feat(reward): 新增客户端奖励中心

test/theme/app_dimens_test.dart

@@ -7,7 +7,10 @@ void main() {
   test('should_expose_dark_theme_radius_and_spacing_scale', () {
     expect(AppDimens.pageHorizontal, 16);
     expect(AppDimens.cardRadius, 12);
-    expect(AppDimens.coverRadius, 12);
+    expect(AppDimens.coverRadius, 8);
+    expect(AppDimens.cardCoverRadius, AppDimens.coverRadius);
+    expect(AppDimens.rankingCoverRadius, AppDimens.coverRadius);
+    expect(AppDimens.followingHistoryCoverRadius, AppDimens.coverRadius);
     expect(AppDimens.authCardRadius, 12);
     expect(AppDimens.buttonRadius, 10);
     expect(AppDimens.inputRadius, 10);