diff --git a/src/__tests__/web/hooks/useKeyboardVisibility.test.ts b/src/__tests__/web/hooks/useKeyboardVisibility.test.ts
new file mode 100644
index 00000000..2e88b3e2
--- /dev/null
+++ b/src/__tests__/web/hooks/useKeyboardVisibility.test.ts
@@ -0,0 +1,100 @@
+/**
+ * Tests for useKeyboardVisibility hook
+ *
+ * Covers:
+ * - Default state when Visual Viewport API is unavailable
+ * - Keyboard offset calculation when viewport shrinks
+ * - Event listener registration and cleanup
+ */
+
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { renderHook, waitFor } from '@testing-library/react';
+import { useKeyboardVisibility } from '../../../web/hooks/useKeyboardVisibility';
+
+type MockViewport = {
+  height: number;
+  offsetTop: number;
+  addEventListener: (event: string, handler: () => void) => void;
+  removeEventListener: (event: string, handler: () => void) => void;
+};
+
+function setVisualViewport(mockViewport?: MockViewport) {
+  if (mockViewport) {
+    Object.defineProperty(window, 'visualViewport', {
+      value: mockViewport,
+      configurable: true,
+      writable: true,
+    });
+  } else {
+    Object.defineProperty(window, 'visualViewport', {
+      value: undefined,
+      configurable: true,
+      writable: true,
+    });
+  }
+}
+
+describe('useKeyboardVisibility', () => {
+  const originalInnerHeight = window.innerHeight;
+
+  beforeEach(() => {
+    vi.restoreAllMocks();
+    setVisualViewport(undefined);
+  });
+
+  afterEach(() => {
+    window.innerHeight = originalInnerHeight;
+    setVisualViewport(undefined);
+  });
+
+  it('returns default state when Visual Viewport API is unavailable', () => {
+    setVisualViewport(undefined);
+    const { result } = renderHook(() => useKeyboardVisibility());
+
+    expect(result.current.keyboardOffset).toBe(0);
+    expect(result.current.isKeyboardVisible).toBe(false);
+  });
+
+  it('calculates keyboard offset from viewport height', async () => {
+    const addEventListener = vi.fn();
+    const removeEventListener = vi.fn();
+
+    setVisualViewport({
+      height: 600,
+      offsetTop: 0,
+      addEventListener,
+      removeEventListener,
+    });
+
+    window.innerHeight = 800;
+
+    const { result } = renderHook(() => useKeyboardVisibility());
+
+    await waitFor(() => {
+      expect(result.current.keyboardOffset).toBe(200);
+      expect(result.current.isKeyboardVisible).toBe(true);
+    });
+  });
+
+  it('registers and cleans up viewport listeners', () => {
+    const addEventListener = vi.fn();
+    const removeEventListener = vi.fn();
+
+    setVisualViewport({
+      height: 700,
+      offsetTop: 0,
+      addEventListener,
+      removeEventListener,
+    });
+
+    const { unmount } = renderHook(() => useKeyboardVisibility());
+
+    expect(addEventListener).toHaveBeenCalledWith('resize', expect.any(Function));
+    expect(addEventListener).toHaveBeenCalledWith('scroll', expect.any(Function));
+
+    unmount();
+
+    expect(removeEventListener).toHaveBeenCalledWith('resize', expect.any(Function));
+    expect(removeEventListener).toHaveBeenCalledWith('scroll', expect.any(Function));
+  });
+});
diff --git a/src/__tests__/web/hooks/useLongPressMenu.test.ts b/src/__tests__/web/hooks/useLongPressMenu.test.ts
new file mode 100644
index 00000000..2aa62aa6
--- /dev/null
+++ b/src/__tests__/web/hooks/useLongPressMenu.test.ts
@@ -0,0 +1,157 @@
+/**
+ * Tests for useLongPressMenu hook
+ *
+ * Covers:
+ * - Long-press detection and menu opening
+ * - Canceling long press on touch move
+ * - Quick action handling
+ * - Manual menu close
+ */
+
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { renderHook, act } from '@testing-library/react';
+import { useLongPressMenu } from '../../../web/hooks/useLongPressMenu';
+
+function createTouchEvent(target: HTMLButtonElement): React.TouchEvent<HTMLButtonElement> {
+  return {
+    currentTarget: target,
+    touches: [{ clientX: 0, clientY: 0 }],
+    preventDefault: vi.fn(),
+  } as unknown as React.TouchEvent<HTMLButtonElement>;
+}
+
+describe('useLongPressMenu', () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+  });
+
+  afterEach(() => {
+    vi.runOnlyPendingTimers();
+    vi.useRealTimers();
+    vi.restoreAllMocks();
+  });
+
+  it('opens the menu after long press', () => {
+    const button = document.createElement('button');
+    button.getBoundingClientRect = vi.fn(() => ({
+      left: 10,
+      top: 20,
+      width: 30,
+      height: 40,
+      right: 40,
+      bottom: 60,
+      x: 10,
+      y: 20,
+      toJSON: () => {},
+    })) as unknown as () => DOMRect;
+
+    const { result } = renderHook(() =>
+      useLongPressMenu({
+        inputMode: 'ai',
+        value: 'hello',
+      })
+    );
+
+    act(() => {
+      result.current.sendButtonRef.current = button;
+    });
+
+    act(() => {
+      result.current.handleTouchStart(createTouchEvent(button));
+      vi.advanceTimersByTime(500);
+    });
+
+    expect(result.current.isMenuOpen).toBe(true);
