feat(client): C 端 1-2 账号链路（邮箱登录/注册 + 令牌与 401 + 匿名/登录分叉）

为什么：客户端此前完全没有账号概念（mine 页的"登录"只是本地 demo 开关），而受限动作（收藏/评论）要对到具体账号。本批把账号链路接上，为后续互动、进度同步、下载打底。 - AuthApi + AuthController + AuthSessionStore：注册/登录/登出/刷新，令牌与设备号存 shared_preferences （用 SharedPreferencesAsync，与 engagement 仓库同一套 API） - ApiClient：统一带 Authorization 与 X-Device-Id；401 自动刷新一次并重试，刷新失败清登录态走 onUnauthorized - 登录/注册页（pages/auth，沿用 binding/logic/view 与现有视觉）：邮箱格式、密码 8-64 位含字母数字本地先校验，错误提示走 l10n；登录/注册一键切换 - 匿名/登录分叉：首页、发现、详情保持匿名可看；收藏/点赞等受限动作走 ensureSignedIn() 弹底部提示引导登录 - mine 页展示真实账号（昵称 + uid），拿不到才回落到演示文案 - 测试：新增 auth 控制器（注册落盘/401 刷新重试/刷新失败清会话/登出）与登录页（校验/切换）用例； widget_test 改为预置本地会话（账号不再是本地开关）；修掉 playback 用例对 host 大小写的环境依赖断言门禁：flutter analyze 0 问题；flutter test 148 全过。
2026-10-15 17:53:35 +08:00
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commit e1b98df509
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+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:nontonki/core/data/models/drama.dart';
+import 'package:nontonki/pages/discover/discover_logic.dart';
+import 'package:nontonki/pages/home/home_logic.dart';
+import 'package:nontonki/pages/mine/mine_logic.dart';
+
+Drama _drama(String id) => Drama(
+  id: id,
+  title: id,
+  synopsis: 'synopsis',
+  posterUrl: '/files/poster.png',
+  episodes: const [],
+);
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  final dramas = [_drama('signal'), _drama('city')];
+
+  test('the first catalog entry becomes the current drama', () {
+    final logic = HomeLogic(dramas);
+
+    expect(logic.currentDrama.id, 'signal');
+    expect(logic.tab, 1);
+    expect(logic.mySection, 0);
+    expect(logic.drawerOpen, isFalse);
+    expect(logic.profile, isFalse);
+    expect(logic.videoImmersive, isFalse);
+    logic.dispose();
+  });
+
+  test('an empty catalog cannot build the shell', () {
+    expect(() => HomeLogic(const []), throwsStateError);
+  });
+
+  test('a plain tab switch raises no request counter', () {
+    final logic = HomeLogic(dramas);
+    var notifications = 0;
+    logic.addListener(() => notifications++);
+
+    logic.select(1);
+
+    expect(logic.tab, 1);
+    expect(logic.searchRequest, 0);
+    expect(logic.sectionRequest, 0);
+    expect(logic.resumeRequest, 0);
+    expect(logic.backRequest, 0);
+    expect(notifications, 1);
+    logic.dispose();
+  });
+
+  test('each select flag raises exactly its own counter', () {
+    final logic = HomeLogic(dramas);
+
+    logic.select(1, search: true);
+    expect(logic.tab, 1);
+    expect(logic.searchRequest, 1);
+    expect(logic.sectionRequest, 0);
+
+    logic.select(2, mySection: 0);
+    expect(logic.mySection, 0);
+    expect(logic.sectionRequest, 1);
+    expect(logic.searchRequest, 1);
+
+    logic.select(0, resume: true);
+    expect(logic.resumeRequest, 1);
+    expect(logic.sectionRequest, 1);
+
+    expect(logic.backRequest, 0);
+    logic.dispose();
+  });
+
+  test('the watchlist shortcut defaults to the second section', () {
+    final logic = HomeLogic(dramas);
+
+    logic.select(2, watchlist: true);
+
+    expect(logic.tab, 2);
+    expect(logic.mySection, 1);
+    expect(logic.sectionRequest, 1);
+    logic.dispose();
+  });
+
+  test('openProfile and openLibrary disagree about the profile flag', () {
+    final logic = HomeLogic(dramas);
+
+    logic.openProfile();
+    expect(logic.profile, isTrue);
+    expect(logic.tab, 2);
+    expect(logic.mySection, 0);
+    expect(logic.sectionRequest, 1);
+
+    logic.openLibrary(section: 1);
