chore: 更新项目文档和工具状态

- 更新 AGENTS.md 项目知识库文档（多目录）
- 添加 docs/analyst.md 产品分析文档
- 添加 .omc/ 工具状态和会话记录
- 添加 .sisyphus/ 计划文档
- 添加 project-structure.txt 项目结构
- 删除 timeline 测试截图

AGENTS.md

@@ -1,12 +1,12 @@
 # PROJECT KNOWLEDGE BASE
 
-**Generated:** 2026-02-01
+**Generated:** 2026-02-01 | **Updated:** 2026-02-20
 **Commit:** N/A (new generation)
 **Branch:** main
 
 ## OVERVIEW
 
-Next.js 15 multilingual AI project navigation website with App Router, TypeScript, Prisma ORM, and Tailwind CSS neo-brutalism design. Features automated project discovery and quarterly AI keyword cloud system.
+Next.js 15 multilingual AI project navigation website with App Router, TypeScript, Prisma ORM, and Tailwind CSS neo-brutalism design. Features automated project discovery, quarterly AI keyword cloud system, and AI Timeline historical events.
 
 ## STRUCTURE
 
@@ -256,3 +256,41 @@ pnpm prisma studio        # Database inspector
 - **src/components/**: Neo-brutalism design system, component organization (see `src/components/AGENTS.md`)
 - **src/lib/**: Validation layer, utilities, GitHub integration (see `src/lib/AGENTS.md`)
 - **src/hooks/**: Server-side data fetching, query optimization (see `src/hooks/AGENTS.md`)
+
+## N8N PRODUCTION WORKFLOWS
+
+Production workflows tagged with "生产" in n8n instance:
+
+| Workflow | Status | Nodes | Purpose |
+|----------|--------|-------|---------|
+| 项目描述向量化 | ✅ Active | 11 | Generate embeddings for project descriptions (RAG) |
+| Github项目分析入库 | ⏸️ Inactive | 16 | Analyze GitHub repos and ingest into database |
+| RAG项目搜索 | ✅ Active | 6 | AI-powered project search using vector similarity |
+| 每日Github Trending项目计划新增 | ✅ Active | 17 | Daily trending repos → discovery tasks |
+| Topic项目计划新增 | ⏸️ Inactive | 16 | Topic-based project discovery tasks |
+
+### Workflow Data Flow
+
+```
+GitHub Trending/Topic → Discovery Tasks (PENDING)
+                              ↓
+                    Content Explorer Agent
+                              ↓
+                    Project Ingestion API
+                              ↓
+                    向量化 Workflow → Embeddings
+                              ↓
+                    RAG项目搜索 ← User Query
+```
+
+## AI TIMELINE SYSTEM
+
+Historical AI events tracking system:
+
+- **Model**: `AIEvent` in `prisma/schema.prisma`
+- **Fields**: title/titleEn, eventDate, description/descriptionEn, imageUrl, sourceUrl
+- **API**: `src/app/api/events/route.ts`
+- **Frontend**: `src/app/[locale]/timeline/`
+- **Index**: `eventDate` (descending) for chronological queries
+
+<!-- MANUAL: Additional notes can be added below -->