refactor(探索): 重构探索页面布局并移除无用代码

- 将商务会议助手改为单行显示并移除用量统计区块
- 删除探索控制器中未使用的aiFeaturesWide列表和相关方法
- 统一使用onAIFeatureTap方法处理点击事件

lib/modules/explore/controllers/explore_controller.dart

@@ -76,20 +76,6 @@ class ExploreController extends GetxController {
     )
   ];
 
-  final List<AIFeature> aiFeaturesWide = [
-    AIFeature(
-      title: 'conferenceAssistant'.tr, // 商务会议助手
-      description: 'conferenceAssistantInfo'.tr, // 实时记录会议纪要，多语言翻译
-      icon: Icons.people,
-      startColor: const Color(0xFFab47bc),
-      endColor: const Color(0xFFec407a),
-      iconBgColor: const Color(0xFFd81b60).withOpacity(0.2),
-      iconColor: const Color(0xFFd81b60),
-      agentId: 'meeting_assistant',
-      targetRoute: Routes.meeting,
-    ),
-  ];
-
   // 点击AI功能
   void onAIFeatureTap(int index) {
     if (index < 0 || index >= aiFeatures.length) return;
@@ -100,36 +86,4 @@ class ExploreController extends GetxController {
     // 根据目标路由进行跳转
     Get.toNamed(feature.targetRoute);
   }
-
-  // 点击AI功能（宽版本）
-  void onAIFeatureWideTap(int index) {
-    if (index < 0 || index >= aiFeaturesWide.length) return;
-
-    final feature = aiFeaturesWide[index];
-
-    // 直接根据目标路由进行跳转
-    if (feature.targetRoute == Routes.meeting) {
-      Get.toNamed(feature.targetRoute);
-    } else if (feature.targetRoute == Routes.chat) {
-      final agent = AgentProvider.getAgentById(feature.agentId);
-      if (agent != null) {
-        Get.toNamed(feature.targetRoute, arguments: {
-          'agentId': agent.id,
-          'agentName': agent.name,
-          'agentVoice': agent.voice,
-          'agentAvatar': agent.avatarUrl,
-          'agentSubtitle': agent.description,
-          'systemPrompt': agent.systemPrompt,
-          'welcomeMessage': agent.welcomeMessage,
-        });
-      }
-    } else if (feature.targetRoute.isNotEmpty) {
-      Get.toNamed(feature.targetRoute);
-    }
-  }
-
-  // 跳转到用量统计页面
-  void goToUsageStats() {
-    Get.toNamed(Routes.usageStats);
-  }
 }

lib/modules/explore/views/explore_view.dart

@@ -261,35 +261,14 @@ class ExploreView extends GetView<ExploreController> {
 
             SizedBox(height: 16.h),
 
-            // 下层：商务会议助手+用量统计
-            Row(
-              children: [
-                // 左下角：商务会议助手
-                Expanded(
-                  child: AspectRatio(
-                    aspectRatio: 1.0, // 正方形
-                    child: _buildAIFeatureItem(
-                      controller.aiFeatures[2],
-                      2,
-                      isDarkMode,
-                    ),
-                  ),
-                ),
-
-                SizedBox(width: 16.w),
-
-                // 右下角：用量统计
-                Expanded(
-                  child: AspectRatio(
-                    aspectRatio: 1.0, // 正方形
-                    child: _buildAIFeatureItem(
-                      controller.aiFeatures[3],
-                      3,
-                      isDarkMode,
-                    ),
-                  ),
-                ),
-              ],
+            // 下层：商务会议助手(占据一行)
+            AspectRatio(
+              aspectRatio: 2.0, // 正方形
+              child: _buildAIFeatureItemWide(
+                controller.aiFeatures[2],
+                2,
+                isDarkMode,
+              ),
             ),
           ],
         ),
@@ -384,7 +363,7 @@ class ExploreView extends GetView<ExploreController> {
   Widget _buildAIFeatureItemWide(
       AIFeature feature, int index, bool isDarkMode) {
     return GestureDetector(
-      onTap: () => controller.onAIFeatureWideTap(index),
+      onTap: () => controller.onAIFeatureTap(index),
       child: Container(
         padding: EdgeInsets.all(20.w),
         decoration: BoxDecoration(

lib/modules/settings/views/settings_view.dart

@@ -290,14 +290,14 @@ class SettingsView extends GetView<SettingsController> {
                 onTap: () => Get.toNamed(Routes.goodsmeet),
               ),
               _buildCategoryItem(
-                icon: Icons.cloud,
-                label: 'cloudSync'.tr, //云端同步
+                icon: Icons.analytics_outlined,
+                label: 'usageStats'.tr, //用量统计
                 iconBg: isDarkMode
                     ? Colors.teal[900]!.withOpacity(0.3)
                     : Colors.teal[100]!,
                 iconColor: isDarkMode ? Colors.teal[300]! : Colors.teal[600]!,
                 textColor: isDarkMode ? Colors.white : Colors.black87,
-                onTap: () => {},
+                onTap: () => Get.toNamed(Routes.usageStats),
               ),
             ],
           ),