fix ltm init log

Author: yaozheng-fang

veadk/memory/long_term_memory.py

@@ -98,7 +98,7 @@ def model_post_init(self, __context: Any) -> None:
             self._backend = self.backend
             self.index = self._backend.index
             logger.info(
-                f"Initialized long term memory with provided backend instance {self._backend.__class__.__name__}"
+                f"Initialized long term memory with provided backend instance {self._backend.__class__.__name__}, index={self.index}"
             )
             return
 
@@ -124,6 +124,10 @@ def model_post_init(self, __context: Any) -> None:
 
         self._backend = _get_backend_cls(self.backend)(index=self.index)
 
+        logger.info(
+            f"Initialized long term memory with provided backend instance {self._backend.__class__.__name__}, index={self.index}"
+        )
+
     def _filter_and_convert_events(self, events: list[Event]) -> list[str]:
         final_events = []
         for event in events: