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>

hands/lead.HAND.toml

@@ -0,0 +1,73 @@
+# Lead Hand - 销售线索发现能力包
+#
+# OpenFang Hand 配置示例
+# 这个 Hand 自动发现和筛选销售线索
+
+[hand]
+name = "lead"
+version = "1.0.0"
+description = "销售线索发现和筛选能力包 - 自动识别潜在客户"
+author = "ZCLAW Team"
+
+type = "automation"
+requires_approval = true  # 线索操作需要审批
+timeout = 600
+max_concurrent = 1
+
+tags = ["sales", "leads", "automation", "discovery", "qualification"]
+
+[hand.config]
+# 线索来源
+sources = ["linkedin", "company_website", "crunchbase", "public_records"]
+
+# 筛选条件
+[hand.config.filters]
+# 最小公司规模
+min_company_size = 10
+# 目标行业
+industries = ["technology", "saas", "fintech", "healthcare"]
+# 目标地区
+regions = ["china", "north_america", "europe"]
+
+# 评分权重
+[hand.config.scoring]
+company_fit = 0.4
+engagement_likelihood = 0.3
+budget_indication = 0.2
+timing_signals = 0.1
+
+[hand.triggers]
+manual = true
+schedule = true  # 允许定时触发
+webhook = true
+
+# 定时触发：每天早上 9 点
+[[hand.triggers.schedules]]
+cron = "0 9 * * 1-5"  # 工作日 9:00
+enabled = true
+timezone = "Asia/Shanghai"
+
+[hand.permissions]
+requires = [
+  "web.search",
+  "web.fetch",
+  "api.external",
+  "database.write"
+]
+
+roles = ["operator.read", "operator.write", "sales.read"]
+
+[hand.approval]
+# 审批流程配置
+timeout_hours = 24
+approvers = ["sales_manager", "admin"]
+auto_approve_after_hours = 0  # 不自动批准
+
+[hand.rate_limit]
+max_requests = 100
+window_seconds = 86400  # 每天
+
+[hand.audit]
+log_inputs = true
+log_outputs = true
+retention_days = 90  # 销售数据保留更久