feat: media & music file name

lib/utils.ts

@@ -19,6 +19,16 @@ export function formatDuration(seconds?: number | null): string {
   return toFa(`${m}:${String(s).padStart(2, "0")}`);
 }
 
+// Derive a clean title from an uploaded file name: drop the extension and turn
+// underscores/dashes into spaces (e.g. "morning_calm-01.mp3" -> "morning calm 01").
+export function fileNameToTitle(name: string): string {
+  return name
+    .replace(/\.[^./\\]+$/, "")
+    .replace(/[_-]+/g, " ")
+    .replace(/\s+/g, " ")
+    .trim();
+}
+
 // Minutes -> Persian label. Media and music store `duration` in minutes.
 export function formatMinutes(minutes?: number | null): string {
   if (minutes === null || minutes === undefined) return "—";