refactor(ui): 重构消息气泡和进度按钮组件样式

- 统一消息气泡的内边距和圆角样式
- 将circular_progress_button移动到widgets目录
- 优化音乐播放列表视图的代码格式
- 移除平台特定的隐私设置条件判断

lib/modules/agent/views/message_bubble.dart

@@ -46,28 +46,20 @@ class MessageBubble extends GetView<AgentController> {
                   isUser ? CrossAxisAlignment.end : CrossAxisAlignment.start,
               children: [
                 Container(
-                  padding: hasImage
-                      ? (message == '[图片]'
+                  padding: (hasImage && message == '[图片]')
                       ? EdgeInsets.zero
-                          : isUser
-                              ? const EdgeInsets.fromLTRB(
-                                  12, 12, 16, 12) // 用户消息右侧多一点内边距
-                              : const EdgeInsets.fromLTRB(
-                                  16, 12, 12, 12)) // AI消息左侧多一点内边距
-                      : isUser
-                          ? const EdgeInsets.fromLTRB(
-                              12, 12, 16, 12) // 用户消息右侧多一点内边距
-                          : const EdgeInsets.fromLTRB(
-                              16, 12, 12, 12), // AI消息左侧多一点内边距
+                      : const EdgeInsets.all(12),
                   decoration: BoxDecoration(
                     color: _getBubbleColor(context),
-                    borderRadius: BorderRadius.circular(18).copyWith(
+                    borderRadius: BorderRadius.only(
                       topLeft: isUser
                           ? const Radius.circular(18)
                           : const Radius.circular(4),
-                      topRight: !isUser
-                          ? const Radius.circular(18)
-                          : const Radius.circular(4),
+                      topRight: isUser
+                          ? const Radius.circular(4)
+                          : const Radius.circular(18),
+                      bottomLeft: const Radius.circular(18),
+                      bottomRight: const Radius.circular(18),
                     ),
                     boxShadow: [
                       BoxShadow(

lib/modules/agent/views/music_card.dart

@@ -3,7 +3,7 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 import '../../../routes/app_routes.dart';
 import '../controllers/agent_controller.dart';
-import 'circular_progress_button.dart';
+import '../widgets/circular_progress_button.dart';
 
 /// 构建音乐项目
 Widget buildMusicItem(BuildContext context, int id, String name, String url,

lib/modules/music/views/music_playlist_view.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import '../../../core/utils/logger.dart';
 import '../../agent/controllers/agent_controller.dart';
-import '../../agent/views/circular_progress_button.dart';
+import '../../agent/widgets/circular_progress_button.dart';
 
 class MusicPlaylistView extends StatelessWidget {
   const MusicPlaylistView({Key? key}) : super(key: key);
@@ -115,7 +115,9 @@ class MusicPlaylistView extends StatelessWidget {
           );
         }
 
-        final title = currentSong['name'] ?? currentSong['title'] ?? 'unknownSong'.tr; // 未知歌曲
+        final title = currentSong['name'] ??
+            currentSong['title'] ??
+            'unknownSong'.tr; // 未知歌曲
         final artist = currentSong['singer'] ??
             currentSong['sgener'] ??
             currentSong['artist'] ??
@@ -192,7 +194,8 @@ class MusicPlaylistView extends StatelessWidget {
         final id = item["id"] ?? 0;
         final name = item["name"] ?? 'unknownSong'.tr; // 未知歌曲
         final url = item["url"] ?? "";
-        final singer = item["singer"] ?? item["sgener"] ?? 'unknownArtist'.tr; // 未知歌手
+        final singer =
+            item["singer"] ?? item["sgener"] ?? 'unknownArtist'.tr; // 未知歌手
         final image = item["image"] ?? "";
 
         return _buildMusicItem(
@@ -628,8 +631,8 @@ class MusicPlaylistView extends StatelessWidget {
   }
 
   // 播放选中的歌曲
-  Future<void> _playSelectedSong(AgentController controller, Map<String, dynamic> song,
-      List<Map<String, dynamic>> playlist) async {
+  Future<void> _playSelectedSong(AgentController controller,
+      Map<String, dynamic> song, List<Map<String, dynamic>> playlist) async {
     // 防止重复点击导致的状态混乱
     if (controller.isLoadingMusic.value) {
       return;

lib/modules/settings/views/settings_view.dart

@@ -418,7 +418,7 @@ class SettingsView extends GetView<SettingsController> {
                     },
                     isDarkMode: isDarkMode,
                   ),
-                  if (Platform.isAndroid) ...[
+                  // if (Platform.isAndroid) ...[
                   Divider(
                       height: 1,
                       color: isDarkMode
@@ -433,17 +433,16 @@ class SettingsView extends GetView<SettingsController> {
                     iconBgColor: isDarkMode
                         ? Colors.purple[900]!.withOpacity(0.3)
                         : Colors.purple[100]!,
-                      iconColor: isDarkMode
-                          ? Colors.purple[300]!
-                          : Colors.purple[600]!,
+                    iconColor:
+                        isDarkMode ? Colors.purple[300]! : Colors.purple[600]!,
                     titleColor: isDarkMode ? Colors.white : null,
                     subtitleColor: isDarkMode ? Colors.white70 : null,
                     onTap: () {
                       AppSettings.openAppSettings();
                     },
                     isDarkMode: isDarkMode,
-                    )
-                  ],
+                  ),
+                  // ],
 
                   Divider(
                       height: 1,
@@ -599,7 +598,7 @@ class SettingsView extends GetView<SettingsController> {
                             ? Colors.white.withOpacity(0.1)
                             : Colors.grey[200]),
 
-                    // 添加权限管理设置项
+                    // 权限管理设置项
                     _buildSimpleNavigationSetting(
                       title: 'permissionManagement'.tr, // 权限管理
                       subtitle: 'permissionManagementInfo'.tr, // 管理应用权限设置