✨ 優化GUI配置管理統一接口，避免保存配置衝突

src/mcp_feedback_enhanced/gui/tabs/settings_tab.py

@@ -462,9 +462,11 @@ class SettingsTab(QWidget):
         
         # 檢查是否真的有變更
         if new_combined_mode != self.combined_mode or new_orientation != self.layout_orientation:
-            # 先保存配置
-            self.config_manager.set_layout_mode(new_combined_mode)
-            self.config_manager.set_layout_orientation(new_orientation)
+            # 批量保存配置（避免多次寫入文件）
+            self.config_manager.update_partial_config({
+                'combined_mode': new_combined_mode,
+                'layout_orientation': new_orientation
+            })
             
             # 更新內部狀態
             self.combined_mode = new_combined_mode

src/mcp_feedback_enhanced/gui/window/config_manager.py

@@ -60,13 +60,37 @@ class ConfigManager:
         self._config_cache[key] = value
         self._save_config()
     
+    def update_partial_config(self, updates: Dict[str, Any]) -> None:
+        """批量更新配置項目，只保存指定的設定而不影響其他參數"""
+        try:
+            # 重新載入當前磁碟上的配置，確保我們有最新的數據
+            current_config = {}
+            if self._config_file.exists():
+                with open(self._config_file, 'r', encoding='utf-8') as f:
+                    current_config = json.load(f)
+            
+            # 只更新指定的項目
+            for key, value in updates.items():
+                current_config[key] = value
+                # 同時更新內存緩存
+                self._config_cache[key] = value
+            
+            # 保存到文件
+            with open(self._config_file, 'w', encoding='utf-8') as f:
+                json.dump(current_config, f, ensure_ascii=False, indent=2)
+            
+            debug_log(f"部分配置已更新: {list(updates.keys())}")
+            
+        except Exception as e:
+            debug_log(f"更新部分配置失敗: {e}")
+    
     def get_layout_mode(self) -> bool:
         """獲取佈局模式（False=分離模式，True=合併模式）"""
         return self.get('combined_mode', False)
     
     def set_layout_mode(self, combined_mode: bool) -> None:
         """設置佈局模式"""
-        self.set('combined_mode', combined_mode)
+        self.update_partial_config({'combined_mode': combined_mode})
         debug_log(f"佈局模式設置: {'合併模式' if combined_mode else '分離模式'}")
     
     def get_layout_orientation(self) -> str:
@@ -77,7 +101,7 @@ class ConfigManager:
         """設置佈局方向"""
         if orientation not in ['vertical', 'horizontal']:
             orientation = 'vertical'
-        self.set('layout_orientation', orientation)
+        self.update_partial_config({'layout_orientation': orientation})
         debug_log(f"佈局方向設置: {'垂直（上下）' if orientation == 'vertical' else '水平（左右）'}")
     
     def get_language(self) -> str:
@@ -86,7 +110,7 @@ class ConfigManager:
     
     def set_language(self, language: str) -> None:
         """設置語言"""
-        self.set('language', language)
+        self.update_partial_config({'language': language})
         debug_log(f"語言設置: {language}")
     
     def get_splitter_sizes(self, splitter_name: str) -> list:
@@ -98,7 +122,7 @@ class ConfigManager:
     
     def set_splitter_sizes(self, splitter_name: str, sizes: list) -> None:
         """設置分割器尺寸"""
-        self.set(f'splitter_sizes.{splitter_name}', sizes)
+        self.update_partial_config({f'splitter_sizes.{splitter_name}': sizes})
         debug_log(f"保存分割器 {splitter_name} 尺寸: {sizes}")
     
     def get_window_geometry(self) -> dict:
@@ -109,8 +133,8 @@ class ConfigManager:
         return geometry
     
     def set_window_geometry(self, geometry: dict) -> None:
-        """設置窗口幾何信息"""
-        self.set('window_geometry', geometry)
+        """設置窗口幾何信息（使用部分更新避免覆蓋其他設定）"""
+        self.update_partial_config({'window_geometry': geometry})
         debug_log(f"保存窗口幾何信息: {geometry}")
     
     def get_always_center_window(self) -> bool:
@@ -119,7 +143,7 @@ class ConfigManager:
     
     def set_always_center_window(self, always_center: bool) -> None:
         """設置總是在主螢幕中心顯示視窗"""
-        self.set('always_center_window', always_center)
+        self.update_partial_config({'always_center_window': always_center})
         debug_log(f"視窗定位設置: {'總是中心顯示' if always_center else '智能定位'}")
     
     def reset_settings(self) -> None: