Feat(Log): Add diagnostic log to /product/add endpoint

Adds an INFO level diagnostic log message at the beginning of the
create_memory function to help verify code deployment.

Author: glin1993@outlook.com

src/memos/api/routers/product_router.py

@@ -188,6 +188,7 @@ def get_all_memories(memory_req: GetMemoryPlaygroundRequest):
 @router.post("/add", summary="add a new memory", response_model=SimpleResponse)
 def create_memory(memory_req: MemoryCreateRequest):
     """Create a new memory for a specific user."""
+    logger.info("DIAGNOSTIC: /product/add endpoint called. This confirms the new code is deployed.")
     # Initialize status_tracker outside try block to avoid NameError in except blocks
     status_tracker = None
 

src/memos/mem_scheduler/general_scheduler.py

@@ -636,6 +636,7 @@ def _process_memories_with_reader(
                                 }
                             )
                         if kb_log_content:
+                            logger.info("DIAGNOSTIC: Preparing to create event log for KB update in _process_memories_with_reader.")
                             event = self.create_event_log(
                                 label="knowledgeBaseUpdate",
                                 from_memory_type=USER_INPUT_TYPE,