Roles via Nextcloud groups: sms-admin/manager/viewer + fix OAuth instance_uri

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

database/migrations/2026_09_13_000001_seed_sms_roles.php

@@ -0,0 +1,21 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Spatie\Permission\Models\Role;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        app()[\Spatie\Permission\PermissionRegistrar::class]->forgetCachedPermissions();
+
+        foreach (['sms-admin', 'sms-manager', 'sms-viewer'] as $role) {
+            Role::firstOrCreate(['name' => $role, 'guard_name' => 'web']);
+        }
+    }
+
+    public function down(): void
+    {
+        Role::whereIn('name', ['sms-admin', 'sms-manager', 'sms-viewer'])->delete();
+    }
+};