					standingOvationData={standingOvationData}
					cumulativeTimeMs={autoRunStats.cumulativeTimeMs}
					onCloseStandingOvation={handleStandingOvationClose}
					onOpenLeaderboardRegistration={handleOpenLeaderboardRegistration}
					isLeaderboardRegistered={isLeaderboardRegistered}
					firstRunCelebrationData={firstRunCelebrationData}
					onCloseFirstRun={handleFirstRunCelebrationClose}
					pendingKeyboardMasteryLevel={pendingKeyboardMasteryLevel}
					onCloseKeyboardMastery={handleKeyboardMasteryCelebrationClose}
					shortcuts={shortcuts}
					disableConfetti={disableConfetti}
				/>

				{/* --- DEVELOPER PLAYGROUND --- */}
				{playgroundOpen && (
					<PlaygroundPanel
						theme={theme}
						themeMode={theme.mode}
						onClose={() => setPlaygroundOpen(false)}
					/>
				)}

				{/* --- DEBUG WIZARD MODAL --- */}
				<DebugWizardModal
					theme={theme}
					isOpen={debugWizardModalOpen}
					onClose={() => setDebugWizardModalOpen(false)}
				/>

				{/* --- MARKETPLACE MODAL (lazy-loaded) --- */}
				{activeSession && activeSession.autoRunFolderPath && marketplaceModalOpen && (
					<Suspense fallback={null}>
						<MarketplaceModal
							theme={theme}
							isOpen={marketplaceModalOpen}
							onClose={() => setMarketplaceModalOpen(false)}
							autoRunFolderPath={activeSession.autoRunFolderPath}
							sessionId={activeSession.id}
							sshRemoteId={
								activeSession.sshRemoteId ||
								activeSession.sessionSshRemoteConfig?.remoteId ||
								undefined
							}
							onImportComplete={handleMarketplaceImportComplete}
						/>
					</Suspense>
				)}

				{/* --- SYMPHONY MODAL (lazy-loaded) --- */}
				{symphonyModalOpen && (
					<Suspense fallback={null}>
						<SymphonyModal
							theme={theme}
							isOpen={symphonyModalOpen}
							onClose={() => setSymphonyModalOpen(false)}
							sessions={sessions}
							onSelectSession={(sessionId) => {
								setActiveSessionId(sessionId);
								setSymphonyModalOpen(false);
							}}
							onStartContribution={async (data: SymphonyContributionData) => {
								console.log('[Symphony] Creating session for contribution:', data);

								// Get agent definition
								const agent = await window.maestro.agents.get(data.agentType);
								if (!agent) {
									console.error(`Agent not found: ${data.agentType}`);
									addToast({
										type: 'error',
										title: 'Symphony Error',
										message: `Agent not found: ${data.agentType}`,
									});
									return;
								}

								// Validate uniqueness
								const validation = validateNewSession(
									data.sessionName,
									data.localPath,
									data.agentType as ToolType,
									sessions
								);
								if (!validation.valid) {
									console.error(`Session validation failed: ${validation.error}`);
									addToast({
										type: 'error',
										title: 'Session Creation Failed',
										message: validation.error || 'Cannot create duplicate session',
									});
									return;
								}

								const newId = generateId();
								const initialTabId = generateId();

								// Check git repo status
								const isGitRepo = await gitService.isRepo(data.localPath);
								let gitBranches: string[] | undefined;
								let gitTags: string[] | undefined;
								let gitRefsCacheTime: number | undefined;

								if (isGitRepo) {
									[gitBranches, gitTags] = await Promise.all([
										gitService.getBranches(data.localPath),
										gitService.getTags(data.localPath),
									]);
									gitRefsCacheTime = Date.now();
								}

								// Create initial tab
								const initialTab: AITab = {
									id: initialTabId,
									agentSessionId: null,
									name: null,
									starred: false,
									logs: [],
									inputValue: '',
									stagedImages: [],
									createdAt: Date.now(),
									state: 'idle',
									saveToHistory: defaultSaveToHistory,
								};

