feat(app): 客户端展示多语言并支持筛选分页

lib/core/theme/app_colors.dart

@@ -112,6 +112,9 @@ abstract final class AppColors {
   static const textPrimary = Color(0xFFFFFFFF);
   static const textSecondary = Color(0xFFB0B0B0);
   static const textTertiary = Color(0xFF8E8E93);
+
+  /// 列表底部「没有更多了」这类弱提示。
+  static const textHint = Color(0xFF5C5C60);
   static const textTabInactive = Color(0xFFB0B0B0);
   static const textFilterIcon = Color(0xFF7A7A7E);
   static const searchResultMeta = Color(0xFF9E9E9E);