feat(ui):增加flutter激活标记，方便applehealth回调判断app是否是存活态

+import 'dart:async';
+
 import 'package:doublefeel_flutter/app/modules/friends/controllers/friend_trend_controller.dart';
 import 'package:doublefeel_flutter/app/modules/friends/controllers/friends_controller.dart';
 import 'package:doublefeel_flutter/core/constants/flutter_bridge_method_name.dart';
@@ -44,6 +46,7 @@ class HomeController extends GetxController {
   void onInit() {
     super.onInit();
     _mainChannel.setMethodCallHandler(_handleNativeMethodCall);
+    unawaited(_markAppActivated());
     isFromOnboard = Get.arguments?['isFromOnboard'] ?? false;
     SchedulerBinding.instance.addPostFrameCallback((_) async {
       try {
@@ -64,6 +67,15 @@ class HomeController extends GetxController {
     });
   }
 
+  Future<void> _markAppActivated() async {
+    try {
+      await _mainChannel
+          .invokeMethod<bool>(FlutterBridgeMethodName.appActivited);
+    } catch (error) {
+      debugPrint('[HomeController] app activation mark failed: $error');
+    }
+  }
+
   @override
   void onClose() {
     _mainChannel.setMethodCallHandler(null);

@@ -4,4 +4,5 @@ class FlutterBridgeMethodName {
   static const handleFlutterUrl = 'handleFlutterUrl';
   static const healthDataUpdated = 'healthDataUpdated';
   static const uploadHealthData = 'uploadHealthData';
+  static const appActivited = 'appActivited';
 }