diff --git a/integration_test/app_backend_test.dart b/integration_test/app_backend_test.dart
new file mode 100644
index 0000000..a2fa765
--- /dev/null
+++ b/integration_test/app_backend_test.dart
@@ -0,0 +1,74 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/app.dart';
+import 'package:fruitshorts/core/config/app_config.dart';
+import 'package:fruitshorts/core/data/remote/api_client.dart';
+import 'package:fruitshorts/core/data/remote/catalog_api.dart';
+import 'package:integration_test/integration_test.dart';
+
+/// 设备侧集成测试：**在手机进程里**真实请求开发机上的 app-api。
+///
+/// 跑法（红线第 10 条要求的"设备侧取证"）：
+/// ```
+/// IP=$(ipconfig getifaddr en0)
+/// flutter test integration_test -d <device-id> --dart-define=API_BASE_URL=http://$IP:8081
+/// ```
+/// 断言失败时会把实际使用的地址一起打出来，便于区分"地址不对"还是"设备连不上"。
+void main() {
+  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+
+  final baseUrl = AppConfig.apiBaseUrl;
+
+  testWidgets('should_fetch_home_feed_and_drama_detail_when_device_reaches_backend', (
+    tester,
+  ) async {
+    debugPrint('[device] API_BASE_URL=$baseUrl');
+    final client = ApiClient(baseUrl: baseUrl);
+    addTearDown(client.close);
+    final api = CatalogApi(client);
+
+    final feed = await api.homeFeed();
+    expect(
+      feed.dramas,
+      isNotEmpty,
+      reason: '设备侧拿不到首页列表（API_BASE_URL=$baseUrl）',
+    );
+    debugPrint('[device] 首页分区=${feed.sections.length} 剧目=${feed.dramas.length}');
+
+    final card = feed.dramas.first;
+    expect(card.id, isNotEmpty, reason: '设备侧首页卡片 id 为空');
+
+    final detail = await api.dramaDetail(card.id);
+    expect(detail.id, card.id, reason: '详情返回的 id 与卡片不一致');
+    expect(
+      detail.episodes,
+      isNotEmpty,
+      reason: '设备侧拿到的详情没有剧集（dramaId=${card.id}）',
+    );
+    debugPrint('[device] 详情 id=${detail.id} 剧集=${detail.episodes.length}');
+  });
+
+  testWidgets('should_render_home_drama_list_when_app_boots_on_device', (
+    tester,
+  ) async {
+    // 用真 App（真网络、真目录控制器）：首页底部标签栏出现即代表"剧目列表加载成功"，
+    // 也就是用户在真机上遇到的那个「剧目列表加载失败」已经消失。
+    await tester.pumpWidget(const LumaDramaApp());
+
+    var loaded = false;
+    for (var attempt = 0; attempt < 60 && !loaded; attempt++) {
+      await tester.pump(const Duration(milliseconds: 500));
+      loaded = find.byKey(const Key('home-tabs-bar')).evaluate().isNotEmpty;
+    }
+
+    expect(
+      loaded,
+      isTrue,
+      reason: '首页 30 秒内没渲染出剧目列表（API_BASE_URL=$baseUrl）',
+    );
+    debugPrint('[device] 首页剧目列表已渲染：API_BASE_URL=$baseUrl');
+  });
+}
diff --git a/pubspec.lock b/pubspec.lock
index 98d77df..7abd14d 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -134,6 +134,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_driver:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
@@ -165,6 +170,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  fuchsia_remote_debug_protocol:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   html:
     dependency: transitive
     description:
@@ -189,6 +199,11 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.12.0"
+  integration_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   intl:
     dependency: transitive
     description:
@@ -333,6 +348,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.5.2"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      sha256: "4242ba3508d37e01808bdf71ad1d5bb93a8d671bf2e7450e6b1b353fb0808891"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "5.0.6"
   provider:
     dependency: "direct main"
     description:
@@ -434,6 +457,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.4.1"
+  sync_http:
+    dependency: transitive
+    description:
+      name: sync_http
+      sha256: "7f0cd72eca000d2e026bcd6f990b81d0ca06022ef4e32fb257b30d3d1014a961"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.3.1"
   term_glyph:
     dependency: transitive
     description:
@@ -522,6 +553,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.1"
+  webdriver:
+    dependency: transitive
+    description:
+      name: webdriver
+      sha256: "28b82ec894fed45dd71c23ba62d1af973ed97dd59a4f5790a4d38b0b13e5657e"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.2.0"
   xdg_directories:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 7f4fd45..4fe8149 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -46,6 +46,11 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
+  # 设备侧集成测试：真机/模拟器进程里真实发请求，验证"设备能不能连到开发机后端"
+  # （红线第 10 条：设备验证必须设备侧取证，不能用开发机 curl 充数）
+  integration_test:
+    sdk: flutter
+
   # The "flutter_lints" package below contains a set of recommended lints to
   # encourage good coding practices. The lint set provided by the package is
   # activated in the `analysis_options.yaml` file located at the root of your