docs(02-02): complete bilibili adapter plan

- Create 02-02-SUMMARY.md with execution results
- Update STATE.md with decisions and session info
- Update ROADMAP.md with plan progress

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.planning/ROADMAP.md

@@ -12,8 +12,8 @@
 
 Decimal phases appear between their surrounding integers in numeric order.
 
-- [ ] **Phase 1: Foundation** - 状态管理、Schema验证、错误处理、统一配置
-- [ ] **Phase 2: Platform Skills** - B站/知乎链接解析、元数据提取、内容下载
+- [x] **Phase 1: Foundation** - 状态管理、Schema验证、错误处理、统一配置
+- [x] **Phase 2: Platform Skills** - B站/知乎链接解析、元数据提取、内容下载
 - [ ] **Phase 3: Processing Skills** - ASR/OCR集成、多模态内容处理
 - [ ] **Phase 4: Analysis & Orchestration** - 深度分析集成、完整管道编排、端到端验证
 
@@ -49,9 +49,9 @@ Plans:
 **Plans:** 3 plans
 
 Plans:
-- [ ] 02-01-PLAN.md — Link Parser & Idempotency Checker (PLAT-01, PLAT-02, PLAT-03)
-- [ ] 02-02-PLAN.md — Bilibili Adapter: 视频元数据 + 专栏内容 (PLAT-01, PLAT-02)
-- [ ] 02-03-PLAN.md — Zhihu Adapter: 问答 + 专栏内容 (PLAT-03)
+- [x] 02-01-PLAN.md — Link Parser & Idempotency Checker (PLAT-01, PLAT-02, PLAT-03)
+- [x] 02-02-PLAN.md — Bilibili Adapter: 视频元数据 + 专栏内容 (PLAT-01, PLAT-02)
+- [x] 02-03-PLAN.md — Zhihu Adapter: 问答 + 专栏内容 (PLAT-03)
 
 ### Phase 3: Processing Skills
 **Goal**: 集成ASR和OCR处理能力，支持视频和图片的多模态内容提取
@@ -94,11 +94,11 @@ Phases execute in numeric order: 1 → 2 → 3 → 4
 | Phase | Plans Complete | Status | Completed |
 |-------|----------------|--------|-----------|
 | 1. Foundation | 3/3 | Complete | 01-02, 01-01, 01-03 |
-| 2. Platform Skills | 0/3 | Ready | - |
+| 2. Platform Skills | 3/3 | Complete | 02-01, 02-02, 02-03 |
 | 3. Processing Skills | 0/2 | Not started | - |
 | 4. Analysis & Orchestration | 0/3 | Not started | - |
 
 ---
 *Roadmap created: 2026-03-13*
-*Last updated: 2026-03-13 - Phase 2 planned (3 plans ready)*
+*Last updated: 2026-03-13 - Phase 2 complete (3/3 plans)*
 *Granularity: coarse (4 phases)*