feat: 广告服务抽象（Mock 激励视频）+ url_launcher 依赖

lib/core/ads/ads_service.dart

@@ -0,0 +1,24 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+/// 广告服务抽象：P0 用 Mock（保证业务链路可开发可测），P1 换穿山甲 SDK
+abstract class AdsService {
+  bool get enabled;
+  Future<bool> showRewarded();
+}
+
+/// 本地模拟激励视频（约 1 秒"播放"后返回完整观看）
+class MockAdsService implements AdsService {
+  @override
+  bool get enabled => true;
+
+  @override
+  Future<bool> showRewarded() async {
+    await Future.delayed(const Duration(milliseconds: 900));
+    return true;
+  }
+}
+
+final adsServiceProvider = Provider<AdsService>((ref) {
+  // P1：AppConfig.pangleAppId 非空时替换为 PangleAdsService（穿山甲 SDK 实现）
+  return MockAdsService();
+});

lib/features/member/member_provider.dart

@@ -0,0 +1,25 @@
+/// 会员 provider：Task 1 仅含权益文案纯函数（Task 2 将补全状态/套餐/下单/轮询/领奖）
+class MemberInfo {
+  final bool isVip;
+  final String expireAt;
+  final String planName;
+  final List<String> benefits;
+
+  const MemberInfo({
+    required this.isVip,
+    required this.expireAt,
+    required this.planName,
+    required this.benefits,
+  });
+}
+
+/// 权益 key → 文案
+const benefitLabels = {
+  'effect_unlimited': '无限效果图',
+  'ai_priority': '优先 AI 方案',
+  'cps_commission_x15': '返现加成 1.5x',
+  'store_discount': '门店折扣',
+};
+
+List<String> benefitTexts(MemberInfo m) =>
+    m.benefits.map((b) => benefitLabels[b] ?? b).toList();

pubspec.lock

@@ -717,6 +717,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      sha256: f6a7e5c4835bb4e3026a04793a4199ca2d14c739ec378fdfe23fc8075d0439f8
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.2"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: b413d49b73867ac08dd2f9890efd3cc11f2a0e577618d50843440a1fb3776c32
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.32"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: "580fe5dfb51671ae38191d316e027f6b76272b026370708c2d898799750a02b0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.4.1"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: d5e14138b3bc193a0f63c10a53c94b91d399df0512b1f29b94a043db7482384a
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: "368adf46f71ad3c21b8f06614adb38346f193f3a59ba8fe9a2fd74133070ba18"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.5"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "85c81589622fbc87c1c683aaea164d3604a7777495a79d91e39ffcdec39ddb34"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "712c70ab1b99744ff066053cbe3e80c73332b38d46e5e945c98689b2e66fc15f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.5"
   uuid:
     dependency: transitive
     description:

pubspec.yaml

@@ -40,6 +40,7 @@ dependencies:
   image_picker: ^1.2.3
   shared_preferences: ^2.5.5
   fluttertoast: ^9.1.0
+  url_launcher: ^6.3.0
   # v2 3D 渲染接入时引入：three_dart ^0.0.16 + three_dart_jsm ^0.0.10 + flutter_gl ^0.0.20
   # （flutter_gl 0.0.21 在 Flutter 3.44 下无法编译：platformViewRegistry 已移除）
 

test/features/member/benefits_test.dart

@@ -0,0 +1,24 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:slogan_app/features/member/member_provider.dart';
+
+void main() {
+  test('benefitTexts 映射已知权益文案，未知 key 原样保留', () {
+    final info = MemberInfo(
+      isVip: true,
+      expireAt: '2026-08-30 12:00:00',
+      planName: '月卡',
+      benefits: const ['effect_unlimited', 'unknown_key'],
+    );
+    expect(benefitTexts(info), ['无限效果图', 'unknown_key']);
+  });
+
+  test('benefitTexts 空权益返回空列表', () {
+    final info = MemberInfo(
+      isVip: false,
+      expireAt: '',
+      planName: '',
+      benefits: const [],
+    );
+    expect(benefitTexts(info), isEmpty);
+  });
+}