do to formatters

apps/website/lib/formatters/LeagueCreationStatusFormatter.ts

@@ -0,0 +1,14 @@
+/**
+ * LeagueCreationStatusDisplay
+ *
+ * Deterministic mapping of league creation status to display messages.
+ */
+
+export class LeagueCreationStatusFormatter {
+  /**
+   * Maps league creation success status to display message.
+   */
+  static statusMessage(success: boolean): string {
+    return success ? 'League created successfully!' : 'Failed to create league.';
+  }
+}