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/chat_provider.dart

@@ -5,10 +5,27 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'auth_provider.dart';
 import 'conversation_history_provider.dart';
 import 'data_providers.dart';
+import 'data_refresh_providers.dart';
 import '../utils/sse_handler.dart';
 
 enum MessageType { text, dataConfirm, agentWelcome, taskCard }
 
+List<ChatMessage> prependTodayHealthCard(
+  List<ChatMessage> messages, {
+  DateTime? now,
+}) {
+  return [
+    ChatMessage(
+      id: 'task_card',
+      role: 'assistant',
+      content: '',
+      createdAt: now ?? DateTime.now(),
+      type: MessageType.taskCard,
+    ),
+    ...messages,
+  ];
+}
+
 class ChatMessage {
   final String id;
   final String role;
@@ -133,10 +150,9 @@ class ChatNotifier extends Notifier<ChatState> {
 
     msgs[i].confirmed = true;
     state = state.copyWith(messages: msgs);
-    ref.invalidate(medicationListProvider);
-    ref.invalidate(medicationReminderProvider);
+    ref.read(medicationDataRefreshSignalProvider.notifier).trigger();
     ref.invalidate(latestHealthProvider);
-    ref.invalidate(currentExercisePlanProvider);
+    ref.read(exerciseDataRefreshSignalProvider.notifier).trigger();
     return null;
   }
 
@@ -161,18 +177,7 @@ class ChatNotifier extends Notifier<ChatState> {
 
   void insertTaskCard() {
     if (state.messages.any((m) => m.type == MessageType.taskCard)) return;
-    state = state.copyWith(
-      messages: [
-        ChatMessage(
-          id: 'task_card',
-          role: 'assistant',
-          content: '',
-          createdAt: DateTime.now(),
-          type: MessageType.taskCard,
-        ),
-        ...state.messages,
-      ],
-    );
+    state = state.copyWith(messages: prependTodayHealthCard(state.messages));
   }
 
   Future<String?> loadConversation(String convId) async {
@@ -212,7 +217,7 @@ class ChatNotifier extends Notifier<ChatState> {
       }).toList();
 
       state = ChatState(
-        messages: messages,
+        messages: prependTodayHealthCard(messages),
         conversationId: convId,
         activeAgent: ActiveAgent.default_,
         isViewingHistory: true,