feat: add sleep time

Author: harvey_xiang

src/memos/api/routers/server_router.py

@@ -1,4 +1,5 @@
 import os
+import time
 import traceback
 
 from typing import Any
@@ -202,6 +203,7 @@ def search_memories(search_req: APISearchRequest):
         session_id=search_req.session_id or "default_session",
     )
     logger.info(f"Search user_id is: {user_context.mem_cube_id}")
+    time.sleep(6)
     memories_result: MOSSearchResult = {
         "text_mem": [],
         "act_mem": [],
@@ -254,6 +256,7 @@ def add_memories(add_req: APIADDRequest):
         mem_cube_id=add_req.mem_cube_id,
         session_id=add_req.session_id or "default_session",
     )
+    time.sleep(6)
     naive_mem_cube = _create_naive_mem_cube()
     target_session_id = add_req.session_id
     if not target_session_id: