feat(security): complete capability messaging workflows

Tiku.Infrastructure/Messaging/BackgroundJobRequestedConsumer.cs

@@ -0,0 +1,28 @@
+using MassTransit;
+using Tiku.Application.Jobs;
+using Tiku.Application.Security;
+using Tiku.Contracts;
+
+namespace Tiku.Infrastructure.Messaging;
+
+[ConsumerAuthorizationMetadata(
+    "tenant", "dynamic-job-module", CapabilityOperation.Write, "background_job.execute",
+    RequiresSystemScope = true)]
+internal sealed class BackgroundJobRequestedConsumer(
+    IBackgroundJobService backgroundJobService,
+    ITenantContextInitializer tenantContextInitializer) : IConsumer<BackgroundJobRequestedV1>
+{
+    public async Task Consume(ConsumeContext<BackgroundJobRequestedV1> context)
+    {
+        var message = context.Message;
+        tenantContextInitializer.InitializeSystem(
+            message.TenantId,
+            $"RabbitMQ background job {message.JobType}");
+        await backgroundJobService.ProcessRequestedAsync(
+            message.JobId,
+            message.TenantId,
+            message.JobType,
+            $"rabbitmq:{Environment.MachineName}",
+            context.CancellationToken);
+    }
+}