fix: Combined search endpoint (#1379)

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cognee/api/v1/search/routers/get_search_router.py

@@ -1,12 +1,12 @@
 from uuid import UUID
-from typing import Optional
+from typing import Optional, Union, List
 from datetime import datetime
 from pydantic import Field
 from fastapi import Depends, APIRouter
 from fastapi.responses import JSONResponse
 from fastapi.encoders import jsonable_encoder
 
-from cognee.modules.search.types import SearchType
+from cognee.modules.search.types import SearchType, SearchResult, CombinedSearchResult
 from cognee.api.DTO import InDTO, OutDTO
 from cognee.modules.users.exceptions.exceptions import PermissionDeniedError
 from cognee.modules.users.models import User
@@ -73,7 +73,7 @@ def get_search_router() -> APIRouter:
         except Exception as error:
             return JSONResponse(status_code=500, content={"error": str(error)})
 
-    @router.post("", response_model=list)
+    @router.post("", response_model=Union[List[SearchResult], CombinedSearchResult])
     async def search(payload: SearchPayloadDTO, user: User = Depends(get_authenticated_user)):
         """
         Search for nodes in the graph database.