+    expect(logic.profile, isFalse);
+    expect(logic.mySection, 1);
+    expect(logic.sectionRequest, 2);
+
+    logic.openLibrary();
+    expect(logic.profile, isFalse);
+    expect(logic.mySection, 1);
+    expect(logic.sectionRequest, 3);
+    logic.dispose();
+  });
+
+  test('system back returns home, and home itself opens the drawer', () {
+    final logic = HomeLogic(dramas);
+
+    logic.onSystemBack();
+    expect(logic.drawerOpen, isTrue);
+    expect(logic.tab, 1);
+    expect(logic.backRequest, 0);
+    logic.onDrawerChanged(false);
+
+    logic.select(0);
+    logic.onSystemBack();
+    expect(logic.tab, 1);
+    expect(logic.backRequest, 0);
+
+    logic.select(0);
+    logic.onImmersiveChanged(true);
+    logic.onSystemBack();
+    expect(logic.backRequest, 1);
+    expect(logic.tab, 0);
+
+    logic.onDrawerChanged(true);
+    logic.onSystemBack();
+    expect(logic.backRequest, 1);
+
+    logic.onDrawerChanged(false);
+    logic.onImmersiveChanged(false);
+    logic.onSystemBack();
+    expect(logic.tab, 1);
+    logic.dispose();
+  });
+
+  test('drawer state only notifies on an actual change', () {
+    final logic = HomeLogic(dramas);
+    var notifications = 0;
+    logic.addListener(() => notifications++);
+
+    logic.onDrawerChanged(false);
+    expect(notifications, 0);
+
+    logic.onDrawerChanged(true);
+    expect(logic.drawerOpen, isTrue);
+    expect(notifications, 1);
+
+    logic.onDrawerChanged(true);
+    expect(notifications, 1);
+    logic.dispose();
+  });
+
+  test('drama and immersive callbacks update state', () {
+    final logic = HomeLogic(dramas);
+
+    logic.onDramaChanged(dramas[1]);
+    expect(logic.currentDrama.id, 'city');
+
+    logic.onImmersiveChanged(true);
+    expect(logic.videoImmersive, isTrue);
+    logic.dispose();
+  });
+
+  test('my page actions map onto root tabs', () {
+    final logic = HomeLogic(dramas);
+
+    logic.myAction(MyPageAction.discover);
+    expect(logic.tab, 1);
+    expect(logic.searchRequest, 1);
+
+    logic.myAction(MyPageAction.resume);
+    expect(logic.tab, 0);
+    expect(logic.resumeRequest, 1);
+
+    logic.myAction(MyPageAction.home);
+    expect(logic.tab, 0);
+    expect(logic.resumeRequest, 1);
+    logic.dispose();
+  });
+
+  test('notifying after dispose is a no-op', () {
+    final logic = HomeLogic(dramas);
+    var notifications = 0;
+    logic.addListener(() => notifications++);
+
+    logic.dispose();
+    logic.notify();
+
+    expect(notifications, 0);
+  });
+
+  testWidgets('discover actions map onto root tabs', (tester) async {
+    final logic = HomeLogic(dramas);
+    late BuildContext context;
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Builder(
+          builder: (inner) {
+            context = inner;
+            return const SizedBox.shrink();
+          },
+        ),
+      ),
+    );
+
+    logic.discoverAction(context, DiscoverPageAction.watchlist);
+    expect(logic.tab, 2);
+    expect(logic.profile, isFalse);
+    expect(logic.mySection, 1);
+    expect(logic.sectionRequest, 1);
+
+    logic.discoverAction(context, DiscoverPageAction.my);
+    expect(logic.tab, 2);
+    expect(logic.profile, isFalse);
+
+    logic.discoverAction(context, DiscoverPageAction.resume);
+    expect(logic.tab, 0);
+    expect(logic.resumeRequest, 1);
+
+    logic.discoverAction(context, DiscoverPageAction.home);
+    expect(logic.tab, 0);
+
+    expect(tester.takeException(), isNull);
+    logic.dispose();
+  });
+}