v2.0.0: Multi-Provider AI Vision

✨ What's New

🤖 Multi-Provider AI Support

You can now choose from 3 different AI providers for screenshot-to-puzzle extraction:

Provider	Model	Best For
AIML (Default)	Gemini 3 Pro	Best grid extraction accuracy
Vercel	Claude Sonnet 4.5	Excellent spatial reasoning
Gemini	Gemini 3 Pro	Direct Google API

🎨 New UI Toggle

• Added a 3-button toggle to switch between AI providers
• Color-coded indicators: Emerald (AIML), Indigo (Gemini), Orange (Vercel)

🔧 Technical Improvements

• New service files: services/aiml.ts and services/vercel.ts
• Environment variable support: AIML_API_KEY, VERCEL_API_KEY, GEMINI_API_KEY
• Optimized prompts for faster and more accurate responses
• Increased token limits to prevent truncated AI responses

📦 Dependencies

• Cleaner, lighter bundle with native fetch for API calls

📖 Documentation

• Updated README.md with multi-provider setup instructions
• Updated walkthrough.md with AI provider comparison
• Updated codewalkthrough.md with detailed service documentation

🔑 Configuration

Create a .env.local file with your API keys:

AIML_API_KEY=your_key      # Recommended
VERCEL_API_KEY=your_key    # Optional
GEMINI_API_KEY=your_key    # Optional