feat: Add Hangfire infrastructure with dynamic storage configuration

- Install Hangfire packages (Core, AspNetCore, SqlServer, InMemory)
- Configure Hangfire in Program.cs with boolean InMemory flag from appsettings
- Add Hangfire dashboard at /hangfire route
- Update appsettings.json with Hangfire:InMemory configuration
- Update launchSettings.json with new launch URL
- Remove obsolete Worker.cs background service

ECMJobRunner.WebCron/Program.cs

@@ -1,10 +1,57 @@
+using ECMJobRunner.Application;
+using ECMJobRunner.Infrastructure;
 using ECMJobRunner.WebCron;
+using Hangfire;
+using Hangfire.SqlServer;
+using Microsoft.Data.SqlClient;
 
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 builder.Services.AddControllers();
-builder.Services.AddHostedService<Worker>();
+builder.Services.AddHostedService<ProfileManager>();
+
+// Register services
+var cnnStr = builder.Configuration.GetConnectionString("SDD-VMP04-SQL17")
+    ?? throw new InvalidOperationException("Connection string 'SDD-VMP04-SQL17' not found.");
+builder.Services.AddJobRunnerInfrastructure(cnnStr);
+
+var recClientApiUrl = builder.Configuration.GetValue<string>("ReC:ApiUrl")
+    ?? throw new InvalidOperationException("ReC:ApiUrl not found.");
+builder.Services.AddJobRunnerServices(recClientApiUrl);
+
+// Get Hangfire storage configuration
+var useInMemory = builder.Configuration.GetValue<bool>("Hangfire:InMemory");
+
+// Add Hangfire services with configurable storage
+builder.Services.AddHangfire(configuration =>
+{
+    configuration
+        .SetDataCompatibilityLevel(CompatibilityLevel.Version_180)
+        .UseSimpleAssemblyNameTypeSerializer()
+        .UseRecommendedSerializerSettings();
+
+    // Configure storage based on appsettings
+    if (useInMemory)
+    {
+        configuration.UseInMemoryStorage();
+    }
+    else // Use SQL Server storage
+    {
+        configuration.UseSqlServerStorage(cnnStr, new SqlServerStorageOptions
+        {
+            CommandBatchMaxTimeout = TimeSpan.FromMinutes(5),
+            SlidingInvisibilityTimeout = TimeSpan.FromMinutes(5),
+            QueuePollInterval = TimeSpan.Zero,
+            UseRecommendedIsolationLevel = true,
+            DisableGlobalLocks = true,
+            SqlClientFactory = SqlClientFactory.Instance
+        });
+    }
+});
+
+// Add Hangfire server
+builder.Services.AddHangfireServer();
 
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
@@ -22,6 +69,12 @@ app.UseHttpsRedirection();
 
 app.UseAuthorization();
 
+// Add Hangfire Dashboard with no authentication (for development)
+app.UseHangfireDashboard("/hangfire", new DashboardOptions
+{
+    Authorization = new[] { new AllowAllDashboardAuthorizationFilter() }
+});
+
 app.MapControllers();
 
 app.Run();