将 web-admin 从子模块改为仓库内普通目录，便于单仓克隆与维护。

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

web-admin/src/utils/category-path-display.ts

@@ -0,0 +1,24 @@
+import { fetchCategoryList } from '@/api/admin'
+import { fetchAllPagedRecords } from '@/utils/fetch-paged-list'
+import { buildTreePathLabelFromFlat } from '@/utils/tree-path'
+
+let cachedFlatCategories: any[] = []
+let cachedAt = 0
+const CACHE_TTL = 60 * 1000
+
+export async function ensureCategoryPathDataLoaded(force = false): Promise<void> {
+  if (!force && cachedFlatCategories.length > 0 && Date.now() - cachedAt < CACHE_TTL) return
+  const all = await fetchAllPagedRecords((page, pageSize) => fetchCategoryList({ page, pageSize }))
+  cachedFlatCategories = all || []
+  cachedAt = Date.now()
+}
+
+export function formatCategoryPathLabel(categoryId: unknown, fallbackName?: unknown): string {
+  const cid = String(categoryId ?? '').trim()
+  const fallback = String(fallbackName ?? '').trim()
+  if (!cid) return fallback || '—'
+  const path = buildTreePathLabelFromFlat(cid, cachedFlatCategories)
+  if (path) return path
+  return fallback || '—'
+}
+