feat:初始化工程

router.py

@@ -0,0 +1,32 @@
+import uuid
+
+from fastapi import APIRouter
+from fastapi.responses import StreamingResponse
+
+from model import ChatRequest
+from service import get_messages, clear_messages, search_recipes
+
+router = APIRouter()
+
+
+@router.post("/chat/stream")
+async def chat_endpoint(request: ChatRequest):
+    """流式对话"""
+    return StreamingResponse(
+        search_recipes(request.message, str(uuid.uuid4())),
+        media_type="text/event-stream"
+    )
+
+
+@router.get("/chat/messages")
+async def get_chat_messages(thread_id: str):
+    """获取历史消息"""
+    messages = get_messages(thread_id)
+    return {"messages": messages}
+
+
+@router.delete("/chat/messages")
+async def clear_chat_messages(thread_id: str):
+    """清空历史消息"""
+    clear_messages(thread_id)
+    return {"success": True}