Merge branch 'dev' into feat/mos-product-api-0726

Author: fridayL

src/memos/mem_os/product.py

@@ -347,7 +347,9 @@ def _get_or_create_user_config(
 
         return self._create_user_config(user_id, user_config)
 
-    def _build_system_prompt(self, user_id: str, memories_all: list[TextualMemoryItem]) -> str:
+    def _build_system_prompt(
+        self, memories_all: list[TextualMemoryItem], base_prompt: str | None = None
+    ) -> str:
         """
         Build custom system prompt for the user with memory references.