fix(dashboard): show price unit (toman) inside the amount-in-letters bracket

frontend/src/lib/numutil.ts

@@ -91,13 +91,12 @@ export function toWords(v: unknown): string {
   return numToWordsFa(n);
 }
 
-// full price label: comma number + words in parentheses
-// "52800" -> "۵۲٬۸۰۰ (پنجاه و دو هزار و هشتصد)"
+// full price label: comma number + words with the unit INSIDE the brackets
+// "52800" -> "۵۲٬۸۰۰ (پنجاه و دو هزار و هشتصد تومان)"
 export function priceLabel(v: unknown, unit?: string): string {
   const n = parseNum(v);
   if (n == null) return "";
   const num = groupCommas(n, true);
   const words = toWords(n);
-  const suffix = unit ? ` ${unit}` : "";
-  return `${num}${suffix} (${words})`;
+  return unit ? `${num} (${words} ${unit})` : `${num} (${words})`;
 }