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>

docs/archive/openclaw-legacy/README.md

@@ -0,0 +1,28 @@
+# OpenClaw Legacy 文档归档
+
+**归档日期**: 2026-03-14
+**归档原因**: ZClaw 项目已从 OpenClaw 迁移到 OpenFang
+
+---
+
+## 归档文件说明
+
+| 文件 | 原用途 | 归档原因 |
+|------|--------|----------|
+| `zclaw-openclaw-roadmap.md` | OpenClaw 功能落地路线图 | 项目已切换到 OpenFang |
+| `openclaw-knowledge-base.md` | OpenClaw 技术知识库 | OpenFang 架构不同 |
+| `deviation-analysis.md` | 偏离分析报告 | 针对 OpenClaw 的分析 |
+| `openclaw-deep-dive.md` | OpenClaw 深度分析 | OpenFang 架构不同 |
+| `autoclaw界面/` | AutoClaw 界面截图 | 参考用途已完成 |
+
+## 当前活跃文档
+
+项目现在使用以下活跃文档：
+
+- `docs/openfang-technical-reference.md` - OpenFang 技术参考
+- `docs/knowledge-base/` - 活跃知识库
+- `CLAUDE.md` - 项目协作规则
+
+## 历史参考
+
+这些文档保留作为历史参考，展示项目从 OpenClaw 到 OpenFang 的演进过程。