fix(bugcollect): 补充缺失的 statusTag/statusLabel/formatTime 函数

这三个函数在模板中调用但未在 script 中定义，导致 TypeScript 编译失败。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tenant-platform/src/views/bug-collect/BugCollectIssueDetail.vue

@@ -156,8 +156,28 @@ function levelTag(level: string): '' | 'success' | 'warning' | 'info' | 'danger'
   return map[level?.toLowerCase()] ?? ''
 }
 
+function statusTag(status: string): '' | 'success' | 'warning' | 'info' | 'danger' {
+  const map: Record<string, '' | 'success' | 'warning' | 'info' | 'danger'> = {
+    open: 'danger', resolved: 'success', ignored: 'info',
+  }
+  return map[status?.toLowerCase()] ?? ''
+}
 
+function statusLabel(status: string): string {
+  const map: Record<string, string> = {
+    open: '未解决', resolved: '已解决', ignored: '已忽略',
+  }
+  return map[status?.toLowerCase()] ?? status ?? '-'
+}
 
+function formatTime(time: string | undefined | null): string {
+  if (!time) return '-'
+  try {
+    return new Date(time).toLocaleString('zh-CN', { hour12: false })
+  } catch {
+    return time
+  }
+}
 
 async function handleResolve() {
   if (!detail.value) return