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

prisma/AGENTS.md

@@ -0,0 +1,128 @@
+# prisma/ - Database Layer
+
+<!-- Parent: ../AGENTS.md -->
+
+## OVERVIEW
+
+Prisma ORM configuration for PostgreSQL (Neon serverless) with multilingual support, vector embeddings, and automated workflows integration.
+
+## KEY FILES
+
+| File | Purpose |
+|------|---------|
+| `schema.prisma` | Database models, enums, indexes |
+| `seed.ts` | Initial data seeding script |
+| `migrations/` | Migration history |
+
+## DATABASE MODELS
+
+### Core Models
+
+| Model | Purpose | Key Fields |
+|-------|---------|------------|
+| `Project` | AI projects | name/nameEn, slug (unique), description, content, embedding (vector) |
+| `Tag` | Project tags | name (unique), slug (unique) |
+| `ExternalLink` | Project links | type (WEBSITE/GITHUB/HUGGINGFACE/PAPER), url |
+| `ProjectTag` | Junction table | projectId, tagId |
+
+### Keyword Cloud System
+
+| Model | Purpose |
+|-------|---------|
+| `Quarter` | Quarterly metadata |
+| `Keyword` | Trending keywords with visual config |
+| `VisualStyleRule` | Color/size/border rules by score range |
+| `KeywordCloudErrorLog` | Error tracking for n8n workflows |
+
+### Discovery System
+
+| Model | Purpose |
+|-------|---------|
+| `ProjectDiscoveryTask` | Exploration task tracking |
+
+### AI Timeline System
+
+| Model | Purpose |
+|-------|---------|
+| `AIEvent` | Historical AI events with dates |
+
+## ENUMS
+
+- `ProjectStatus`: ACTIVE | ARCHIVED
+- `LinkType`: WEBSITE | GITHUB | HUGGINGFACE | PAPER
+- `TaskStatus`: PENDING | IN_PROGRESS | COMPLETED | FAILED
+
+## INDEXES
+
+| Index | Model | Purpose |
+|-------|-------|---------|
+| `idx_project_slug` | Project | Unique slug lookup |
+| `idx_project_status_createdAt` | Project | Filter by status, sort by date |
+| `idx_project_embedding_cosine` | Project | Vector similarity search |
+| `idx_link_type_url` | ExternalLink | URL deduplication |
+| `idx_task_status_created` | ProjectDiscoveryTask | Task queue queries |
+| `idx_keyword_quarterId` | Keyword | Quarterly keyword lookup |
+| `idx_quarter_displayOrder` | Quarter | Quarter ordering |
+
+## MULTILINGUAL PATTERN
+
+Most models follow the dual-language pattern:
+```
+name: String         // Chinese (primary)
+nameEn: String?      // English (optional)
+
+description: String
+descriptionEn: String?
+
+content: String?
+contentEn: String?
+```
+
+## CASCADE DELETIONS
+
+- `ExternalLink` → `Project` (onDelete: Cascade)
+- `ProjectTag` → `Project` and `Tag` (onDelete: Cascade)
+- `Keyword` → `Quarter` (onDelete: Cascade)
+
+## FOR AI AGENTS
+
+### Working With This Directory
+
+1. **After schema changes**:
+   ```bash
+   pnpm prisma migrate dev --name description
+   pnpm prisma generate
+   ```
+
+2. **Seed database**:
+   ```bash
+   pnpm prisma db seed
+   ```
+
+3. **Inspect database**:
+   ```bash
+   pnpm prisma studio
+   ```
+
+### Common Patterns
+
+- **Unique constraints**: Handle with try-catch + fallback (see webhook tag upsert)
+- **Multilingual queries**: Always check both `field` and `fieldEn` variants
+- **Vector search**: Use `Unsupported("vector")` type with pgvector extension
+
+### Anti-Patterns
+
+- NEVER modify schema without running migrations
+- NEVER skip `pnpm prisma generate` after schema changes
+- NEVER use raw SQL when Prisma methods are available
+- NEVER commit `.env` files with DATABASE_URL
+
+## N8N INTEGRATION
+
+n8n workflows interact with these models:
+- **Keywords**: Written by keyword-cloud workflow
+- **ProjectDiscoveryTask**: Created by trending/topic workflows
+- **Project**: Updated by analysis workflows
+- **Tag**: Maintained by tag-janitor workflow
+
+<!-- MANUAL: Additional notes can be added below -->