Completed initial database design

Sealed qualifying public classes
Migrated database changes

LiteCharms.Features/Quartz/JobOrchestrator.cs

@@ -3,7 +3,7 @@ using LiteCharms.Features.Quartz.Abstractions;
 
 namespace LiteCharms.Features.Quartz;
 
-public class JobOrchestrator(ISchedulerFactory schedulerFactory) : IJobOrchestrator
+public sealed class JobOrchestrator(ISchedulerFactory schedulerFactory) : IJobOrchestrator
 {
     public async Task SendAsync<TNotification>(TNotification notification, CancellationToken cancellationToken = default)
         where TNotification : IEvent
@@ -11,7 +11,7 @@ public class JobOrchestrator(ISchedulerFactory schedulerFactory) : IJobOrchestra
         var chainedJobGroup = "onetime-jobs";
 
         var scheduler = await schedulerFactory.GetScheduler(cancellationToken);
-        var jobKey = new JobKey($"{notification.Name.ToLower()}-{notification.CorrelationId.ToLower()}", chainedJobGroup);
+        var jobKey = new JobKey($"{notification.Name.ToLower(CultureInfo.InvariantCulture)}-{notification.CorrelationId.ToLower(CultureInfo.InvariantCulture)}", chainedJobGroup);
         var triggerKey = new TriggerKey($"{jobKey.Name}-trigger", chainedJobGroup);
 
         var job = JobBuilder.Create<MediatorJob<TNotification>>()
@@ -35,7 +35,7 @@ public class JobOrchestrator(ISchedulerFactory schedulerFactory) : IJobOrchestra
         var chainedJobGroup = "scheduled-jobs";
 
         var scheduler = await schedulerFactory.GetScheduler(cancellationToken);
-        var jobKey = new JobKey($"{notification.Name.ToLower()}", chainedJobGroup);
+        var jobKey = new JobKey($"{notification.Name.ToLower(CultureInfo.InvariantCulture)}", chainedJobGroup);
         var triggerKey = new TriggerKey($"{jobKey.Name}-trigger", chainedJobGroup);
 
         var job = JobBuilder.Create<MediatorJob<TNotification>>()
@@ -53,7 +53,7 @@ public class JobOrchestrator(ISchedulerFactory schedulerFactory) : IJobOrchestra
             .WithDescription($"Scheduled via Main Job at {now:g}")
             .WithCronSchedule(cronExpression, cron => cron
                 .WithMisfireHandlingInstructionIgnoreMisfires())
-            .StartAt(now)
+            .StartAt((DateTimeOffset)now)
             .Build();
 
         await scheduler.AddJob(job, replace: true, cancellationToken);

LiteCharms.Features/Quartz/MediatorJob.cs

@@ -4,7 +4,7 @@ using LiteCharms.Features.Mediator;
 namespace LiteCharms.Features.Quartz;
 
 [DisallowConcurrentExecution]
-public class MediatorJob<TNotification>(IMediator mediator) : IJob where TNotification : IEvent
+public sealed class MediatorJob<TNotification>(IMediator mediator) : IJob where TNotification : IEvent
 {
     public async Task Execute(IJobExecutionContext context)
     {

LiteCharms.Features/Quartz/RetryJobListener.cs

@@ -1,6 +1,6 @@
 namespace LiteCharms.Features.Quartz;
 
-public class RetryJobListener : IJobListener
+public sealed class RetryJobListener : IJobListener
 {
     public string Name => "RetryJobListener";