feat(app): 多页面动态化 — 搜索/资料/教师/贴纸库/模板/日历

- SearchPage: 热搜词从日记标签频率动态生成 + 模板搜索网格
- ProfilePage: 成就徽章从 AchievementBloc 动态加载 + 头像首字母
- TeacherPage: 班级码改为对话框展示 (班级名+码+人数)
- StickerLibraryPage: 分类从 API 动态合并 + 精选包卡片动态化
- TemplateGalleryPage: 适配动态数据
- ClassPage: 微调
- HomePage: 路由适配
- CalendarBloc: 新增测试
- AppRouter: 路由更新

app/lib/features/profile/views/profile_page.dart

@@ -10,6 +10,8 @@ import 'package:nuanji_app/features/auth/bloc/auth_bloc.dart';
 import 'package:nuanji_app/features/profile/bloc/settings_bloc.dart';
 import 'package:nuanji_app/data/models/user.dart';
 import 'package:nuanji_app/data/repositories/journal_repository.dart';
+import 'package:nuanji_app/features/achievement/bloc/achievement_bloc.dart';
+import 'package:nuanji_app/data/remote/api_client.dart';
 
 /// 个人中心页面
 class ProfilePage extends StatelessWidget {
@@ -60,7 +62,10 @@ class ProfilePage extends StatelessWidget {
                       ),
                     ),
                     alignment: Alignment.center,
-                    child: const Text('😊', style: TextStyle(fontSize: 36)),
+                    child: Text(
+                      displayName.isNotEmpty ? displayName[0] : '😊',
+                      style: const TextStyle(fontSize: 36, color: Colors.white),
+                    ),
                   ),
                   const SizedBox(height: 12),
                   // 用户名
@@ -91,7 +96,7 @@ class ProfilePage extends StatelessWidget {
           _LiveStatsBar(borderSoft: borderSoft, colorScheme: colorScheme),
           const SizedBox(height: 20),
 
-          // ---- 成就徽章 ----
+          // ---- 成就徽章（动态加载） ----
           Align(
             alignment: Alignment.centerLeft,
             child: Text('成就徽章', style: theme.textTheme.titleMedium?.copyWith(
@@ -101,21 +106,11 @@ class ProfilePage extends StatelessWidget {
           const SizedBox(height: 12),
           SizedBox(
             height: 100,
-            child: ListView(
-              scrollDirection: Axis.horizontal,
-              children: [
-                _BadgeItem(emoji: '📝', name: '初出茅庐', bgColor: accentSoft, locked: false),
-                const SizedBox(width: 12),
-                _BadgeItem(emoji: '🔥', name: '七日连续', bgColor: tertiarySoft, locked: false),
-                const SizedBox(width: 12),
-                _BadgeItem(emoji: '🎨', name: '装饰达人', bgColor: roseSoft, locked: false),
-                const SizedBox(width: 12),
-                _BadgeItem(emoji: '🌟', name: '人气之星', bgColor: secondarySoft, locked: true),
-                const SizedBox(width: 12),
-                _BadgeItem(emoji: '🏆', name: '写作高手', bgColor: accentSoft, locked: true),
-                const SizedBox(width: 12),
-                _BadgeItem(emoji: '💎', name: '全能王', bgColor: tertiarySoft, locked: true),
-              ],
+            child: _AchievementBadges(
+              accentSoft: accentSoft,
+              tertiarySoft: tertiarySoft,
+              roseSoft: roseSoft,
+              secondarySoft: secondarySoft,
             ),
           ),
           const SizedBox(height: 20),
@@ -430,9 +425,79 @@ class _LiveStatsBarState extends State<_LiveStatsBar> {
           VerticalDivider(width: 1, indent: 4, endIndent: 4, color: widget.borderSoft),
           _StatItem(label: '本月日记', value: '$_monthCount', valueColor: widget.colorScheme.onSurface),
           VerticalDivider(width: 1, indent: 4, endIndent: 4, color: widget.borderSoft),
-          _StatItem(label: '贴纸数', value: '--', valueColor: widget.colorScheme.onSurface),
+          _StatItem(label: '贴纸数', value: _totalCount > 0 ? '$_totalCount' : '0', valueColor: widget.colorScheme.onSurface),
         ],
       ),
     );
   }
 }
+
+/// 成就徽章动态组件 — 从 AchievementBloc 加载真实数据
+class _AchievementBadges extends StatefulWidget {
+  const _AchievementBadges({
+    required this.accentSoft,
+    required this.tertiarySoft,
+    required this.roseSoft,
+    required this.secondarySoft,
+  });
+
+  final Color accentSoft;
+  final Color tertiarySoft;
+  final Color roseSoft;
+  final Color secondarySoft;
+
+  @override
+  State<_AchievementBadges> createState() => _AchievementBadgesState();
+}
+
+class _AchievementBadgesState extends State<_AchievementBadges> {
+  late final AchievementBloc _bloc;
+  List<Achievement> _achievements = [];
+
+  @override
+  void initState() {
+    super.initState();
+    _bloc = AchievementBloc(api: context.read<ApiClient>());
+    _bloc.load();
+    _bloc.addListener(_onUpdate);
+  }
+
+  void _onUpdate() {
+    if (mounted) {
+      setState(() {
+        _achievements = _bloc.state.achievements;
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    _bloc.removeListener(_onUpdate);
+    _bloc.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (_achievements.isEmpty) {
+      return const Center(child: Text('暂无成就', style: TextStyle(fontSize: 13)));
+    }
+
+    final bgColors = [widget.accentSoft, widget.tertiarySoft, widget.roseSoft, widget.secondarySoft];
+
+    return ListView.separated(
+      scrollDirection: Axis.horizontal,
+      itemCount: _achievements.length,
+      separatorBuilder: (_, __) => const SizedBox(width: 12),
+      itemBuilder: (context, index) {
+        final a = _achievements[index];
+        return _BadgeItem(
+          emoji: a.icon ?? '🏆',
+          name: a.name,
+          bgColor: bgColors[index % bgColors.length],
+          locked: !a.isUnlocked,
+        );
+      },
+    );
+  }
+}