+    expect(result.current.menuAnchor).toEqual({ x: 25, y: 20 });
+  });
+
+  it('cancels long press on touch move', () => {
+    const button = document.createElement('button');
+    button.getBoundingClientRect = vi.fn(() => ({
+      left: 0,
+      top: 0,
+      width: 10,
+      height: 10,
+      right: 10,
+      bottom: 10,
+      x: 0,
+      y: 0,
+      toJSON: () => {},
+    })) as unknown as () => DOMRect;
+
+    const { result } = renderHook(() =>
+      useLongPressMenu({
+        inputMode: 'ai',
+        value: 'hello',
+      })
+    );
+
+    act(() => {
+      result.current.sendButtonRef.current = button;
+    });
+
+    act(() => {
+      result.current.handleTouchStart(createTouchEvent(button));
+      result.current.handleTouchMove();
+      vi.advanceTimersByTime(500);
+    });
+
+    expect(result.current.isMenuOpen).toBe(false);
+  });
+
+  it('handles quick action selection', () => {
+    const onModeToggle = vi.fn();
+    const { result } = renderHook(() =>
+      useLongPressMenu({
+        inputMode: 'ai',
+        onModeToggle,
+        value: 'hello',
+      })
+    );
+
+    act(() => {
+      result.current.handleQuickAction('switch_mode');
+    });
+
+    expect(onModeToggle).toHaveBeenCalledWith('terminal');
+  });
+
+  it('closes the menu when requested', () => {
+    const button = document.createElement('button');
+    button.getBoundingClientRect = vi.fn(() => ({
+      left: 0,
+      top: 0,
+      width: 10,
+      height: 10,
+      right: 10,
+      bottom: 10,
+      x: 0,
+      y: 0,
+      toJSON: () => {},
+    })) as unknown as () => DOMRect;
+
+    const { result } = renderHook(() =>
+      useLongPressMenu({
+        inputMode: 'ai',
+        value: 'hello',
+      })
+    );
+
+    act(() => {
+      result.current.sendButtonRef.current = button;
+    });
+
+    act(() => {
+      result.current.handleTouchStart(createTouchEvent(button));
+      vi.advanceTimersByTime(500);
+    });
+
+    expect(result.current.isMenuOpen).toBe(true);
+
+    act(() => {
+      result.current.closeMenu();
+    });
+
+    expect(result.current.isMenuOpen).toBe(false);
+  });
+});
diff --git a/src/__tests__/web/hooks/useSlashCommandAutocomplete.test.ts b/src/__tests__/web/hooks/useSlashCommandAutocomplete.test.ts
new file mode 100644
index 00000000..5842f962
--- /dev/null
+++ b/src/__tests__/web/hooks/useSlashCommandAutocomplete.test.ts
@@ -0,0 +1,114 @@
+/**
+ * Tests for useSlashCommandAutocomplete hook
+ *
+ * Covers:
+ * - Open/close behavior based on input value
+ * - Manual open
+ * - Command selection auto-submit flow
+ * - Close handling for partial slash input
+ */
+
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { renderHook, act } from '@testing-library/react';
+import { useSlashCommandAutocomplete } from '../../../web/hooks/useSlashCommandAutocomplete';
+
+describe('useSlashCommandAutocomplete', () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+  });
+
+  afterEach(() => {
+    vi.runOnlyPendingTimers();
+    vi.useRealTimers();
+    vi.restoreAllMocks();
+  });
+
+  it('opens when input starts with slash and has no spaces', () => {
+    const { result } = renderHook(() =>
+      useSlashCommandAutocomplete({
+        inputValue: '',
+        isControlled: true,
+      })
+    );
+
+    act(() => {
+      result.current.handleInputChange('/he');
+    });
+
+    expect(result.current.isOpen).toBe(true);
+
+    act(() => {
+      result.current.handleInputChange('/help me');
+    });
+
+    expect(result.current.isOpen).toBe(false);
+  });
+
+  it('opens autocomplete manually and resets selection', () => {
+    const { result } = renderHook(() =>
+      useSlashCommandAutocomplete({
+        inputValue: '',
+        isControlled: true,
+      })
+    );
+
+    act(() => {
+      result.current.setSelectedIndex(3);
+      result.current.openAutocomplete();
+    });
+
+    expect(result.current.isOpen).toBe(true);
+    expect(result.current.selectedIndex).toBe(0);
+  });
+
+  it('handles command selection and auto-submit', () => {
+    const onChange = vi.fn();
+    const onSubmit = vi.fn();
+    const focus = vi.fn();
+    const inputRef = { current: { focus } } as React.RefObject<HTMLTextAreaElement>;
+
+    const { result } = renderHook(() =>
+      useSlashCommandAutocomplete({
+        inputValue: '/he',
+        isControlled: true,
+        onChange,
+        onSubmit,
+        inputRef,
+      })
+    );
+
+    act(() => {
+      result.current.handleSelectCommand('/help');
+    });
+
+    expect(onChange).toHaveBeenCalledWith('/help');
+    expect(result.current.isOpen).toBe(false);
+    expect(focus).toHaveBeenCalled();
+
+    act(() => {
+      vi.advanceTimersByTime(50);
+    });
+
+    expect(onSubmit).toHaveBeenCalledWith('/help');
+    expect(onChange).toHaveBeenCalledWith('');
+  });
+
+  it('clears partial slash input on close', () => {
+    const onChange = vi.fn();
+
+    const { result } = renderHook(() =>
+      useSlashCommandAutocomplete({
