feat(auditlog): AuditLogPartitionMaintenanceService monthly roll-forward (#23 M6)

src/ScadaLink.ConfigurationDatabase/ServiceCollectionExtensions.cs

@@ -1,8 +1,10 @@
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
+using ScadaLink.Commons.Interfaces;
 using ScadaLink.Commons.Interfaces.Repositories;
 using ScadaLink.Commons.Interfaces.Services;
+using ScadaLink.ConfigurationDatabase.Maintenance;
 using ScadaLink.ConfigurationDatabase.Repositories;
 using ScadaLink.ConfigurationDatabase.Services;
 
@@ -52,6 +54,13 @@ public static class ServiceCollectionExtensions
         services.AddScoped<IAuditService, AuditService>();
         services.AddScoped<IInstanceLocator, InstanceLocator>();
 
+        // #23 M6 Bundle D: IPartitionMaintenance drives the daily roll-forward
+        // of pf_AuditLog_Month from the central AuditLogPartitionMaintenanceService
+        // hosted service. Scoped because the implementation reuses the per-scope
+        // ScadaLinkDbContext for raw-SQL execution; the hosted service opens a
+        // fresh scope on each tick (mirrors AuditLogPurgeActor / AuditLogIngestActor).
+        services.AddScoped<IPartitionMaintenance, AuditLogPartitionMaintenance>();
+
         services.AddDataProtection()
             .PersistKeysToDbContext<ScadaLinkDbContext>();