fix tests, add SearchResult response type for search

src/basic_memory/api/routers/search_router.py

@@ -5,18 +5,19 @@ from typing import List
 
 from loguru import logger
 from basic_memory.services.search_service import SearchService
-from basic_memory.schemas.search import SearchQuery, SearchResult
+from basic_memory.schemas.search import SearchQuery, SearchResult, SearchResponse
 from basic_memory.deps import get_search_service
 
 router = APIRouter(prefix="/search", tags=["search"])
 
-@router.post("/", response_model=List[SearchResult])
+@router.post("/", response_model=SearchResponse)
 async def search(
     query: SearchQuery,
     search_service: SearchService = Depends(get_search_service)
 ):
     """Search across all knowledge and documents."""
-    return await search_service.search(query)
+    results = await search_service.search(query)
+    return SearchResponse(results=results)
 
 @router.post("/reindex")
 async def reindex(