fix: 修复UI层导入问题和历史加载逻辑

TrulyMEM.spec

@@ -0,0 +1,45 @@
+# -*- mode: python ; coding: utf-8 -*-
+from PyInstaller.utils.hooks import collect_all
+
+datas = [('ui/styles', 'ui/styles'), ('core/prompts/templates', 'core/prompts/templates')]
+binaries = []
+hiddenimports = ['textual', 'textual.app', 'textual.widgets', 'textual.css', 'openai', 'openai._client', 'neo4j', 'sqlite3', 'core', 'core.embedded_db', 'core.graph_client', 'core.tool_executor', 'core.tool_limiter', 'core.tools', 'core.tools.memory_tools', 'core.prompts', 'core.prompts.prompt_manager', 'ui', 'ui.app', 'ui.models', 'ui.models.message', 'ui.models.config', 'ui.models.log_entry', 'ui.widgets', 'ui.handlers', 'ui.services', 'ui.services.config_manager', 'ui.services.config_service']
+tmp_ret = collect_all('textual')
+datas += tmp_ret[0]; binaries += tmp_ret[1]; hiddenimports += tmp_ret[2]
+
+
+a = Analysis(
+    ['trulymem_entry.py'],
+    pathex=[],
+    binaries=binaries,
+    datas=datas,
+    hiddenimports=hiddenimports,
+    hookspath=[],
+    hooksconfig={},
+    runtime_hooks=[],
+    excludes=[],
+    noarchive=False,
+    optimize=0,
+)
+pyz = PYZ(a.pure)
+
+exe = EXE(
+    pyz,
+    a.scripts,
+    a.binaries,
+    a.datas,
+    [],
+    name='TrulyMEM',
+    debug=False,
+    bootloader_ignore_signals=False,
+    strip=False,
+    upx=True,
+    upx_exclude=[],
+    runtime_tmpdir=None,
+    console=True,
+    disable_windowed_traceback=False,
+    argv_emulation=False,
+    target_arch=None,
+    codesign_identity=None,
+    entitlements_file=None,
+)

ui/app.py

@@ -59,6 +59,7 @@ class GraphMemoryApp(App):
 
     def on_mount(self) -> None:
         from .widgets.status_bar import StatusBar
+        from .widgets.message_history import MessageHistory
         status_bar = self.query_one(StatusBar)
         
         if not self._backend_server:
@@ -74,17 +75,15 @@ class GraphMemoryApp(App):
         self._api_configured = data.get("config", {}).get("api_key", "") != ""
         status_bar.set_api_status(self._api_configured)
         
+        history = self.query_one(MessageHistory)
+        
         if self._api_configured:
-            result = self._backend_client.get_history()
+            chat_history = self._backend_client.get_history()
-            if result.get("success"):
+            if chat_history:
-                history_data = result.get("data", {})
-                chat_history = history_data.get("history", [])
-                history = self.query_one(MessageHistory)
                 for msg in chat_history:
                     message = Message(role=msg["role"], content=msg["content"])
                     history.add_message(message)
         
-        history = self.query_one(MessageHistory)
         welcome = Message(
             role="assistant",
             content=f"系统就绪\nAPI Key: {'已配置' if self._api_configured else '未配置'}\n\n输入消息开始对话"