Add support for Factory.ai droid agent.

See: https://factory.ai/product/cli

src/__tests__/renderer/services/contextGroomer.test.ts

@@ -612,7 +612,7 @@ describe('buildContextTransferPrompt', () => {
 	});
 
 	it('should work for all agent type combinations', () => {
-		const agents: ToolType[] = ['claude-code', 'opencode', 'codex', 'factory-droid', 'claude', 'terminal'];
+		const agents: ToolType[] = ['claude-code', 'aider', 'opencode', 'codex', 'factory-droid', 'claude', 'terminal'];
 
 		for (const source of agents) {
 			for (const target of agents) {

src/main/agent-detector.ts

@@ -213,6 +213,93 @@ export const AGENT_DEFINITIONS: Omit<AgentConfig, 'available' | 'path' | 'capabi
 		// Default env vars - don't set NO_COLOR as it conflicts with FORCE_COLOR
 		defaultEnvVars: {},
 
+		// UI config options
+		// Model IDs from droid CLI (exact IDs required)
+		// NOTE: autonomyLevel is NOT configurable - Maestro always uses --skip-permissions-unsafe
+		// which conflicts with --auto. This matches Claude Code's behavior.
+		configOptions: [
+			{
+				key: 'model',
+				type: 'select',
+				label: 'Model',
+				description: 'Model to use for Factory Droid',
+				// Model IDs from `droid exec --help` (2026-01-22)
+				options: [
+					'', // Empty = use droid's default (claude-opus-4-5-20251101)
+					// OpenAI models
+					'gpt-5.1',
+					'gpt-5.1-codex',
+					'gpt-5.1-codex-max',
+					'gpt-5.2',
+					// Claude models
+					'claude-sonnet-4-5-20250929',
+					'claude-opus-4-5-20251101',
+					'claude-haiku-4-5-20251001',
+					// Google models
+					'gemini-3-pro-preview',
+				],
+				default: '', // Empty = use droid's default (claude-opus-4-5-20251101)
+				argBuilder: (value: string) => (value && value.trim() ? ['-m', value.trim()] : []),
+			},
+			{
+				key: 'reasoningEffort',
+				type: 'select',
+				label: 'Reasoning Effort',
+				description: 'How much the model should reason before responding',
+				options: ['', 'low', 'medium', 'high'],
+				default: '', // Empty = use droid's default reasoning
+				argBuilder: (value: string) => (value && value.trim() ? ['-r', value.trim()] : []),
+			},
+			{
+				key: 'contextWindow',
+				type: 'number',
+				label: 'Context Window Size',
+				description: 'Maximum context window in tokens (for UI display)',
+				default: 200000,
+			},
+		],
+	},
+	{
+		id: 'factory-droid',
+		name: 'Factory Droid',
+		binaryName: 'droid',
+		command: 'droid',
+		args: [], // Base args for interactive mode (none)
+		requiresPty: false, // Batch mode uses child process
+
+		// Batch mode: droid exec [options] "prompt"
+		batchModePrefix: ['exec'],
+		// Always skip permissions in batch mode (like Claude Code's --dangerously-skip-permissions)
+		// Maestro requires full access to work properly
+		batchModeArgs: ['--skip-permissions-unsafe'],
+
+		// JSON output for parsing
+		jsonOutputArgs: ['-o', 'stream-json'],
+
+		// Session resume: -s <id> (requires a prompt)
+		resumeArgs: (sessionId: string) => ['-s', sessionId],
+
+		// Read-only mode is DEFAULT in droid exec (no flag needed)
+		readOnlyArgs: [],
+
+		// YOLO mode (same as batchModeArgs, kept for explicit yoloMode requests)
+		yoloModeArgs: ['--skip-permissions-unsafe'],
+
+		// Model selection is handled by configOptions.model.argBuilder below
+		// Don't define modelArgs here to avoid duplicate -m flags
+
+		// Working directory
+		workingDirArgs: (dir: string) => ['--cwd', dir],
+
+		// File/image input
+		imageArgs: (imagePath: string) => ['-f', imagePath],
+
+		// Prompt is positional argument (no separator needed)
+		noPromptSeparator: true,
+
+		// Default env vars - don't set NO_COLOR as it conflicts with FORCE_COLOR
+		defaultEnvVars: {},
+
 		// UI config options
 		// Model IDs from droid CLI (exact IDs required)
 		// NOTE: autonomyLevel is NOT configurable - Maestro always uses --skip-permissions-unsafe
@@ -627,6 +714,16 @@ export class AgentDetector {
 				path.join(appData, 'npm', 'droid.cmd'),
 				path.join(localAppData, 'npm', 'droid.cmd'),
 			],
+			droid: [
+				// Factory Droid installation paths
+				path.join(home, '.factory', 'bin', 'droid.exe'),
+				path.join(localAppData, 'Factory', 'droid.exe'),
+				path.join(appData, 'Factory', 'droid.exe'),
+				path.join(home, '.local', 'bin', 'droid.exe'),
+				// npm global installation
+				path.join(appData, 'npm', 'droid.cmd'),
+				path.join(localAppData, 'npm', 'droid.cmd'),
+			],
 		};
 
 		const pathsToCheck = knownPaths[binaryName] || [];
@@ -715,6 +812,15 @@ export class AgentDetector {
 				// Add paths from Node version managers (in case installed via npm)
 				...versionManagerPaths.map((p) => path.join(p, 'droid')),
 			],
+			droid: [
+				// Factory Droid installation paths
+				path.join(home, '.factory', 'bin', 'droid'),
+				path.join(home, '.local', 'bin', 'droid'),
+				'/opt/homebrew/bin/droid',
+				'/usr/local/bin/droid',
+				// Add paths from Node version managers (in case installed via npm)
+				...versionManagerPaths.map((p) => path.join(p, 'droid')),
+			],
 		};
 
 		const pathsToCheck = knownPaths[binaryName] || [];

src/main/parsers/agent-output-parser.ts

@@ -41,6 +41,7 @@ const VALID_TOOL_TYPES: ToolType[] = [
 	'codex',
 	'terminal',
 	'claude',
+	'aider',
 	'factory-droid',
 ];
 

src/renderer/constants/agentIcons.ts

@@ -45,6 +45,9 @@ export const AGENT_ICONS: Record<string, string> = {
 	// Enterprise
 	'factory-droid': '🏭',
 
+	// Enterprise
+	'factory-droid': '🏭',
+
 	// Terminal/shell (internal)
 	terminal: '💻',
 };

src/renderer/utils/contextUsage.ts

@@ -17,6 +17,7 @@ export const DEFAULT_CONTEXT_WINDOWS: Record<ToolType, number> = {
 	claude: 200000, // Legacy Claude
 	codex: 200000, // OpenAI o3/o4-mini context window
 	opencode: 128000, // OpenCode (depends on model, 128k is conservative default)
+	aider: 128000, // Aider (varies by model, 128k is conservative default)
 	'factory-droid': 200000, // Factory Droid (varies by model, defaults to Claude Opus)
 	terminal: 0, // Terminal has no context window
 };

src/shared/types.ts

@@ -1,7 +1,7 @@
 // Shared type definitions for Maestro CLI and Electron app
 // These types are used by both the CLI tool and the renderer process
 
-export type ToolType = 'claude' | 'claude-code' | 'opencode' | 'codex' | 'terminal' | 'factory-droid';
+export type ToolType = 'claude' | 'claude-code' | 'aider' | 'opencode' | 'codex' | 'terminal' | 'factory-droid';
 
 /**
  * ThinkingMode controls how AI reasoning/thinking content is displayed.