feat: AI 意图路由/草稿存储 + Prompts 模块化 + UI 视觉统一 + AI 同意门 + 资源更新

后端:
- 新增 ai_intent_router 意图路由
- 新增 AiEntryDraft 草稿存储 + EF 迁移
- 新增 Prompts 模块化（global/modules/rag/router）
- AI Agent handlers 扩展

前端:
- 新增 AI 同意门 (ai_consent_gate/provider/details_page)
- HealthMetricVisuals 视觉统一
- 设备扫描/管理页面优化
- agent 插图替换 + 趋势指标图标

配置:
- DeepSeek 模型改 deepseek-v4-flash
- .gitignore 加 artifacts/audit
- build.gradle.kts 签名配置调整

health_app/lib/pages/exercise/exercise_plan_page.dart

@@ -36,6 +36,7 @@ class _EnterpriseExercisePlanPageState
     try {
       await ref.read(exerciseServiceProvider).checkIn(itemId);
       ref.read(exerciseDataRefreshSignalProvider.notifier).trigger();
+      await ref.read(exercisePlansProvider.future);
     } catch (error) {
       if (mounted) {
         AppToast.show(
@@ -149,8 +150,6 @@ class _EnterpriseExercisePlanPageState
                 _TodayExercisePanel(
                   items: todayItems,
                   completed: completedToday,
-                  busyItems: _busyItems,
-                  onCheckIn: _toggleCheckIn,
                 ),
                 const SizedBox(height: 18),
                 for (final phase in CarePlanPhase.values)
@@ -178,15 +177,8 @@ class _EnterpriseExercisePlanPageState
 class _TodayExercisePanel extends StatelessWidget {
   final List<Map<String, dynamic>> items;
   final int completed;
-  final Set<String> busyItems;
-  final Future<void> Function(String) onCheckIn;
 
-  const _TodayExercisePanel({
-    required this.items,
-    required this.completed,
-    required this.busyItems,
-    required this.onCheckIn,
-  });
+  const _TodayExercisePanel({required this.items, required this.completed});
 
   @override
   Widget build(BuildContext context) {
@@ -256,12 +248,6 @@ class _TodayExercisePanel extends StatelessWidget {
                   ],
                 ),
               ),
-              if (next != null)
-                _CompactActionButton(
-                  busy: busyItems.contains(next['id']?.toString() ?? ''),
-                  completed: false,
-                  onPressed: () => onCheckIn(next['id']?.toString() ?? ''),
-                ),
             ],
           ),
           const SizedBox(height: 14),