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

package.json

@@ -0,0 +1,26 @@
+{
+  "name": "jc-video-web",
+  "version": "1.0.0",
+  "description": "视频模型检测平台 - 基于YOLO的实时视频检测",
+  "private": true,
+  "scripts": {
+    "dev": "turbo run dev",
+    "dev:web": "turbo run dev --filter=web",
+    "dev:server": "turbo run dev --filter=server",
+    "build": "turbo run build",
+    "build:web": "turbo run build --filter=web",
+    "test": "turbo run test",
+    "lint": "turbo run lint",
+    "clean": "turbo run clean && rm -rf node_modules",
+    "setup": "pnpm install && pnpm run setup:models",
+    "setup:models": "bash scripts/setup-models.sh"
+  },
+  "devDependencies": {
+    "turbo": "^2.0.0"
+  },
+  "packageManager": "pnpm@9.0.0",
+  "engines": {
+    "node": ">=18.0.0",
+    "pnpm": ">=9.0.0"
+  }
+}