feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>

mobile/test/shared/widgets/app_list_test.dart

@@ -0,0 +1,124 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:buzz/shared/theme/theme.dart';
+import 'package:buzz/shared/widgets/app_list.dart';
+import 'package:buzz/shared/widgets/app_list_card.dart';
+
+Widget _host(Widget child) => MaterialApp(
+  theme: AppTheme.light(),
+  home: Scaffold(body: child),
+);
+
+void main() {
+  group('AppListRow', () {
+    testWidgets('centres the leading icon against a two-line row', (
+      tester,
+    ) async {
+      await tester.pumpWidget(
+        _host(
+          const AppListRow(
+            icon: Icons.dns,
+            title: 'Connected to',
+            subtitle: 'https://relay.example.com',
+          ),
+        ),
+      );
+
+      final row = tester.getRect(find.byType(AppListRow));
+      final icon = tester.getRect(find.byType(Icon));
+      expect(icon.center.dy, closeTo(row.center.dy, 0.5));
+    });
+
+    testWidgets('centres the trailing control against a two-line row', (
+      tester,
+    ) async {
+      await tester.pumpWidget(
+        _host(
+          const AppListRow(
+            icon: Icons.key,
+            title: 'Identity',
+            subtitle: 'deadbeef',
+            trailing: Icon(Icons.copy, key: Key('trailing')),
+          ),
+        ),
+      );
+
+      final row = tester.getRect(find.byType(AppListRow));
+      final trailing = tester.getRect(find.byKey(const Key('trailing')));
+      expect(trailing.center.dy, closeTo(row.center.dy, 0.5));
+    });
+
+    testWidgets('keeps the value flush against the trailing edge', (
+      tester,
+    ) async {
+      await tester.pumpWidget(
+        _host(
+          const AppListRow(
+            icon: Icons.palette,
+            title: 'Theme',
+            value: 'Buzz',
+            trailing: Icon(Icons.chevron_right, key: Key('chevron')),
+          ),
+        ),
+      );
+
+      final value = tester.getRect(find.text('Buzz'));
+      final chevron = tester.getRect(find.byKey(const Key('chevron')));
+      // Only the row's own inter-widget gap sits between them — no flex slack.
+      expect(chevron.left - value.right, closeTo(Grid.xxs, 0.5));
+    });
+  });
+
+  group('AppListCard', () {
+    testWidgets('separates rows with dividers that clear the icon column', (
+      tester,
+    ) async {
+      await tester.pumpWidget(
+        _host(
+          const AppListCard(
+            label: 'Style',
+            children: [
+              AppListRow(icon: Icons.sunny, title: 'Appearance'),
+              AppListRow(icon: Icons.palette, title: 'Theme'),
+              AppListRow(icon: Icons.water_drop, title: 'Accent color'),
+            ],
+          ),
+        ),
+      );
+
+      final dividers = find.byType(Divider);
+      expect(dividers, findsNWidgets(2));
+
+      final divider = tester.widget<Divider>(dividers.first);
+      final scheme = AppTheme.light().colorScheme;
+      // Derived from the text color, not the scheme's border tokens — those sit
+      // within a few levels of the card fill and vanish.
+      expect(divider.color, scheme.onSurface.withValues(alpha: 0.12));
+
+      // The indent is painted inside the divider's box, so the line starts at
+      // the box's left edge plus the indent — level with the row titles.
+      final titleLeft = tester.getRect(find.text('Appearance')).left;
+      final lineLeft = tester.getRect(dividers.first).left + divider.indent!;
+      expect(lineLeft, closeTo(titleLeft, 0.5));
+    });
+
+    testWidgets('fills with the softest container step', (tester) async {
+      await tester.pumpWidget(
+        _host(
+          const AppListCard(children: [AppListRow(title: 'Remove community')]),
+        ),
+      );
+
+      final material = tester.widget<Material>(
+        find.descendant(
+          of: find.byType(AppListCard),
+          matching: find.byType(Material),
+        ),
+      );
+      expect(
+        material.color,
+        AppTheme.light().colorScheme.surfaceContainerHighest,
+      );
+    });
+  });
+}