feat: AI Agent 处理器扩展 + 服药打卡确认链路 + AI 气泡配色微调 + 数据刷新 providers 抽离 + 多端页面细节调整

health_app/lib/providers/data_refresh_providers.dart

@@ -0,0 +1,18 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class DataRefreshSignal extends Notifier<int> {
+  @override
+  int build() => 0;
+
+  void trigger() => state++;
+}
+
+final exerciseDataRefreshSignalProvider =
+    NotifierProvider<DataRefreshSignal, int>(DataRefreshSignal.new);
+
+final medicationDataRefreshSignalProvider =
+    NotifierProvider<DataRefreshSignal, int>(DataRefreshSignal.new);
+
+final dietDataRefreshSignalProvider = NotifierProvider<DataRefreshSignal, int>(
+  DataRefreshSignal.new,
+);