chore: 初始化脚手架 — sunny_mochi 企业级 Flutter 模板

Core 基础设施：Flavor 三包体系、Drift+SQLCipher 加密数据库 7 拦截器 Dio 网络栈、CrashReporter 崩溃日志、Sealed Failure 错误体系 5 色板主题系统、Auth 认证骨架（Clean Architecture）、Dev Panel、Mock Adapter 通过验证：flutter analyze（0 errors）、flutter test（全绿）、staging APK 74.8MB
2026-05-14 12:51:05 +08:00
commit 61017f1c39
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+import 'package:flutter/widgets.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:sunny_mochi/core/observability/talker_setup.dart';
+import 'package:sunny_mochi/features/auth/presentation/notifiers/auth_status_provider.dart';
+
+import 'routes.dart';
+
+part 'app_router.g.dart';
+
+// 不需要登录即可访问的路径
+const _publicPaths = {'/login'};
+
+@Riverpod(keepAlive: true)
+GoRouter appRouter(Ref ref) {
+  final auth = ref.read(authStatusProvider);
+
+  return GoRouter(
+    debugLogDiagnostics: true,
+    initialLocation: '/home',
+    refreshListenable: auth.listenable,
+    redirect: (BuildContext context, GoRouterState state) {
+      final loggedIn = auth.value;
+      final path = state.matchedLocation;
+      appTalker.verbose('[Router] path=$path loggedIn=$loggedIn');
+
+      if (loggedIn == null) return null; // bootstrap 未完成，保持当前
+      if (!loggedIn && !_publicPaths.contains(path)) return '/login';
+      if (loggedIn && path == '/login') return '/home';
+      return null;
+    },
+    routes: $appRoutes,
+  );
+}