refactor: restructure to core/ + ui/ with multi-threaded backend

trulymem_entry.py

@@ -1,47 +1,45 @@
 #!/usr/bin/env python3
-# SPDX-License-Identifier: GPL-3.0-or-later
-# Copyright (C) 2026 jianf
-
-"""
-TrulyMEM 独立入口文件
-用于打包为可执行文件
-"""
-
 import sys
 import os
 from pathlib import Path
 
-# 确保工作目录正确
 if getattr(sys, 'frozen', False):
-    # 打包后的可执行文件
     application_path = Path(sys.executable).parent
 else:
-    # 开发环境
     application_path = Path(__file__).parent
 
-# 切换到应用目录
 os.chdir(application_path)
 
-# 添加项目路径
 if str(application_path) not in sys.path:
     sys.path.insert(0, str(application_path))
 
-# 导入并运行应用
-from graph_memory_tui.app import GraphMemoryApp
+from core import BackendServer
+from ui import GraphMemoryApp, AppConfig
+
 
 def main():
-    """主函数"""
+    backend_server = BackendServer(db_path="graph_memory.db", use_embedded_db=True)
+    
+    try:
+        config = AppConfig.from_env()
+        backend_server.start(api_key=config.api_key, base_url=config.base_url)
+    except Exception as e:
+        print(f"后端启动失败: {e}")
+    
+    app = GraphMemoryApp(backend_server=backend_server)
+    
     try:
-        app = GraphMemoryApp()
         app.run()
     except KeyboardInterrupt:
         print("\n应用已退出")
-        sys.exit(0)
     except Exception as e:
         print(f"应用启动失败: {e}")
         import traceback
         traceback.print_exc()
-        sys.exit(1)
+    finally:
+        backend_server.shutdown()
+        sys.exit(0)
+
 
 if __name__ == "__main__":
-    main()
+    main()