feat: Add vector database clearing

api/routes/vector_db.py

@@ -0,0 +1,19 @@
+from fastapi import APIRouter, Depends, HTTPException
+from services.auth import get_current_active_user
+from models.database import UserAccount
+from services.vector_db import VectorDBService
+from api.response import success
+
+router = APIRouter(prefix="/api/vector-db", tags=["vector-db"])
+
+
+@router.post("/clear-all", summary="清空向量数据库")
+async def clear_vector_db(user: UserAccount = Depends(get_current_active_user)):
+    if user.username != 'admin':
+        raise HTTPException(status_code=403, detail="仅管理员可操作")
+    try:
+        service = VectorDBService()
+        service.clear_all_data()
+        return success(msg="向量数据库已清空")
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))