feat: 支持多语言能力

CLAUDE.md

@@ -0,0 +1,52 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Commands
+
+| Command | Description |
+|---------|-------------|
+| `npm run dev` | Start dev server with Turbopack |
+| `npm run build` | Production build |
+| `npm run start` | Run production server |
+| `npm run lint` | ESLint check |
+| `npm run type-check` | TypeScript type checking without emit |
+| `npm run format` | Format code with Prettier |
+
+## Architecture
+
+### Tech Stack
+- **Framework**: Next.js 15 with App Router, React 19
+- **State**: Zustand for client state
+- **Styling**: Tailwind CSS with HSL CSS variables (dark mode by default)
+- **UI Components**: Custom components built on Radix UI primitives
+- **Animations**: Framer Motion
+- **Form Validation**: Zod
+- **Media Processing**: Sharp (images), FFmpeg (video/audio)
+
+### Route Groups
+- `(auth)` - Authentication routes (login, register)
+- `(dashboard)` - Dashboard routes with shared Sidebar layout
+
+### Tool Pages Pattern
+Each tool (image-compress, video-frames, audio-compress) follows a consistent pattern:
+1. `FileUploader` - Drag-drop file input using react-dropzone
+2. `ConfigPanel` - Tool-specific configuration options
+3. `ProgressBar` - Processing status indicator
+4. `ResultPreview` - Display processed files
+5. State managed via `useUploadStore` Zustand store
+
+### State Management
+- `store/uploadStore.ts` - File list, processing status, progress tracking
+- `store/authStore.ts` - User authentication state
+
+### Styling Convention
+Use `cn()` utility from `lib/utils.ts` for Tailwind class merging. Theme colors are CSS variables in `app/globals.css` accessed via HSL: `hsl(var(--primary))`.
+
+### Type Definitions
+All shared types in `types/index.ts` including file types, processing configs, API responses.
+
+### Development Phases
+- Current (Phase 1-4): Basic tools with mock API implementations
+- Phase 5: AI services integration (Replicate, OpenAI)
+- Phase 6: Authentication, database (PostgreSQL), payment processing (Stripe), cloud storage (Cloudflare R2)