fix：第一轮跑

lib/features/auth/application/login_launcher.dart

@@ -0,0 +1,91 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+import '../../../common/router/app_router.dart';
+import 'auth_controller.dart';
+import 'one_key_login_service.dart';
+
+/// Shared login entry: launch the carrier-owned authorization page first and
+/// use the Flutter SMS page only as a deliberate fallback.
+abstract final class LoginLauncher {
+  static final _service = OneKeyLoginService();
+  static bool _starting = false;
+
+  static Future<void> start(
+    BuildContext context,
+    WidgetRef ref, {
+    String? next,
+  }) async {
+    if (_starting) return;
+    _starting = true;
+    final dismissLoading = _showLoading(context);
+    try {
+      final observer = _OneKeyLoginLifecycleObserver(_service);
+      WidgetsBinding.instance.addObserver(observer);
+      late final OneKeyLoginOutcome outcome;
+      try {
+        outcome = await _service.start(
+          context: context,
+          verifyToken: ref.read(authProvider.notifier).verifyOneKeyLogin,
+          onNativeRequestDispatched: dismissLoading,
+          onAuthPageOpened: dismissLoading,
+        );
+      } catch (_) {
+        outcome = OneKeyLoginOutcome.fallback;
+      } finally {
+        WidgetsBinding.instance.removeObserver(observer);
+      }
+      if (!context.mounted) return;
+      if (outcome == OneKeyLoginOutcome.success) {
+        context.go(next?.isNotEmpty == true ? next! : AppRoutes.profile);
+        return;
+      }
+      if (outcome == OneKeyLoginOutcome.fallback ||
+          outcome == OneKeyLoginOutcome.unsupported) {
+        final target = next == null || next.isEmpty
+            ? AppRoutes.login
+            : '${AppRoutes.login}?next=${Uri.encodeComponent(next)}';
+        if (GoRouterState.of(context).matchedLocation != AppRoutes.login) {
+          await context.push(target);
+        }
+      }
+    } finally {
+      dismissLoading();
+      _starting = false;
+    }
+  }
+
+  static VoidCallback _showLoading(BuildContext context) {
+    var visible = true;
+    unawaited(
+      showDialog<void>(
+        context: context,
+        useRootNavigator: true,
+        barrierDismissible: false,
+        builder: (_) => const PopScope(
+          canPop: false,
+          child: Center(child: CircularProgressIndicator()),
+        ),
+      ),
+    );
+    return () {
+      if (visible && context.mounted) {
+        Navigator.of(context, rootNavigator: true).pop();
+      }
+      visible = false;
+    };
+  }
+}
+
+class _OneKeyLoginLifecycleObserver with WidgetsBindingObserver {
+  _OneKeyLoginLifecycleObserver(this._service);
+  final OneKeyLoginService _service;
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.resumed) _service.onAppResumed();
+  }
+}