Fix missing AiController import in web routes.

Restores route resolution after multi-branch route additions.

Co-authored-by: Cursor <cursoragent@cursor.com>

routes/web.php

@@ -2,6 +2,7 @@
 
 use App\Http\Controllers\Auth\SsoLoginController;
 use App\Http\Controllers\AccountSwitchController;
+use App\Http\Controllers\Pos\AiController;
 use App\Http\Controllers\Pos\LocationController;
 use App\Http\Controllers\Pos\MemberController;
 use App\Http\Controllers\Pos\DashboardController;