Refactor: Improve error handling in authentication flow

backend/src/routes/admin.ts

@@ -3,6 +3,7 @@ import { authenticate, AuthenticatedRequest, requireAdmin } from '../middleware/
 import { prisma } from '../utils/prisma';
 import { asyncHandler } from '../middleware/errorHandler';
 import { mintTokens } from '../services/solana';
+import { io } from '../index';
 
 const router = Router();
 
@@ -227,6 +228,13 @@ router.post('/users/:id/bonus',
       }
     });
 
+    // Emit real-time update via WebSocket
+    io.to(`user:${user.id}`).emit('bonus_received', {
+      amount,
+      reason: reason || 'Admin Bonus',
+      transaction
+    });
+
     res.json({
       success: true,
       amount,