do to formatters

apps/website/lib/formatters/RatingFormatter.ts

@@ -0,0 +1,12 @@
+import { NumberFormatter } from './NumberFormatter';
+
+export class RatingFormatter {
+  /**
+   * Formats a rating as a rounded number with thousands separators.
+   * Example: 1234.56 -> "1,235"
+   */
+  static format(rating: number | null | undefined): string {
+    if (rating === null || rating === undefined) return '—';
+    return NumberFormatter.format(Math.round(rating));
+  }
+}