feat: 对齐常驻商城与七鱼客服交互

- 同步商城 H5 登录态与原生 token
- 完善商城/原生 tab 切换、动画及返回交互
- 修复七鱼客服键盘避让和状态栏恢复
- 调整开屏跳过按钮与登录入口交互

test/features/mall/mall_bridge_arguments_test.dart

@@ -0,0 +1,34 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jinzhi_flutter_app/features/mall/application/mall_tab_config.dart';
+
+void main() {
+  test('preserves Jinzhi attribution while syncing H5 login', () {
+    final arguments = buildEnterWebMallBridgeArguments(
+      currentUri: Uri.parse(
+        'https://mall.example.com/?from=jinzhi&source_app=jinzhi'
+        '&source_entry=mall_tab&placement=mall_tab&hook_type=mall_tab'
+        '&tracking_id=tracking&click_id=click-1&ts=123&isNight=0',
+      ),
+      logged: true,
+      isDark: true,
+      authToken: 'mall-token',
+      scene: 'web_mall',
+      sourceApp: 'jinzhi',
+      attribution: const MallClickAttribution(
+        adId: 'latest-ad',
+        trackingId: 'latest-tracking',
+        clickId: 'latest-click',
+      ),
+    );
+
+    expect(arguments['from'], 'jinzhi');
+    expect(arguments['source_app'], 'jinzhi');
+    expect(arguments['ad_id'], 'latest-ad');
+    expect(arguments['tracking_id'], 'latest-tracking');
+    expect(arguments['click_id'], 'latest-click');
+    expect(arguments['isNight'], '1');
+    expect(arguments['auth_token'], 'mall-token');
+    expect(arguments['authToken'], 'mall-token');
+    expect(arguments['scene'], 'web_mall');
+  });
+}