do to formatters

apps/website/lib/formatters/UserRoleFormatter.ts

@@ -0,0 +1,19 @@
+/**
+ * UserRoleDisplay
+ *
+ * Deterministic mapping of user role codes to display labels.
+ */
+
+export class UserRoleFormatter {
+  /**
+   * Maps user role to display label.
+   */
+  static roleLabel(role: string): string {
+    const map: Record<string, string> = {
+      owner: 'Owner',
+      admin: 'Admin',
+      user: 'User',
+    };
+    return map[role] || role;
+  }
+}