移除旧版 HTML 模板与兼容层，并完善私信、举报、媒体存储与 SEO。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/utils/report.ts

@@ -0,0 +1,22 @@
+import type { ReportReason, ReportStatus } from '../api/types';
+
+export const REPORT_REASON_OPTIONS: { value: ReportReason; label: string }[] = [
+  { value: 'spam', label: '垃圾广告' },
+  { value: 'abuse', label: '人身攻击 / 辱骂' },
+  { value: 'illegal', label: '违法违规' },
+  { value: 'irrelevant', label: '内容无关 / 灌水' },
+  { value: 'other', label: '其他' },
+];
+
+export function reportReasonLabel(reason: string) {
+  return REPORT_REASON_OPTIONS.find(o => o.value === reason)?.label ?? reason;
+}
+
+export function reportStatusLabel(status: ReportStatus | string) {
+  switch (status) {
+    case 'pending': return '待处理';
+    case 'resolved': return '已处理';
+    case 'dismissed': return '已忽略';
+    default: return status;
+  }
+}