feat: implement comprehensive Chinese translation support

.github/workflows/auto-translate.yml

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+name: Auto Translate
+
+on:
+  push:
+    branches: [dev]
+    paths:
+      - 'packages/web/src/content/docs/docs/*.mdx'
+      - 'packages/web/src/content/docs/docs/*.md'
+
+jobs:
+  translate:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write      # Need write permission for creating branches, commits, etc.
+      id-token: write     # Generate JWT token for GitHub API calls
+      pull-requests: write # Need write permission for creating pull requests
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: dev
+          fetch-depth: 0  # Need full history to detect changes
+
+      - name: Run translation
+        uses: ./auto-translate
+        with:
+          model: anthropic/claude-sonnet-4-20250514
+          source_lang: 'en'
+          target_lang: 'zh'
+        env:
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}

auto-translate/.gitignore

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+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+bun.lock
+
+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# Logs
+*.log
+logs/
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Dependency directories
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Temporary files
+*.tmp
+*.temp

auto-translate/README.md

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+# Auto Translate Action
+
+Automatically translate English documentation to Chinese using GitHub Actions.
+
+## Features
+
+- 🚀 **Auto-trigger**: Automatically triggers translation when English docs are updated
+- 🤖 **AI-powered**: Uses Claude AI for high-quality translation
+- 📝 **Smart detection**: Automatically detects document changes (added, modified, deleted)
+- 🔄 **Branch management**: Creates independent translation branches without affecting main branch
+- 📋 **PR creation**: Automatically creates translation PRs for human review
+- 🌏 **Multi-language support**: Supports multiple language pairs (currently English → Chinese)
+
+## Usage
+
+### 1. Reference in workflow
+
+```yaml
+name: Auto Translate
+
+on:
+  push:
+    branches: [dev]
+    paths:
+      - 'packages/web/src/content/docs/docs/**/*.mdx'
+      - 'packages/web/src/content/docs/docs/**/*.md'
+
+jobs:
+  translate:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      id-token: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: dev
+          fetch-depth: 0
+
+      - name: Run translation
+        uses: ./auto-translate
+        with:
+          model: anthropic/claude-sonnet-4-20250514
+          source_lang: 'en'
+          target_lang: 'zh'
+        env:
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+```
+
+### 2. Configure environment variables
+
+Add to repository Secrets:
+- `ANTHROPIC_API_KEY`: Anthropic API key
+
+### 3. Configure permissions
+
+Ensure workflow has sufficient permissions:
+- `contents: write`: Update Chinese documentation
+- `pull-requests: write`: Create translation PRs
+- `id-token: write`: Generate JWT token
+
+## Workflow
+
+1. **Trigger detection**: Monitors English doc changes pushed to dev branch
+2. **Change analysis**: Analyzes added, modified, and deleted documents
+3. **AI translation**: Calls Claude AI for document translation
+4. **Branch creation**: Creates independent translation branch
+5. **File updates**: Updates corresponding Chinese documentation
+6. **Commit & push**: Commits translation results and pushes to remote
+7. **PR creation**: Automatically creates translation PR for review
+
+## Input Parameters
+
+| Parameter | Description | Required | Default |
+|-----------|-------------|----------|---------|
+| `model` | AI model | Yes | `anthropic/claude-sonnet-4-20250514` |
+| `source_lang` | Source language | Yes | `en` |
+| `target_lang` | Target language | Yes | `zh` |
+| `token` | GitHub token | No | `GITHUB_TOKEN` |
+
+## Output
+
+- Automatically creates translation branch
+- Updates Chinese documentation files
+- Creates translation PR
+- Detailed execution logs
+
+## Technical Architecture
+
+```
+Workflow → Action → Business Logic
+├── Trigger condition check
+├── Environment configuration
+├── Dependency installation
+├── Document change detection
+├── AI translation call
+├── Git operations
+└── PR creation
+```
+
+## Requirements
+
+- Node.js 18+
+- Bun 1.0+
+- GitHub Actions v4
+
+## Notes
+
+- Translation quality requires human review
+- Ensure API key security configuration
+- Recommend testing in test environment before deploying to production
+
+## Troubleshooting
+
+### Common Issues
+
+1. **Insufficient permissions**: Check workflow permission configuration
+2. **API call failure**: Verify API key is correct
+3. **Git operation failure**: Confirm repository access permissions
+4. **Poor translation quality**: Adjust translation prompts or use better models
+
+### Log Viewing
+
+View detailed execution logs in GitHub Actions page, including:
+- Document change detection results
+- AI translation call status
+- Git operation execution
+- Error messages and stack traces
+
+## Contributing
+
+Welcome to submit Issues and Pull Requests to improve this Action!
+
+## License
+
+MIT License

auto-translate/action.yml

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+name: "Auto Translate Action"
+description: "Automatically translate English documentation to Chinese using AI"
+branding:
+  icon: "globe"
+  color: "blue"
+
+inputs:
+  model:
+    description: "The AI model to use for translation. Takes the format of `provider/model`."
+    required: true
+    default: "anthropic/claude-sonnet-4-20250514"
+
+  source_lang:
+    description: "Source language for translation."
+    required: true
+    default: "en"
+
+  target_lang:
+    description: "Target language for translation."
+    required: true
+    default: "zh"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install opencode
+      shell: bash
+      run: curl -fsSL https://opencode.ai/install | bash
+
+    - name: Install bun
+      shell: bash
+      run: npm install -g bun
+
+    - name: Install dependencies
+      shell: bash
+      run: |
+        cd ${GITHUB_ACTION_PATH}
+        bun install
+
+    - name: Run translation
+      shell: bash
+      run: bun ${GITHUB_ACTION_PATH}/index.ts
+      env:
+        MODEL: ${{ inputs.model }}
+        SOURCE_LANG: ${{ inputs.source_lang }}
+        TARGET_LANG: ${{ inputs.target_lang }}
+        TOKEN: ${{ github.token }}