refactor(explore): 移除未使用的导入并更新AI功能路由

移除`explore_view.dart`中未使用的`dart:ui`导入，并更新`explore_controller.dart`中的AI功能路由，将`chat`路由更改为`agent`路由，以提高代码清晰度和一致性。

lib/modules/explore/controllers/explore_controller.dart

@@ -54,19 +54,19 @@ class ExploreController extends GetxController {
   // AI功能列表
   final List<AIFeature> aiFeatures = [
     AIFeature(
-      title: 'allRoundAssistant'.tr, // 全能助理
+      title: 'aiAssistant'.tr, // AI全能助手
-      description: 'allRoundAssistantInfo'.tr, // 帮你解决各类问题
+      description: 'aiAssistantInfo'.tr, // 帮你解决各类问题
       icon: Icons.assistant,
       startColor: const Color(0xFF0066CC),
       endColor: const Color(0xFF5E5CE6),
       iconBgColor: const Color(0xFF0066CC).withOpacity(0.2),
       iconColor: const Color(0xFF0066CC),
       agentId: 'personal_assistant',
-      targetRoute: Routes.chat,
+      targetRoute: Routes.agent,
     ),
     AIFeature(
-      title: 'simultaneousTranslation'.tr, // 同声翻译
+      title: 'simultaneousInterpretation'.tr, // 同声翻译
-      description: 'simultaneousTranslationInfo'.tr, // 实时翻译80+种语言
+      description: 'simultaneousInterpretationInfo'.tr, // 实时翻译80+种语言
       icon: Icons.translate,
       startColor: const Color(0xFF4CAF50),
       endColor: const Color(0xFF009688),
@@ -175,6 +175,8 @@ class ExploreController extends GetxController {
     } else if (feature.targetRoute == Routes.translation) {
       // 跳转到翻译页面
       Get.toNamed(feature.targetRoute);
+    } else if (feature.targetRoute == Routes.agent) {
+      Get.toNamed(feature.targetRoute);
     }
   }
 

lib/modules/explore/views/explore_view.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'dart:ui';
+//import 'dart:ui';
 import '../controllers/explore_controller.dart';
 import '../../../core/widgets/common_bottom_nav.dart';