Implement MongoDB-based storage for Pack Run approval, artifact, log, and state management

- Added MongoPackRunApprovalStore for managing approval states with MongoDB.
- Introduced MongoPackRunArtifactUploader for uploading and storing artifacts.
- Created MongoPackRunLogStore to handle logging of pack run events.
- Developed MongoPackRunStateStore for persisting and retrieving pack run states.
- Implemented unit tests for MongoDB stores to ensure correct functionality.
- Added MongoTaskRunnerTestContext for setting up MongoDB test environment.
- Enhanced PackRunStateFactory to correctly initialize state with gate reasons.

src/AdvisoryAI/StellaOps.AdvisoryAI.Hosting/ServiceCollectionExtensions.cs

@@ -3,14 +3,16 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Options;
+using StellaOps.AdvisoryAI.Caching;
 using StellaOps.AdvisoryAI.DependencyInjection;
 using StellaOps.AdvisoryAI.Providers;
 using StellaOps.AdvisoryAI.Queue;
-
-namespace StellaOps.AdvisoryAI.Hosting;
-
-public static class ServiceCollectionExtensions
-{
+using StellaOps.AdvisoryAI.Outputs;
+
+namespace StellaOps.AdvisoryAI.Hosting;
+
+public static class ServiceCollectionExtensions
+{
     public static IServiceCollection AddAdvisoryAiCore(
         this IServiceCollection services,
         IConfiguration configuration,
@@ -43,6 +45,8 @@ public static class ServiceCollectionExtensions
         services.AddAdvisoryPipelineInfrastructure();
 
         services.Replace(ServiceDescriptor.Singleton<IAdvisoryTaskQueue, FileSystemAdvisoryTaskQueue>());
+        services.Replace(ServiceDescriptor.Singleton<IAdvisoryPlanCache, FileSystemAdvisoryPlanCache>());
+        services.Replace(ServiceDescriptor.Singleton<IAdvisoryOutputStore, FileSystemAdvisoryOutputStore>());
         services.TryAddSingleton<AdvisoryAiMetrics>();
 
         return services;