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/api/models.py

@@ -0,0 +1,28 @@
+from fastapi import APIRouter
+from models.schemas import ModelInfo
+
+router = APIRouter()
+
+@router.get("/models", response_model=list[ModelInfo])
+async def get_models():
+    from main import model_service
+    models = model_service.get_available_models()
+    return models
+
+@router.get("/models/{model_id}", response_model=ModelInfo)
+async def get_model(model_id: str):
+    from main import model_service
+    models = model_service.get_available_models()
+    for model in models:
+        if model['id'] == model_id:
+            return model
+    return None
+
+@router.post("/models/{model_id}/load")
+async def load_model(model_id: str):
+    from main import model_service
+    model = await model_service.load_model(model_id)
+    if model:
+        return {"success": True, "message": f"模型加载成功: {model_id}"}
+    else:
+        return {"success": False, "message": f"模型加载失败: {model_id}"}