chore: complete clean Agent Desk source snapshot

web/lib/support-article.ts

@@ -0,0 +1,13 @@
+export function articleHeadingId(title: string, index: number) {
+  const normalized = title.trim().toLowerCase().replace(/[^\p{L}\p{N}]+/gu, "-").replace(/^-|-$/g, "")
+  return `section-${index + 1}-${normalized || "heading"}`
+}
+
+export function markdownHeadingText(value: string) {
+  return value
+    .replace(/!\[([^\]]*)\]\([^)]*\)/g, "$1")
+    .replace(/\[([^\]]+)\]\([^)]*\)/g, "$1")
+    .replace(/<[^>]+>/g, "")
+    .replace(/[*_~`]/g, "")
+    .trim()
+}