feat: 支持 seo 优化

CLAUDE.md

@@ -50,3 +50,37 @@ All shared types in `types/index.ts` including file types, processing configs, A
 - 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)
+
+## Branding & SEO
+
+### Website Identity
+- **Project Name**: mini-game-ai (internal repository name)
+- **Website Domain**: https://kymr.top
+- **Brand Name**: KYMR.TOP
+- **Tagline**: Image & Video Converter | Game Development Tools
+
+**IMPORTANT**: When updating SEO metadata, always use "KYMR.TOP" as the brand name, NOT "Mini Game AI". The project name "mini-game-ai" is only used for the repository and should not appear in user-facing content.
+
+### SEO Keywords
+The website targets both English and Chinese search engines (Google, Baidu) with the following focus areas:
+
+**English Keywords:**
+- Primary: image compression, image converter, WebP converter, PNG optimizer
+- Secondary: video converter, video to frames, audio compression
+- Tertiary: texture atlas, sprite sheet generator, game development tools
+
+**Chinese Keywords:**
+- Primary: 图片压缩, 图片转换, WebP转换, PNG优化
+- Secondary: 视频转换, 视频抽帧, 音频压缩, 音频转换
+- Tertiary: 纹理图集, 精灵图生成, 游戏开发工具, 游戏素材工具
+
+### SEO Configuration Files
+- `src/app/layout.tsx` - Main metadata (title, description, keywords, Open Graph, Twitter Card)
+- `src/app/sitemap.ts` - XML sitemap for search engines
+- `src/app/robots.ts` - Robots.txt configuration
+- `public/manifest.json` - PWA manifest
+- `src/components/seo/StructuredData.tsx` - Schema.org structured data
+
+### Environment Variables
+- `NEXT_PUBLIC_SITE_URL` - Production URL (default: https://kymr.top)
+- `NEXT_PUBLIC_APP_URL` - App URL (may differ for development)