								// Create session with Symphony metadata
								const newSession: Session = {
									id: newId,
									name: data.sessionName,
									toolType: data.agentType as ToolType,
									state: 'idle',
									cwd: data.localPath,
									fullPath: data.localPath,
									projectRoot: data.localPath,
									isGitRepo,
									gitBranches,
									gitTags,
									gitRefsCacheTime,
									aiLogs: [],
									shellLogs: [
										{
											id: generateId(),
											timestamp: Date.now(),
											source: 'system',
											text: 'Shell Session Ready.',
										},
									],
									workLog: [],
									contextUsage: 0,
									inputMode: 'ai',
									aiPid: 0,
									terminalPid: 0,
									port: 3000 + Math.floor(Math.random() * 100),
									isLive: false,
									changedFiles: [],
									fileTree: [],
									fileExplorerExpanded: [],
									fileExplorerScrollPos: 0,
									fileTreeAutoRefreshInterval: 180,
									shellCwd: data.localPath,
									aiCommandHistory: [],
									shellCommandHistory: [],
									executionQueue: [],
									activeTimeMs: 0,
									aiTabs: [initialTab],
									activeTabId: initialTabId,
									closedTabHistory: [],
									filePreviewTabs: [],
									activeFileTabId: null,
									unifiedTabOrder: [{ type: 'ai' as const, id: initialTabId }],
									unifiedClosedTabHistory: [],
									// Custom agent config
									customPath: data.customPath,
									customArgs: data.customArgs,
									customEnvVars: data.customEnvVars,
									// Auto Run setup - use autoRunPath from contribution
									autoRunFolderPath: data.autoRunPath,
									// Symphony metadata for tracking
									symphonyMetadata: {
										isSymphonySession: true,
										contributionId: data.contributionId,
										repoSlug: data.repo.slug,
										issueNumber: data.issue.number,
										issueTitle: data.issue.title,
										documentPaths: data.issue.documentPaths.map((d) => d.path),
										status: 'running',
									},
								};

								setSessions((prev) => [...prev, newSession]);
								setActiveSessionId(newId);
								setSymphonyModalOpen(false);

								// Register active contribution in Symphony persistent state
								// This makes it show up in the Active tab of the Symphony modal
								window.maestro.symphony
									.registerActive({
										contributionId: data.contributionId,
										sessionId: newId,
										repoSlug: data.repo.slug,
										repoName: data.repo.name,
										issueNumber: data.issue.number,
										issueTitle: data.issue.title,
										localPath: data.localPath,
										branchName: data.branchName || '',
										totalDocuments: data.issue.documentPaths.length,
										agentType: data.agentType,
									})
									.catch((err: unknown) => {
										console.error('[Symphony] Failed to register active contribution:', err);
									});

								// Track stats
								updateGlobalStats({ totalSessions: 1 });
								window.maestro.stats.recordSessionCreated({
									sessionId: newId,
									agentType: data.agentType,
									projectPath: data.localPath,
									createdAt: Date.now(),
									isRemote: false,
								});

								// Focus input
								setActiveFocus('main');
								setTimeout(() => inputRef.current?.focus(), 50);

								// Switch to Auto Run tab so user sees the documents
								setActiveRightTab('autorun');
							}}
						/>
					</Suspense>
				)}

				{/* --- GIST PUBLISH MODAL --- */}
				{/* Supports both file preview tabs and tab context gist publishing */}
				{gistPublishModalOpen && (activeFileTab || tabGistContent) && (
					<GistPublishModal
						theme={theme}
						filename={
							tabGistContent?.filename ??
							(activeFileTab ? activeFileTab.name + activeFileTab.extension : 'conversation.md')
						}
						content={tabGistContent?.content ?? activeFileTab?.content ?? ''}
						onClose={() => {
							setGistPublishModalOpen(false);
							setTabGistContent(null);
						}}
						onSuccess={(gistUrl, isPublic) => {
							// Save gist URL for the file if it's from file preview tab (not tab context)
							if (activeFileTab && !tabGistContent) {
								saveFileGistUrl(activeFileTab.path, {
									gistUrl,
									isPublic,
									publishedAt: Date.now(),
								});
							}
							// Copy the gist URL to clipboard
							navigator.clipboard.writeText(gistUrl);
							// Show a toast notification
							addToast({
								type: 'success',
								title: 'Gist Published',
								message: `${isPublic ? 'Public' : 'Secret'} gist created! URL copied to clipboard.`,
								duration: 5000,
								actionUrl: gistUrl,
								actionLabel: 'Open Gist',
							});
							// Clear tab gist content after success
							setTabGistContent(null);
						}}
						existingGist={
							activeFileTab && !tabGistContent ? fileGistUrls[activeFileTab.path] : undefined
						}
					/>
				)}

