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/src/lib/gateway-config.ts

@@ -0,0 +1,33 @@
+/**
+ * OpenFang Gateway Configuration Types
+ *
+ * Types for gateway configuration and model choices.
+ */
+
+export interface GatewayModelChoice {
+  id: string;
+  name: string;
+  provider?: string;
+  contextWindow?: number;
+  maxOutput?: number;
+}
+
+export interface GatewayConfigSnapshot {
+  agentName?: string;
+  agentRole?: string;
+  userName?: string;
+  userRole?: string;
+  model?: string;
+  workspaceDir?: string;
+  gatewayUrl?: string;
+  gatewayToken?: string;
+  skillsExtraDirs?: string[];
+  mcpServices?: Array<{ id: string; name: string; enabled: boolean }>;
+  theme?: 'light' | 'dark';
+  autoStart?: boolean;
+  showToolCalls?: boolean;
+  restrictFiles?: boolean;
+  autoSaveContext?: boolean;
+  fileWatching?: boolean;
+  privacyOptIn?: boolean;
+}