Fix/default add (#333)

* feat: add default processing in mem-reader

* feat: not include embedding

* feat: add logger to detect remove-old-memory error

Author: CaralHsi

src/memos/memories/textual/tree_text_memory/organize/manager.py

@@ -1,3 +1,4 @@
+import traceback
 import uuid
 
 from concurrent.futures import as_completed
@@ -65,15 +66,26 @@ def add(self, memories: list[TextualMemoryItem]) -> list[str]:
                 except Exception as e:
                     logger.exception("Memory processing error: ", exc_info=e)
 
-        self.graph_store.remove_oldest_memory(
-            memory_type="WorkingMemory", keep_latest=self.memory_size["WorkingMemory"]
-        )
-        self.graph_store.remove_oldest_memory(
-            memory_type="LongTermMemory", keep_latest=self.memory_size["LongTermMemory"]
-        )
-        self.graph_store.remove_oldest_memory(
-            memory_type="UserMemory", keep_latest=self.memory_size["UserMemory"]
-        )
+        try:
+            self.graph_store.remove_oldest_memory(
+                memory_type="WorkingMemory", keep_latest=self.memory_size["WorkingMemory"]
+            )
+        except Exception:
+            logger.warning(f"Remove WorkingMemory error: {traceback.format_exc()}")
+
+        try:
+            self.graph_store.remove_oldest_memory(
+                memory_type="LongTermMemory", keep_latest=self.memory_size["LongTermMemory"]
+            )
+        except Exception:
+            logger.warning(f"Remove LongTermMemory error: {traceback.format_exc()}")
+
+        try:
+            self.graph_store.remove_oldest_memory(
+                memory_type="UserMemory", keep_latest=self.memory_size["UserMemory"]
+            )
+        except Exception:
+            logger.warning(f"Remove UserMemory error: {traceback.format_exc()}")
 
         self._refresh_memory_size()
         return added_ids