				{/* --- DOCUMENT GRAPH VIEW (Mind Map, lazy-loaded) --- */}
				{/* Only render when a focus file is provided - mind map requires a center document */}
				{graphFocusFilePath && (
					<Suspense fallback={null}>
						<DocumentGraphView
							isOpen={isGraphViewOpen}
							onClose={() => {
								setIsGraphViewOpen(false);
								setGraphFocusFilePath(undefined);
								// Return focus to file preview if it was open
								requestAnimationFrame(() => {
									mainPanelRef.current?.focusFilePreview();
								});
							}}
							theme={theme}
							rootPath={activeSession?.projectRoot || activeSession?.cwd || ''}
							onDocumentOpen={async (filePath) => {
								// Open the document in a file tab (migrated from legacy setPreviewFile overlay)
								const treeRoot = activeSession?.projectRoot || activeSession?.cwd || '';
								const fullPath = `${treeRoot}/${filePath}`;
								const filename = filePath.split('/').pop() || filePath;
								// Note: sshRemoteId is only set after AI agent spawns. For terminal-only SSH sessions,
								// use sessionSshRemoteConfig.remoteId as fallback (see CLAUDE.md SSH Remote Sessions)
								const sshRemoteId =
									activeSession?.sshRemoteId ||
									activeSession?.sessionSshRemoteConfig?.remoteId ||
									undefined;
								try {
									// Fetch content and stat in parallel for efficiency
									const [content, stat] = await Promise.all([
										window.maestro.fs.readFile(fullPath, sshRemoteId),
										window.maestro.fs.stat(fullPath, sshRemoteId).catch(() => null), // stat is optional
									]);
									if (content !== null) {
										const lastModified = stat?.modifiedAt
											? new Date(stat.modifiedAt).getTime()
											: undefined;
										handleOpenFileTab({
											path: fullPath,
											name: filename,
											content,
											sshRemoteId,
											lastModified,
										});
									}
								} catch (error) {
									console.error('[DocumentGraph] Failed to open file:', error);
								}
								setIsGraphViewOpen(false);
							}}
							onExternalLinkOpen={(url) => {
								// Open external URL in default browser
								window.maestro.shell.openExternal(url);
							}}
							focusFilePath={graphFocusFilePath}
							defaultShowExternalLinks={documentGraphShowExternalLinks}
							onExternalLinksChange={settings.setDocumentGraphShowExternalLinks}
							defaultMaxNodes={documentGraphMaxNodes}
							defaultPreviewCharLimit={documentGraphPreviewCharLimit}
							onPreviewCharLimitChange={settings.setDocumentGraphPreviewCharLimit}
							// Note: sshRemoteId is only set after AI agent spawns. For terminal-only SSH sessions,
							// use sessionSshRemoteConfig.remoteId as fallback (see CLAUDE.md SSH Remote Sessions)
							sshRemoteId={
								activeSession?.sshRemoteId ||
								activeSession?.sessionSshRemoteConfig?.remoteId ||
								undefined
							}
						/>
					</Suspense>
				)}

				{/* NOTE: All modals are now rendered via the unified <AppModals /> component above */}

				{/* Delete Agent Confirmation Modal */}
				{deleteAgentModalOpen && deleteAgentSession && (
					<DeleteAgentConfirmModal
						theme={theme}
						agentName={deleteAgentSession.name}
						workingDirectory={deleteAgentSession.cwd}
						onConfirm={() => performDeleteSession(deleteAgentSession, false)}
						onConfirmAndErase={() => performDeleteSession(deleteAgentSession, true)}
						onClose={handleCloseDeleteAgentModal}
					/>
				)}

				{/* --- EMPTY STATE VIEW (when no sessions) --- */}
				{sessions.length === 0 && !isMobileLandscape ? (
					<EmptyStateView
						theme={theme}
						shortcuts={shortcuts}
						onNewAgent={addNewSession}
						onOpenWizard={openWizardModal}
						onOpenSettings={() => {
							setSettingsModalOpen(true);
							setSettingsTab('general');
						}}
						onOpenShortcutsHelp={() => setShortcutsHelpOpen(true)}
						onOpenAbout={() => setAboutModalOpen(true)}
						onCheckForUpdates={() => setUpdateCheckModalOpen(true)}
						// Don't show tour option when no agents exist - nothing to tour
					/>
				) : null}

				{/* --- LEFT SIDEBAR (hidden in mobile landscape and when no sessions) --- */}
				{!isMobileLandscape && sessions.length > 0 && (
					<ErrorBoundary>
						<SessionList {...sessionListProps} />
					</ErrorBoundary>
				)}

				{/* --- SYSTEM LOG VIEWER (replaces center content when open, lazy-loaded) --- */}
				{logViewerOpen && (
					<div
						className="flex-1 flex flex-col min-w-0"
						style={{ backgroundColor: theme.colors.bgMain }}
					>
						<Suspense fallback={null}>
							<LogViewer
								theme={theme}
								onClose={handleCloseLogViewer}
								logLevel={logLevel}
								savedSelectedLevels={logViewerSelectedLevels}
								onSelectedLevelsChange={setLogViewerSelectedLevels}
								onShortcutUsed={handleLogViewerShortcutUsed}
							/>
						</Suspense>
					</div>
				)}

