Add ACE-Step music generation to the studio and library.

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

utils/outputNames.ts

@@ -77,6 +77,9 @@ export function engineFilenameKey(engine: string) {
   if (value === 'klein') return 'klein'
   if (value === 'ltx') return 'ltx'
   if (value === 'minimax') return 'minimax'
+  if (value === 'ace' || value === 'ace-step') return 'ace'
+  if (value === 'ace15' || value === 'ace-step-1.5') return 'ace15'
+  if (value === 'yue') return 'yue'
   return sanitizeFilenameKey(value, 16) || 'gen'
 }