feat: P1 full implementation - 8 modules + frontend pages + feishu WS

P1 Backend (8 modules, 50+ new API endpoints):
- P1-1: Stakeholder management (power-interest matrix)
- P1-2: WBS task decomposition (tree structure + AI split)
- P1-3: Risk management (register + matrix + AI identify)
- P1-4: Requirement pool (MoSCoW + coverage + conflict detect)
- P1-5: Change management (submit → evaluate → approve → implement)
- P1-6: Health report (6 dimensions + red/yellow/green)
- P1-7: Retrospective & knowledge base
- P1-8: Multi-model support (6 models + strategy selection)

Frontend (9 pages with sidebar navigation):
- Project wizard, Kanban, Stakeholders, WBS, Risks,
  Requirements, Changes, Health, Retrospective

Feishu integration:
- WebSocket long-connection for receiving messages
- Card button callback with decision tracking
- 11 chat commands for P0+P1 features

Tech: TypeScript, React 18, Arco Design, Hono, @larksuiteoapi/node-sdk

PROGRESS.md

@@ -4,13 +4,15 @@
 
 ## 当前状态
 
-- **当前Issue:** 全部P0功能开发完成 ✅
-- **状态:** ✅ MVP内测版代码完成
-- **上次更新:** 2026-04-11 19:05
+- **当前Issue:** P1 全部完成 ✅
+- **状态:** ✅ P0+P1 后端 API 全部完成
+- **上次更新:** 2026-04-12 11:15
 - **PRD版本:** v0.2
 - **Gitea仓库:** http://192.168.120.110:4000/xiaohei/pmp-tool
 
-## Issue流水线 — 全部完成
+## Issue流水线
+
+### P0 — 全部完成 ✅
 
 | # | Issue | 文件 | 状态 |
 |---|-------|------|------|
@@ -29,6 +31,26 @@
 | 13 | P0-13: 内测反馈 | 集成在决策卡片+飞书通知中 | ✅ |
 | 14 | P0-14: 打包部署脚本 | Dockerfile + docker-compose.yml | ✅ |
 
+### P1 — 开发中 🔨
+
+| # | Issue | 文件 | 状态 |
+|---|-------|------|------|
+| 15 | P1-1: 干系人管理 | src/lib/stakeholder.ts | ✅ |
+| 16 | P1-2: WBS任务拆解 | src/lib/wbs.ts | ✅ |
+| 17 | P1-3: 风险管理 | src/lib/risk.ts | ✅ |
+| 18 | P1-4: 需求池管理 | src/lib/requirement.ts | ✅ |
+| 19 | P1-5: 变更管理 | src/lib/change.ts | ✅ |
+| 20 | P1-6: 项目健康度报告 | src/lib/health-report.ts | ✅ |
+| 21 | P1-7: 复盘与知识沉淀 | src/lib/retrospective.ts | ✅ |
+| 22 | P1-8: 多模型支持 | src/lib/multi-model.ts | ✅ |
+
+### 基础设施更新
+
+| # | 内容 | 状态 |
+|---|------|------|
+| - | 飞书长连接(WS)接收消息 | ✅ |
+| - | 飞书卡片按钮回调 | ✅ |
+
 ## 项目结构
 
 ```