feat: align shared app foundations

lib/common/widgets/easy_refresh_localization.dart

@@ -0,0 +1,25 @@
+import 'package:easy_refresh/easy_refresh.dart';
+
+/// Applies one Chinese copy set to every pull-to-refresh/list-load control.
+void configureEasyRefreshChineseLocalization() {
+  EasyRefresh.defaultHeaderBuilder = () => const ClassicHeader(
+    dragText: '下拉刷新',
+    armedText: '松开刷新',
+    readyText: '刷新中...',
+    processingText: '刷新中...',
+    processedText: '刷新成功',
+    noMoreText: '没有更多了',
+    failedText: '刷新失败',
+    messageText: '上次更新于 %T',
+  );
+  EasyRefresh.defaultFooterBuilder = () => const ClassicFooter(
+    dragText: '上拉加载',
+    armedText: '松开加载更多',
+    readyText: '加载中...',
+    processingText: '加载中...',
+    processedText: '加载完成',
+    noMoreText: '没有更多了',
+    failedText: '加载失败',
+    messageText: '上次更新于 %T',
+  );
+}