Initial commit: 浼佷笟寰俊 AI 鏈哄櫒浜哄姪鐞?MVP

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/routers/knowledge.py

@@ -0,0 +1,12 @@
+"""知识库上传占位：先落本地卷/对象存储占位。"""
+from fastapi import APIRouter, UploadFile
+from app.logging_config import get_trace_id
+
+router = APIRouter()
+
+
+@router.post("/upload")
+async def upload_file(file: UploadFile):
+    """上传知识库文件，占位落盘。"""
+    # 占位：保存到 backend/uploads 或配置的存储
+    return {"code": 0, "message": "ok", "data": {"filename": file.filename}, "trace_id": get_trace_id()}