+        inputValue: '/hel',
+        isControlled: true,
+        onChange,
+      })
+    );
+
+    act(() => {
+      result.current.handleClose();
+    });
+
+    expect(result.current.isOpen).toBe(false);
+    expect(onChange).toHaveBeenCalledWith('');
+  });
+});
diff --git a/src/__tests__/web/hooks/useVoiceInput.test.ts b/src/__tests__/web/hooks/useVoiceInput.test.ts
new file mode 100644
index 00000000..82567ef1
--- /dev/null
+++ b/src/__tests__/web/hooks/useVoiceInput.test.ts
@@ -0,0 +1,171 @@
+/**
+ * Tests for useVoiceInput hook
+ *
+ * Covers:
+ * - Speech recognition support detection
+ * - Start/stop listening flow
+ * - Transcription updates from recognition results
+ * - Cleanup on unmount
+ */
+
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { renderHook, act } from '@testing-library/react';
+import {
+  useVoiceInput,
+  isSpeechRecognitionSupported,
+  type SpeechRecognitionEvent,
+  type SpeechRecognitionResultList,
+} from '../../../web/hooks/useVoiceInput';
+
+vi.mock('../../../web/utils/logger', () => ({
+  webLogger: {
+    debug: vi.fn(),
+    info: vi.fn(),
+    warn: vi.fn(),
+    error: vi.fn(),
+  },
+}));
+
+let lastRecognitionInstance: MockSpeechRecognition | null = null;
+
+class MockSpeechRecognition {
+  continuous = false;
+  interimResults = false;
+  lang = '';
+  maxAlternatives = 1;
+  onaudioend = null;
+  onaudiostart = null;
+  onend: ((this: MockSpeechRecognition, ev: Event) => void) | null = null;
+  onerror = null;
+  onnomatch = null;
+  onresult: ((this: MockSpeechRecognition, ev: SpeechRecognitionEvent) => void) | null = null;
+  onsoundend = null;
+  onsoundstart = null;
+  onspeechend = null;
+  onspeechstart = null;
+  onstart: ((this: MockSpeechRecognition, ev: Event) => void) | null = null;
+
+  start = vi.fn(() => {
+    this.onstart?.call(this, new Event('start'));
+  });
+
+  stop = vi.fn(() => {
+    this.onend?.call(this, new Event('end'));
+  });
+
+  abort = vi.fn();
+
+  constructor() {
+    lastRecognitionInstance = this;
+  }
+}
+
+function setSpeechRecognitionAvailable() {
+  Object.defineProperty(window, 'SpeechRecognition', {
+    value: MockSpeechRecognition,
+    configurable: true,
+    writable: true,
+  });
+}
+
+function clearSpeechRecognition() {
+  Object.defineProperty(window, 'SpeechRecognition', {
+    value: undefined,
+    configurable: true,
+    writable: true,
+  });
+  lastRecognitionInstance = null;
+}
+
+describe('useVoiceInput', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    setSpeechRecognitionAvailable();
+  });
+
+  afterEach(() => {
+    clearSpeechRecognition();
+  });
+
+  it('detects speech recognition support', () => {
+    expect(isSpeechRecognitionSupported()).toBe(true);
+  });
+
+  it('starts listening and updates transcription', () => {
+    const onTranscriptionChange = vi.fn();
+
+    const { result } = renderHook(() =>
+      useVoiceInput({
+        currentValue: 'hello',
+        onTranscriptionChange,
+      })
+    );
+
+    act(() => {
+      result.current.startVoiceInput();
+    });
+
+    expect(result.current.isListening).toBe(true);
+    expect(lastRecognitionInstance?.start).toHaveBeenCalled();
+
+    const alt = { transcript: 'world', confidence: 0.9 };
+    const mockResult = {
+      isFinal: true,
+      length: 1,
+      0: alt,
+      item: () => alt,
+    };
+    const mockResults = [mockResult] as unknown as SpeechRecognitionResultList;
+    (mockResults as { item?: (index: number) => unknown }).item = (index: number) => mockResults[index];
+
+    act(() => {
+      lastRecognitionInstance?.onresult?.call(lastRecognitionInstance, {
+        resultIndex: 0,
+        results: mockResults,
+      } as SpeechRecognitionEvent);
+    });
+
+    expect(onTranscriptionChange).toHaveBeenCalledWith('hello world');
+  });
+
+  it('stops listening when toggled off', () => {
+    const onTranscriptionChange = vi.fn();
+
+    const { result } = renderHook(() =>
+      useVoiceInput({
+        currentValue: '',
+        onTranscriptionChange,
+      })
+    );
+
+    act(() => {
+      result.current.startVoiceInput();
+    });
+
+    act(() => {
+      result.current.stopVoiceInput();
+    });
+
+    expect(lastRecognitionInstance?.stop).toHaveBeenCalled();
+    expect(result.current.isListening).toBe(false);
+  });
+
+  it('aborts recognition on unmount', () => {
+    const onTranscriptionChange = vi.fn();
+
+    const { result, unmount } = renderHook(() =>
+      useVoiceInput({
+        currentValue: '',
+        onTranscriptionChange,
+      })
+    );
+
+    act(() => {
+      result.current.startVoiceInput();
+    });
+
+    unmount();
+
+    expect(lastRecognitionInstance?.abort).toHaveBeenCalled();
+  });
+});
diff --git a/src/web/hooks/useDeviceColorScheme.ts b/src/web/hooks/useDeviceColorScheme.ts
index 2be99ceb..83cab8a5 100644
--- a/src/web/hooks/useDeviceColorScheme.ts
+++ b/src/web/hooks/useDeviceColorScheme.ts
@@ -7,7 +7,7 @@
  * their device settings.
  */
 
