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| # Dynamic OpenRouter Model Selection - Implementation Status | |
| ## ✅ Completed Features | |
| ### 1. OpenRouter API Integration | |
| - **File**: `/lib/openrouter.ts` | |
| - **Features**: | |
| - OpenRouter API client with authentication | |
| - Model fetching from `/api/v1/models` | |
| - TypeScript interfaces for OpenRouter models | |
| - Rate limiting and error handling | |
| ### 2. API Route for Model Fetching | |
| - **File**: `/app/api/openrouter/models/route.ts` | |
| - **Features**: | |
| - Proxy endpoint for OpenRouter models API | |
| - API key validation | |
| - Error handling and response formatting | |
| ### 3. React Hook for Model Management | |
| - **File**: `/hooks/useOpenRouterModels.ts` | |
| - **Features**: | |
| - Model fetching with caching | |
| - Search and filtering capabilities | |
| - Category-based filtering | |
| - Loading states and error handling | |
| ### 4. Model Selector Component | |
| - **File**: `/components/openrouter-model-selector/index.tsx` | |
| - **Features**: | |
| - Modal-based model selection UI | |
| - Real-time search and filtering | |
| - Model information display (pricing, context length) | |
| - Category filtering | |
| - Loading states and error handling | |
| - Responsive design | |
| ### 5. Settings UI Integration | |
| - **File**: `/components/editor/ask-ai/settings.tsx` | |
| - **Features**: | |
| - Toggle between static and dynamic OpenRouter models | |
| - API key input with validation | |
| - Integration with model selector component | |
| - Local storage for API key and selected model | |
| ### 6. API Logic Updates | |
| - **File**: `/app/api/ask-ai/route.ts` | |
| - **Features**: | |
| - Support for custom OpenRouter models | |
| - Dynamic model validation | |
| - Provider selection for both static and dynamic models | |
| - Error handling for missing API keys | |
| ### 7. Provider System Cleanup | |
| - **File**: `/lib/providers.ts` | |
| - **Changes**: | |
| - Removed all static OpenRouter model definitions | |
| - Kept HuggingFace auto-provider intact | |
| - Maintained backward compatibility | |
| ## 🧪 Testing Checklist | |
| ### Local Development Setup | |
| 1. ✅ Dependencies installed (`npm install`) | |
| 2. ⏳ Development server started (`npm run dev`) | |
| 3. ⏳ Application accessible at `http://localhost:3000` | |
| ### Core Functionality Tests | |
| 1. **API Key Management** | |
| - [ ] Enter OpenRouter API key in settings | |
| - [ ] Validate API key format (sk-or-v1-*) | |
| - [ ] API key persisted in local storage | |
| - [ ] Error handling for invalid keys | |
| 2. **Model Selection** | |
| - [ ] Toggle "Use Custom OpenRouter Models" option | |
| - [ ] Open model selector dialog | |
| - [ ] Search models by name | |
| - [ ] Filter models by category | |
| - [ ] Select a model and confirm selection | |
| - [ ] Selected model persisted in local storage | |
| 3. **Model Information Display** | |
| - [ ] Model pricing information shown | |
| - [ ] Context length displayed | |
| - [ ] Model description visible | |
| - [ ] Category labels correct | |
| 4. **Chat Functionality** | |
| - [ ] Send a message with custom OpenRouter model | |
| - [ ] Verify API call uses OpenRouter endpoint | |
| - [ ] Streaming response works correctly | |
| - [ ] Error handling for API failures | |
| 5. **UI/UX** | |
| - [ ] Loading states display properly | |
| - [ ] Error messages are user-friendly | |
| - [ ] Modal opens/closes smoothly | |
| - [ ] Search is responsive | |
| - [ ] Mobile responsiveness | |
| ## 🔧 Environment Requirements | |
| ### Required Environment Variables | |
| - No environment variables required (API keys stored locally) | |
| ### API Key Format | |
| - OpenRouter API key format: `sk-or-v1-*` | |
| - Minimum length: 20 characters | |
| ## 📝 Usage Instructions | |
| ### For Users | |
| 1. Open the application settings panel | |
| 2. Toggle "Use Custom OpenRouter Models" to enable dynamic selection | |
| 3. Enter your OpenRouter API key (format: sk-or-v1-...) | |
| 4. Click "Select Model" to open the model browser | |
| 5. Search/filter models as needed | |
| 6. Select your preferred model | |
| 7. Start chatting with your chosen model | |
| ### For Developers | |
| 1. Clone the repository | |
| 2. Run `npm install` to install dependencies | |
| 3. Start development server with `npm run dev` | |
| 4. Navigate to `http://localhost:3000` | |
| 5. Test the model selection flow | |
| ## 🔍 Key Files to Review | |
| - `/lib/openrouter.ts` - Core OpenRouter integration | |
| - `/hooks/useOpenRouterModels.ts` - Model management hook | |
| - `/components/openrouter-model-selector/index.tsx` - Model selector UI | |
| - `/components/editor/ask-ai/settings.tsx` - Settings integration | |
| - `/app/api/ask-ai/route.ts` - Chat API with dynamic model support | |
| - `/app/api/openrouter/models/route.ts` - Model fetching API | |
| ## ✨ Next Steps | |
| 1. Start the development server and test the complete flow | |
| 2. Verify all UI components render correctly | |
| 3. Test API integration with a valid OpenRouter API key | |
| 4. Confirm chat functionality works with selected models | |
| 5. Test error handling scenarios | |
| 6. Verify mobile responsiveness | |
| 7. Consider adding model favoriting/bookmarking feature | |
| 8. Add model performance metrics if available via API | |
| ## 🏗️ Architecture Notes | |
| - **Static Models**: HuggingFace models remain statically defined | |
| - **Dynamic Models**: OpenRouter models fetched from API | |
| - **Storage**: API keys and preferences stored in localStorage | |
| - **Validation**: Client-side and server-side API key validation | |
| - **Error Handling**: Graceful degradation with user-friendly messages | |
| - **Performance**: Model list cached to reduce API calls | |