feat(subscription): show expiry times to minute

frontend/src/utils/__tests__/formatDateTimeToMinute.spec.ts

@@ -0,0 +1,15 @@
+import { describe, expect, it } from 'vitest'
+
+import { formatDateTimeToMinute } from '../format'
+
+describe('formatDateTimeToMinute', () => {
+  it('formats local date and time without seconds', () => {
+    const value = new Date(2026, 6, 19, 20, 30, 45)
+
+    expect(formatDateTimeToMinute(value, 'en-GB')).toBe('19/07/2026, 20:30')
+  })
+
+  it('returns an empty string for an invalid date', () => {
+    expect(formatDateTimeToMinute(new Date('invalid'), 'en-GB')).toBe('')
+  })
+})

frontend/src/utils/format.ts

@@ -149,6 +149,27 @@ export function formatDateTime(
   return formatDate(date, options, localeOverride)
 }
 
+/**
+ * 格式化日期时间（精确到分钟）
+ */
+export function formatDateTimeToMinute(
+  date: string | Date | null | undefined,
+  localeOverride?: string
+): string {
+  return formatDate(
+    date,
+    {
+      year: 'numeric',
+      month: '2-digit',
+      day: '2-digit',
+      hour: '2-digit',
+      minute: '2-digit',
+      hour12: false
+    },
+    localeOverride
+  )
+}
+
 /**
  * 格式化为 date 控件值（YYYY-MM-DD，使用本地时间）
  */