-import { useState, useEffect, useCallback } from 'react';
+import { useState, useEffect } from 'react';
 
 /**
  * Device color scheme preferences
diff --git a/src/web/hooks/useKeyboardVisibility.ts b/src/web/hooks/useKeyboardVisibility.ts
index 71ac4543..4a48a401 100644
--- a/src/web/hooks/useKeyboardVisibility.ts
+++ b/src/web/hooks/useKeyboardVisibility.ts
@@ -66,6 +66,7 @@ export function useKeyboardVisibility(): UseKeyboardVisibilityReturn {
    * Calculate keyboard offset from viewport dimensions
    */
   const calculateOffset = useCallback(() => {
+    if (typeof window === 'undefined') return;
     const viewport = window.visualViewport;
     if (!viewport) return;
 
@@ -86,6 +87,7 @@ export function useKeyboardVisibility(): UseKeyboardVisibilityReturn {
   }, []);
 
   useEffect(() => {
+    if (typeof window === 'undefined') return;
     const viewport = window.visualViewport;
     if (!viewport) return;
 
diff --git a/src/web/hooks/usePullToRefresh.ts b/src/web/hooks/usePullToRefresh.ts
index 37291eb9..6ef13a37 100644
--- a/src/web/hooks/usePullToRefresh.ts
+++ b/src/web/hooks/usePullToRefresh.ts
@@ -71,6 +71,7 @@ export function usePullToRefresh(options: UsePullToRefreshOptions): UsePullToRef
     threshold = GESTURE_THRESHOLDS.pullToRefresh,
     maxPull = 150,
     enabled = true,
+    containerRef,
   } = options;
 
   const [pullDistance, setPullDistance] = useState(0);
@@ -108,10 +109,10 @@ export function usePullToRefresh(options: UsePullToRefreshOptions): UsePullToRef
       touchStartX.current = touch.clientX;
 
       // Check if we're at the top of the scroll container
-      const target = e.currentTarget as HTMLElement;
+      const target = containerRef?.current ?? (e.currentTarget as HTMLElement);
       isScrolledToTop.current = checkScrollTop(target);
     },
-    [enabled, isRefreshing, checkScrollTop]
+    [enabled, isRefreshing, checkScrollTop, containerRef]
   );
 
   /**