fix: 移除编辑时自动生成标题的逻辑

只在手动点击'重新生成标题'按钮时才触发标题生成

app.py

@@ -167,18 +167,9 @@ def api_update_note(note_id):
     
     now = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
     
-    # 判断是否需要生成新标题
-    old_content = note.get('content', '')
-    need_new_title = (not note['title'] or note['title'] == '新记录' or 
-                      len(old_content) < 50 and len(content) >= 50)
-    
     note['content'] = content
     note['updated_at'] = now
     
-    # 如果内容变化较大，异步生成新标题
-    if need_new_title and len(content) >= 20:
-        threading.Thread(target=generate_title_async, args=(note_id, content)).start()
-    
     save_notes(notes)
     
     return jsonify(note)