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/pnpm-lock.yaml

@@ -23,6 +23,9 @@ importers:
       react-dom:
         specifier: ^19.1.0
         version: 19.2.4(react@19.2.4)
+      tweetnacl:
+        specifier: ^1.0.3
+        version: 1.0.3
       zustand:
         specifier: ^5.0.11
         version: 5.0.11(@types/react@19.2.14)(react@19.2.4)
@@ -907,6 +910,9 @@ packages:
     resolution: {integrity: sha512-j2Zq4NyQYG5XMST4cbs02Ak8iJUdxRM0XI5QyxXuZOzKOINmWurp3smXu3y5wDcJrptwpSjgXHzIQxR0omXljQ==}
     engines: {node: '>=12.0.0'}
 
+  tweetnacl@1.0.3:
+    resolution: {integrity: sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw==}
+
   typescript@5.8.3:
     resolution: {integrity: sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==}
     engines: {node: '>=14.17'}
@@ -1655,6 +1661,8 @@ snapshots:
       fdir: 6.5.0(picomatch@4.0.3)
       picomatch: 4.0.3
 
+  tweetnacl@1.0.3: {}
+
   typescript@5.8.3: {}
 
   update-browserslist-db@1.2.3(browserslist@4.28.1):