Improve artwork edit form

src/utils/artworkHelpers.ts

@@ -0,0 +1,24 @@
+export function slugify(input: string) {
+  return input
+    .toLowerCase()
+    .trim()
+    .replace(/['"]/g, "")
+    .replace(/[^a-z0-9]+/g, "-")
+    .replace(/(^-|-$)+/g, "");
+}
+
+export function normalizeNames(items?: string[]) {
+  const out: string[] = [];
+  const seen = new Set<string>();
+
+  for (const raw of items ?? []) {
+    const name = raw.trim().replace(/\s+/g, " ");
+    if (!name) continue;
+    const key = name.toLowerCase();
+    if (seen.has(key)) continue;
+    seen.add(key);
+    out.push(name);
+  }
+
+  return out;
+}