i18n(showcase): zh-CN label for the reopen action

Claude-Session: https://claude.ai/code/session_01VDtqoecgES7ScQYGbFVDRv
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

examples/app-showcase/src/system/translations/index.ts

@@ -494,6 +494,9 @@ export const ShowcaseTranslationBundle = {
             label: '重算所选',
             successMessage: '已为整个选中集重算工时。',
           },
+          // The hook-refusal specimen: every click is refused by
+          // showcase_guard_task_reopen, so it carries no successMessage.
+          showcase_reopen_task: { label: '重新打开' },
         },
         // Section headings of the six form-view projections in
         // `ui/views/task.view.ts` (edit / tabbed / wizard / split / quick).