Add Discord allowed mentions configuration

tests/Feature/Notifications/DeliverNotificationActionTest.php

@@ -106,6 +106,44 @@ class DeliverNotificationActionTest extends TestCase
         $this->assertNotNull($deliveryLog->delivered_at);
     }
 
+    /**
+     * Ensure Discord deliveries include configured allowed mention parse values.
+     */
+    public function test_discord_delivery_includes_configured_allowed_mentions(): void
+    {
+        Http::preventStrayRequests();
+        Http::fake([
+            'https://discord.com/api/webhooks/123456/discord-alerts' => Http::response('', 204),
+        ]);
+
+        $notificationAction = NotificationAction::factory()->discord()->create([
+            'delivery_url' => 'https://discord.com/api/webhooks/123456/discord-alerts',
+            'channel_configuration' => [
+                'allowed_mentions' => ['users', 'roles', 'users', 'EVERYONE', 'invalid'],
+            ],
+            'message_template' => '$ticket_key moved to $status_to',
+        ]);
+        $deliveryLog = $this->createPendingDeliveryLog($notificationAction);
+
+        (new DeliverNotificationAction(
+            notificationActionId: $notificationAction->id,
+            payload: $this->payload(),
+            notificationDeliveryLogId: $deliveryLog->id,
+        ))->handle();
+
+        Http::assertSentCount(1);
+        Http::assertSent(function (Request $request): bool {
+            return $request->method() === 'POST'
+                && $request->url() === 'https://discord.com/api/webhooks/123456/discord-alerts'
+                && $request->data() === [
+                    'content' => 'CORE-42 moved to Doing',
+                    'allowed_mentions' => [
+                        'parse' => ['users', 'roles', 'everyone'],
+                    ],
+                ];
+        });
+    }
+
     /**
      * Ensure retryable webhook responses release the job and update the delivery log.
      */