Remove every guest remnant: profile badge, register flow, delete-by-word

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/nav/routes.ts

@@ -18,8 +18,7 @@ export type Route =
   | { name: 'report' }
   /** پرداخت‌ها و فاکتورهای خودِ کاربر. */
   | { name: 'invoices' }
-  | { name: 'invite' }
-  | { name: 'register' };
+  | { name: 'invite' };
 
 export type TabName = 'home' | 'map' | 'ask' | 'subscription' | 'profile';