feat: phase 4 — orders with status workflow, idempotent complete_order RPC, delivery note PDF

app/Models/User.php

@@ -28,6 +28,7 @@ class User extends Authenticatable implements FilamentUser
     protected function casts(): array
     {
         return [
+            'id' => 'string',
             'is_active' => 'boolean',
         ];
     }