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

docker/Dockerfile.web

@@ -0,0 +1,31 @@
+# 构建阶段
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# 复制 package.json
+COPY package.json ./
+
+# 安装依赖
+RUN npm install
+
+# 复制源代码
+COPY . .
+
+# 构建
+RUN npm run build
+
+# 生产阶段
+FROM nginx:alpine
+
+# 复制构建产物
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# 复制 nginx 配置
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# 暴露端口
+EXPOSE 80
+
+# 启动 nginx
+CMD ["nginx", "-g", "daemon off;"]