## Kanban Real-time Sync (NEW-002)
- Backend:
- WebSocket endpoint: /ws/projects/{project_id}
- Project room management in ConnectionManager
- Redis Pub/Sub: project:{project_id}:tasks channel
- Task CRUD event publishing (5 event types)
- Redis connection retry with exponential backoff
- Race condition fix in broadcast_to_project
- Frontend:
- ProjectSyncContext for WebSocket management
- Reconnection with exponential backoff (max 5 attempts)
- Multi-tab event deduplication via event_id
- Live/Offline connection indicator
- Optimistic updates with rollback
- Spec:
- collaboration spec: +1 requirement (Project Real-time Sync)
- 7 new scenarios for real-time sync
## Workload Cache Fix (NEW-001)
- Added cache invalidation to all task endpoints:
- create_task, update_task, update_task_status
- delete_task, restore_task, assign_task
- Extended to clear heatmap cache as well
## OpenSpec Archive
- 2026-01-05-add-kanban-realtime-sync
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
PROJECT CONTROL Backend
FastAPI 後端服務
系統需求
必要服務
| 服務 | 版本 | 說明 |
|---|---|---|
| Python | 3.11+ | 執行環境 |
| MySQL | 8.0+ | 主要資料庫 |
| Redis | 6.0+ | Session 存儲 |
Redis Server 安裝
Redis Python 套件 (redis==5.0.1) 僅為客戶端,需另外安裝 Redis Server:
macOS (Homebrew):
brew install redis
brew services start redis
Ubuntu/Debian:
sudo apt update
sudo apt install redis-server
sudo systemctl start redis-server
sudo systemctl enable redis-server
Docker:
docker run -d --name redis -p 6379:6379 redis:alpine
驗證安裝:
redis-cli ping
# 應回傳 PONG
環境建置
# 使用 Conda
conda env create -f environment.yml
conda activate pjctrl
# 或使用 pip
pip install -r requirements.txt
設定
複製並編輯環境變數:
cp .env.example .env
主要設定項目:
MYSQL_*- 資料庫連線REDIS_*- Redis 連線JWT_SECRET_KEY- JWT 簽名密鑰 (生產環境必須更換)AUTH_API_URL- 外部認證 API
執行
# 開發模式
uvicorn app.main:app --reload --port 8000
# 生產模式
uvicorn app.main:app --host 0.0.0.0 --port 8000
資料庫遷移
# 升級至最新版本
alembic upgrade head
# 回滾一個版本
alembic downgrade -1
測試
pytest -v