Fix portfolio list sorting UX and add name/category filters.

Newest portfolios show first with corrected move-up, category no longer mixes into the date, and website link generation can filter by tags.

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

apps/business/src/utils/websiteLinks.ts

@@ -2,6 +2,8 @@ import { getBusinessDomain } from '../lib/config'
 
 export type WebsiteLinkKind = 'product' | 'storeItem' | 'blog' | 'portfolio' | 'video'
 
+export type WebsiteLinkFilter = 'category' | 'tag'
+
 export const WEBSITE_LINK_KINDS: WebsiteLinkKind[] = [
   'product',
   'storeItem',
@@ -35,3 +37,21 @@ export function buildWebsiteCategoryUrl(
     : `categoryId=${encodeURIComponent(category.id)}`
   return `${getWebsiteOrigin(domain)}${path}?${query}`
 }
+
+export function buildWebsiteTagsUrl(
+  kind: WebsiteLinkKind,
+  tags: string[],
+  domain = getBusinessDomain(),
+): string {
+  const cleaned = [
+    ...new Set(tags.map((tag) => tag.trim()).filter(Boolean)),
+  ]
+  if (cleaned.length === 0) return ''
+
+  const path = WEBSITE_LINK_KIND_PATH[kind]
+  const query =
+    cleaned.length === 1
+      ? `tag=${encodeURIComponent(cleaned[0])}`
+      : `tags=${cleaned.map((tag) => encodeURIComponent(tag)).join(',')}`
+  return `${getWebsiteOrigin(domain)}${path}?${query}`
+}