底部tab的灵活可控

lib/features/main_container/presentation/pages/custom_main_container.dart

@@ -0,0 +1,69 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:maibu_satabot_v2/features/ai/presentation/pages/ai_page.dart';
+import 'package:maibu_satabot_v2/features/home/presentation/pages/home_page.dart';
+import 'package:maibu_satabot_v2/features/my/presentation/pages/my_page.dart';
+import 'package:maibu_satabot_v2/features/main_container/presentation/bloc/tab_config_cubit.dart';
+import 'package:maibu_satabot_v2/features/main_container/presentation/widgets/custom_bottom_nav_bar.dart';
+
+import '../../../waring_center/presentation/pages/warning_center_page.dart';
+
+class CustomMainContainer extends StatefulWidget {
+  const CustomMainContainer({super.key});
+
+  @override
+  State<CustomMainContainer> createState() => _CustomMainContainerState();
+}
+
+class _CustomMainContainerState extends State<CustomMainContainer> with AutomaticKeepAliveClientMixin {
+  @override
+  bool get wantKeepAlive => true; // 保持页面状态
+
+  @override
+  Widget build(BuildContext context) {
+    super.build(context);
+    
+    debugPrint('🔍 [CustomMainContainer] build 被调用');
+    
+    return BlocBuilder<TabConfigCubit, TabConfigState>(
+      builder: (context, state) {
+        final enabledTabs = state.config.enabledItems;
+        final currentIndex = state.selectedIndex;
+        
+        debugPrint('🔍 [CustomMainContainer] enabledTabs=${enabledTabs.length}, currentIndex=$currentIndex');
+        debugPrint('🔍 [CustomMainContainer] enabledTabs IDs=${enabledTabs.map((e) => e.id).toList()}');
+        
+        if (enabledTabs.isEmpty) {
+          return const Scaffold(
+            body: Center(child: Text('请至少启用一个Tab')),
+          );
+        }
+
+        return Scaffold(
+          body: IndexedStack(
+            index: currentIndex,
+            children: _buildPages(enabledTabs),
+          ),
+          bottomNavigationBar: const CustomBottomNavBar(),
+        );
+      },
+    );
+  }
+
+  List<Widget> _buildPages(List<dynamic> enabledTabs) {
+    return enabledTabs.map((tab) {
+      switch (tab.id) {
+        case 'home':
+          return const HomePage();
+        case 'ai':
+          return const AiPage();
+        case 'warning':
+          return const WarningCenterPage();
+        case 'my':
+          return const MyPage();
+        default:
+          return const HomePage();
+      }
+    }).toList();
+  }
+}