AI 接入 V1.0

UI更新

lib/pages/bill/widgets/budget_card.dart

@@ -3,6 +3,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../../../models/budget.dart';
 import '../../../utils/amount_util.dart';
+import '../../../widgets/cute_icon.dart';
 import '../../../widgets/donut_chart.dart';
 import '../../../widgets/state_views.dart';
 
@@ -30,7 +31,7 @@ class BudgetCard extends StatelessWidget {
 
   Widget _noBudget() {
     return const EmptyView(
-      icon: '🎯',
+      icon: 'target',
       title: '本月未设置预算',
       tip: '可在「我的 → 预算设置」中设置',
       padding: EdgeInsets.symmetric(vertical: 20),
@@ -110,7 +111,9 @@ class BudgetCard extends StatelessWidget {
           child: Row(
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
-              const Text('💰 日均可用 ', style: TextStyle(fontSize: 13, color: Color(0xFF6D4C41))),
+              const CuteIcon('target', size: 15),
+              const SizedBox(width: 5),
+              const Text('日均可用 ', style: TextStyle(fontSize: 13, color: Color(0xFF6D4C41))),
               Text(
                 '¥${formatAmount(info.remainingDaily)}',
                 style: const TextStyle(