feat: Add unified LiteLLM API management with dashboard UI and CLI integration

- Create ccw-litellm Python package with AbstractEmbedder and AbstractLLMClient interfaces
- Add BaseEmbedder abstraction and factory pattern to codex-lens for pluggable backends
- Implement API Settings dashboard page for provider credentials and custom endpoints
- Add REST API routes for CRUD operations on providers and endpoints
- Extend CLI with --model parameter for custom endpoint routing
- Integrate existing context-cache for @pattern file resolution
- Add provider model registry with predefined models per provider type
- Include i18n translations (en/zh) for all new UI elements

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

ccw/src/core/server.ts

@@ -22,6 +22,8 @@ import { handleSessionRoutes } from './routes/session-routes.js';
 import { handleCcwRoutes } from './routes/ccw-routes.js';
 import { handleClaudeRoutes } from './routes/claude-routes.js';
 import { handleHelpRoutes } from './routes/help-routes.js';
+import { handleLiteLLMRoutes } from './routes/litellm-routes.js';
+import { handleLiteLLMApiRoutes } from './routes/litellm-api-routes.js';
 
 // Import WebSocket handling
 import { handleWebSocketUpgrade, broadcastToClients } from './websocket.js';
@@ -311,6 +313,16 @@ export async function startServer(options: ServerOptions = {}): Promise<http.Ser
         if (await handleCodexLensRoutes(routeContext)) return;
       }
 
+      // LiteLLM routes (/api/litellm/*)
+      if (pathname.startsWith('/api/litellm/')) {
+        if (await handleLiteLLMRoutes(routeContext)) return;
+      }
+
+      // LiteLLM API routes (/api/litellm-api/*)
+      if (pathname.startsWith('/api/litellm-api/')) {
+        if (await handleLiteLLMApiRoutes(routeContext)) return;
+      }
+
       // Graph routes (/api/graph/*)
       if (pathname.startsWith('/api/graph/')) {
         if (await handleGraphRoutes(routeContext)) return;