Initial commit: Video detection platform with YOLO models

Features:
- Fire detection (YOLOv10)
- Helmet detection (YOLOv8)
- Crowd detection (YOLOv8)
- Smoking detection (YOLOv8)
- Loitering detection (YOLOv8)

Tech Stack:
- Frontend: Vue 3 + Vite + Element Plus
- Backend: FastAPI + WebSocket
- Monorepo: pnpm workspace + Turbo
- Docker support included

apps/server/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "server",
+  "version": "1.0.0",
+  "description": "视频模型检测平台后端服务",
+  "scripts": {
+    "dev": "python main.py",
+    "start": "uvicorn main:app --host 0.0.0.0 --port 8000",
+    "lint": "ruff check .",
+    "test": "pytest tests/",
+    "clean": "rm -rf __pycache__ .pytest_cache"
+  },
+  "dependencies": {},
+  "devDependencies": {},
+  "engines": {
+    "python": ">=3.9"
+  }
+}