Develop (#55)

feat: optimize dashboard/search UX and simplify extension architecture

Redesign Dashboard with compact tool grid and recently used tools
Improve TopBar search UX with Cmd/Ctrl+K shortcut and better history navigation
Reorganize project structure into src/
Migrate i18n from react-i18next to chrome.i18n
Remove runtime language switch and settings page
Remove HTML/Markdown conversion tools
Clean up unused code, dead animations, redundant comments, and imports
Improve component consistency with shadcn/ui patterns
Replace hardcoded strings/colors with i18n tokens and theme tokens
Add comprehensive project documentation and coding standards
Fix CI artifact upload workflow and multiple TypeScript/test issues

Includes various refactors, UI polish, i18n cleanup, CI improvements,
and maintenance updates across the codebase.

src/pages/RightClickRestorer/__tests__/index.test.tsx

@@ -0,0 +1,38 @@
+import { render, screen, fireEvent } from '@testing-library/react';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import RightClickRestorerPage from '../index';
+
+const mockUnlock = vi.fn();
+
+vi.mock('../useRightClickRestorer', () => ({
+  useRightClickRestorer: () => ({
+    domain: 'example.com',
+    isLoading: false,
+    isUnlocked: false,
+    isUnsupported: false,
+    unlock: mockUnlock,
+  }),
+}));
+
+describe('RightClickRestorerPage', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('should render current domain', () => {
+    render(<RightClickRestorerPage />);
+    expect(screen.getByText(/example\.com/)).toBeInTheDocument();
+  });
+
+  it('should render locked status', () => {
+    render(<RightClickRestorerPage />);
+    expect(screen.getByText(/未解锁/)).toBeInTheDocument();
+  });
+
+  it('should call unlock when button clicked', () => {
+    render(<RightClickRestorerPage />);
+    const button = screen.getByRole('button');
+    fireEvent.click(button);
+    expect(mockUnlock).toHaveBeenCalled();
+  });
+});