feat: implement team standby status, helper persistence, and store portal foundations

app/Http/Controllers/Api/V1/SuperAdmin/SuperAdminUserController.php

@@ -85,6 +85,22 @@ class SuperAdminUserController extends ApiController
                 'language' => $data['preferred_language'] ?? 'en',
             ]);
 
+            // If store_partner, auto-create a shell store so they can access the dashboard
+            if ($data['role'] === User::ROLE_STORE_PARTNER) {
+                $store = \App\Models\PartnerStore::create([
+                    'tenant_id' => $user->tenant_id,
+                    'owner_user_id' => $user->id,
+                    'business_name' => $user->first_name . "'s Store",
+                    'status' => \App\Models\PartnerStore::STATUS_ACTIVE,
+                    'commission_rate_percent' => 10, // Default 10%
+                ]);
+
+                \App\Models\StoreInventory::create([
+                    'store_id' => $store->id,
+                    'current_code_balance' => 0,
+                ]);
+            }
+
             return $user;
         });