feat(hands): restructure Hands UI with Chinese localization

Major changes:
- Add HandList.tsx component for left sidebar
- Add HandTaskPanel.tsx for middle content area
- Restructure Sidebar tabs: 分身/HANDS/Workflow
- Remove Hands tab from RightPanel
- Localize all UI text to Chinese
- Archive legacy OpenClaw documentation
- Add Hands integration lessons document
- Update feature checklist with new components

UI improvements:
- Left sidebar now shows Hands list with status icons
- Middle area shows selected Hand's tasks and results
- Consistent styling with Tailwind CSS
- Chinese status labels and buttons

Documentation:
- Create docs/archive/openclaw-legacy/ for old docs
- Add docs/knowledge-base/hands-integration-lessons.md
- Update docs/knowledge-base/feature-checklist.md
- Update docs/knowledge-base/README.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

desktop/vite.config.ts

@@ -28,5 +28,14 @@ export default defineConfig(async () => ({
       // 3. tell Vite to ignore watching `src-tauri`
       ignored: ["**/src-tauri/**"],
     },
+    proxy: {
+      // Proxy /api requests to OpenFang (port 50051) or OpenClaw (port 18789)
+      '/api': {
+        target: 'http://127.0.0.1:50051',
+        changeOrigin: true,
+        secure: false,
+        ws: true,  // Enable WebSocket proxy for streaming
+      },
+    },
   },
 }));