				{/* --- GROUP CHAT VIEW (shown when a group chat is active, hidden when log viewer open) --- */}
				{!logViewerOpen &&
					activeGroupChatId &&
					groupChats.find((c) => c.id === activeGroupChatId) && (
						<>
							<div className="flex-1 flex flex-col min-w-0">
								<GroupChatPanel
									theme={theme}
									groupChat={groupChats.find((c) => c.id === activeGroupChatId)!}
									messages={groupChatMessages}
									state={groupChatState}
									totalCost={(() => {
										const chat = groupChats.find((c) => c.id === activeGroupChatId);
										const participantsCost = (chat?.participants || []).reduce(
											(sum, p) => sum + (p.totalCost || 0),
											0
										);
										const modCost = moderatorUsage?.totalCost || 0;
										return participantsCost + modCost;
									})()}
									costIncomplete={(() => {
										const chat = groupChats.find((c) => c.id === activeGroupChatId);
										const participants = chat?.participants || [];
										// Check if any participant is missing cost data
										const anyParticipantMissingCost = participants.some(
											(p) => p.totalCost === undefined || p.totalCost === null
										);
										// Moderator is also considered - if no usage stats yet, cost is incomplete
										const moderatorMissingCost =
											moderatorUsage?.totalCost === undefined || moderatorUsage?.totalCost === null;
										return anyParticipantMissingCost || moderatorMissingCost;
									})()}
									onSendMessage={handleSendGroupChatMessage}
									onClose={handleCloseGroupChat}
									onRename={() => setShowRenameGroupChatModal(activeGroupChatId)}
									onShowInfo={() => setShowGroupChatInfo(true)}
									rightPanelOpen={rightPanelOpen}
									onToggleRightPanel={() => setRightPanelOpen(!rightPanelOpen)}
									shortcuts={shortcuts}
									sessions={sessions}
									onDraftChange={handleGroupChatDraftChange}
									onOpenPromptComposer={() => setPromptComposerOpen(true)}
									stagedImages={groupChatStagedImages}
									setStagedImages={setGroupChatStagedImages}
									readOnlyMode={groupChatReadOnlyMode}
									setReadOnlyMode={setGroupChatReadOnlyMode}
									inputRef={groupChatInputRef}
									handlePaste={handlePaste}
									handleDrop={handleDrop}
									onOpenLightbox={handleSetLightboxImage}
									executionQueue={groupChatExecutionQueue.filter(
										(item) => item.tabId === activeGroupChatId
									)}
									onRemoveQueuedItem={handleRemoveGroupChatQueueItem}
									onReorderQueuedItems={handleReorderGroupChatQueueItems}
									markdownEditMode={markdownEditMode}
									onToggleMarkdownEditMode={() => setMarkdownEditMode(!markdownEditMode)}
									maxOutputLines={maxOutputLines}
									enterToSendAI={enterToSendAI}
									setEnterToSendAI={setEnterToSendAI}
									showFlashNotification={(message: string) => {
										setSuccessFlashNotification(message);
										setTimeout(() => setSuccessFlashNotification(null), 2000);
									}}
									participantColors={groupChatParticipantColors}
									messagesRef={groupChatMessagesRef}
								/>
							</div>
							<GroupChatRightPanel
								theme={theme}
								groupChatId={activeGroupChatId}
								participants={
									groupChats.find((c) => c.id === activeGroupChatId)?.participants || []
								}
								participantStates={participantStates}
								participantSessionPaths={
									new Map(
										sessions
											.filter((s) =>
												groupChats
													.find((c) => c.id === activeGroupChatId)
													?.participants.some((p) => p.sessionId === s.id)
											)
											.map((s) => [s.id, s.projectRoot])
									)
								}
								sessionSshRemoteNames={sessionSshRemoteNames}
								isOpen={rightPanelOpen}
								onToggle={() => setRightPanelOpen(!rightPanelOpen)}
								width={rightPanelWidth}
								setWidthState={setRightPanelWidth}
								shortcuts={shortcuts}
								moderatorAgentId={
									groupChats.find((c) => c.id === activeGroupChatId)?.moderatorAgentId ||
									'claude-code'
								}
								moderatorSessionId={
									groupChats.find((c) => c.id === activeGroupChatId)?.moderatorSessionId || ''
								}
								moderatorAgentSessionId={
									groupChats.find((c) => c.id === activeGroupChatId)?.moderatorAgentSessionId
								}
								moderatorState={groupChatState === 'moderator-thinking' ? 'busy' : 'idle'}
								moderatorUsage={moderatorUsage}
								activeTab={groupChatRightTab}
								onTabChange={handleGroupChatRightTabChange}
								onJumpToMessage={handleJumpToGroupChatMessage}
								onColorsComputed={setGroupChatParticipantColors}
							/>
						</>
					)}

				{/* --- CENTER WORKSPACE (hidden when no sessions, group chat is active, or log viewer is open) --- */}
				{sessions.length > 0 && !activeGroupChatId && !logViewerOpen && (
					<MainPanel ref={mainPanelRef} {...mainPanelProps} />
				)}

				{/* --- RIGHT PANEL (hidden in mobile landscape, when no sessions, group chat is active, or log viewer is open) --- */}
				{!isMobileLandscape && sessions.length > 0 && !activeGroupChatId && !logViewerOpen && (
					<ErrorBoundary>
						<RightPanel ref={rightPanelRef} {...rightPanelProps} />
					</ErrorBoundary>
				)}

				{/* Old settings modal removed - using new SettingsModal component below */}
				{/* NOTE: NewInstanceModal and EditAgentModal are now rendered via AppSessionModals */}

