feat(memreader): update prefermem config (#1294)

* feat: add backend for openai

* feat: change memreader for scheaduer

* feat: change singlecube llm

---------

Co-authored-by: harvey_xiang <harvey_xiang@163.com>

Author: fridayL

src/memos/mem_reader/multi_modal_struct.py

@@ -1052,7 +1052,7 @@ def _process_multi_modal_data(
                     process_preference_fine,
                     non_file_url_fast_items,
                     info,
-                    self.llm,
+                    self.general_llm,
                     self.embedder,
                     **kwargs,
                 )
@@ -1131,7 +1131,12 @@ def _process_transfer_multi_modal_data(
             )
             # Add preference memory extraction
             future_pref = executor.submit(
-                process_preference_fine, non_file_url_nodes, info, self.llm, self.embedder, **kwargs
+                process_preference_fine,
+                non_file_url_nodes,
+                info,
+                self.general_llm,
+                self.embedder,
+                **kwargs,
             )
 
             # Collect results