				{/* --- SETTINGS MODAL (Lazy-loaded for performance) --- */}
				{settingsModalOpen && (
					<Suspense fallback={null}>
						<SettingsModal
							isOpen={settingsModalOpen}
							onClose={handleCloseSettings}
							theme={theme}
							themes={THEMES}
							activeThemeId={activeThemeId}
							setActiveThemeId={setActiveThemeId}
							customThemeColors={customThemeColors}
							setCustomThemeColors={setCustomThemeColors}
							customThemeBaseId={customThemeBaseId}
							setCustomThemeBaseId={setCustomThemeBaseId}
							llmProvider={llmProvider}
							setLlmProvider={setLlmProvider}
							modelSlug={modelSlug}
							setModelSlug={setModelSlug}
							apiKey={apiKey}
							setApiKey={setApiKey}
							shortcuts={shortcuts}
							setShortcuts={setShortcuts}
							tabShortcuts={tabShortcuts}
							setTabShortcuts={setTabShortcuts}
							defaultShell={defaultShell}
							setDefaultShell={setDefaultShell}
							customShellPath={customShellPath}
							setCustomShellPath={setCustomShellPath}
							shellArgs={shellArgs}
							setShellArgs={setShellArgs}
							shellEnvVars={shellEnvVars}
							setShellEnvVars={setShellEnvVars}
							ghPath={ghPath}
							setGhPath={setGhPath}
							enterToSendAI={enterToSendAI}
							setEnterToSendAI={setEnterToSendAI}
							enterToSendTerminal={enterToSendTerminal}
							setEnterToSendTerminal={setEnterToSendTerminal}
							defaultSaveToHistory={defaultSaveToHistory}
							setDefaultSaveToHistory={setDefaultSaveToHistory}
							defaultShowThinking={defaultShowThinking}
							setDefaultShowThinking={setDefaultShowThinking}
							fontFamily={fontFamily}
							setFontFamily={setFontFamily}
							fontSize={fontSize}
							setFontSize={setFontSize}
							terminalWidth={terminalWidth}
							setTerminalWidth={setTerminalWidth}
							logLevel={logLevel}
							setLogLevel={setLogLevel}
							maxLogBuffer={maxLogBuffer}
							setMaxLogBuffer={setMaxLogBuffer}
							maxOutputLines={maxOutputLines}
							setMaxOutputLines={setMaxOutputLines}
							osNotificationsEnabled={osNotificationsEnabled}
							setOsNotificationsEnabled={setOsNotificationsEnabled}
							audioFeedbackEnabled={audioFeedbackEnabled}
							setAudioFeedbackEnabled={setAudioFeedbackEnabled}
							audioFeedbackCommand={audioFeedbackCommand}
							setAudioFeedbackCommand={setAudioFeedbackCommand}
							toastDuration={toastDuration}
							setToastDuration={setToastDuration}
							checkForUpdatesOnStartup={checkForUpdatesOnStartup}
							setCheckForUpdatesOnStartup={setCheckForUpdatesOnStartup}
							enableBetaUpdates={enableBetaUpdates}
							setEnableBetaUpdates={setEnableBetaUpdates}
							crashReportingEnabled={crashReportingEnabled}
							setCrashReportingEnabled={setCrashReportingEnabled}
							customAICommands={customAICommands}
							setCustomAICommands={setCustomAICommands}
							initialTab={settingsTab}
							hasNoAgents={hasNoAgents}
							onThemeImportError={(msg) => setFlashNotification(msg)}
							onThemeImportSuccess={(msg) => setFlashNotification(msg)}
						/>
					</Suspense>
				)}

				{/* --- WIZARD RESUME MODAL (asks if user wants to resume incomplete wizard) --- */}
				{wizardResumeModalOpen && wizardResumeState && (
					<WizardResumeModal
						theme={theme}
						resumeState={wizardResumeState}
						onResume={(options?: { directoryInvalid?: boolean; agentInvalid?: boolean }) => {
							// Close the resume modal
							setWizardResumeModalOpen(false);

							const { directoryInvalid = false, agentInvalid = false } = options || {};

							// If agent is invalid, redirect to agent selection step with error
							// This takes priority since it's the first step
							if (agentInvalid) {
								const modifiedState = {
									...wizardResumeState,
									currentStep: 'agent-selection' as const,
									// Clear the agent selection so user must select a new one
									selectedAgent: null,
									// Keep other state for resume after agent selection
								};
								restoreWizardState(modifiedState);
							} else if (directoryInvalid) {
								// If directory is invalid, redirect to directory selection step with error
								const modifiedState = {
									...wizardResumeState,
									currentStep: 'directory-selection' as const,
									directoryError:
										'The previously selected directory no longer exists. Please choose a new location.',
									// Clear the directory path so user must select a new one
									directoryPath: '',
									isGitRepo: false,
								};
								restoreWizardState(modifiedState);
							} else {
								// Restore the saved wizard state as-is
								restoreWizardState(wizardResumeState);
							}

							// Open the wizard at the restored step
							openWizardModal();
							// Clear the resume state holder
							setWizardResumeState(null);
						}}
						onStartFresh={() => {
							// Close the resume modal
							setWizardResumeModalOpen(false);
							// Clear any saved resume state
							clearResumeState();
							// Open a fresh wizard
							openWizardModal();
							// Clear the resume state holder
							setWizardResumeState(null);
						}}
						onClose={() => {
							// Just close the modal without doing anything
							// The user can open the wizard manually later if they want
							setWizardResumeModalOpen(false);
							setWizardResumeState(null);
						}}
					/>
				)}

				{/* --- MAESTRO WIZARD (onboarding wizard for new users) --- */}
				{/* PERF: Only mount wizard component when open to avoid running hooks/effects */}
				{wizardState.isOpen && (
					<MaestroWizard
						theme={theme}
						onLaunchSession={handleWizardLaunchSession}
						onWizardStart={recordWizardStart}
						onWizardResume={recordWizardResume}
						onWizardAbandon={recordWizardAbandon}
						onWizardComplete={recordWizardComplete}
					/>
				)}

				{/* --- TOUR OVERLAY (onboarding tour for interface guidance) --- */}
				{/* PERF: Only mount tour component when open to avoid running hooks/effects */}
				{tourOpen && (
					<TourOverlay
						theme={theme}
						isOpen={tourOpen}
						fromWizard={tourFromWizard}
						shortcuts={shortcuts}
						onClose={() => {
							setTourOpen(false);
							setTourCompleted(true);
						}}
						onTourStart={recordTourStart}
						onTourComplete={recordTourComplete}
						onTourSkip={recordTourSkip}
					/>
				)}

				{/* --- FLASH NOTIFICATION (centered, auto-dismiss) --- */}
				{flashNotification && (
					<div
						className="fixed top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 px-6 py-4 rounded-lg shadow-2xl text-base font-bold animate-in fade-in zoom-in-95 duration-200 z-[9999]"
						style={{
							backgroundColor: theme.colors.warning,
							color: '#000000',
							textShadow: '0 1px 2px rgba(255, 255, 255, 0.3)',
						}}
					>
						{flashNotification}
					</div>
				)}

				{/* --- SUCCESS FLASH NOTIFICATION (centered, auto-dismiss) --- */}
				{successFlashNotification && (
					<div
						className="fixed top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 px-6 py-4 rounded-lg shadow-2xl text-base font-bold animate-in fade-in zoom-in-95 duration-200 z-[9999]"
						style={{
							backgroundColor: theme.colors.accent,
							color: theme.colors.accentForeground,
							textShadow: '0 1px 2px rgba(0, 0, 0, 0.3)',
						}}
					>
						{successFlashNotification}
					</div>
				)}

				{/* --- TOAST NOTIFICATIONS --- */}
				<ToastContainer theme={theme} onSessionClick={handleToastSessionClick} />
			</div>
		</GitStatusProvider>
	);
}

/**
 * MaestroConsole - Main application component with context providers
 *
 * Wraps MaestroConsoleInner with context providers for centralized state management.
 * Phase 3: InputProvider - centralized input state management
 * Phase 4: GroupChatProvider - centralized group chat state management
 * Phase 5: AutoRunProvider - centralized Auto Run and batch processing state management
 * Phase 6: SessionProvider - centralized session and group state management
 * Phase 7: InlineWizardProvider - inline /wizard command state management
 * See refactor-details-2.md for full plan.
 */
export default function MaestroConsole() {
	return (
		<SessionProvider>
			<AutoRunProvider>
				<GroupChatProvider>
					<InlineWizardProvider>
						<InputProvider>
							<MaestroConsoleInner />
						</InputProvider>
					</InlineWizardProvider>
				</GroupChatProvider>
			</AutoRunProvider>
		</SessionProvider>
	);
}
