sprints work

src/__Libraries/StellaOps.AdvisoryAI.Attestation/AiAttestationServiceExtensions.cs

@@ -0,0 +1,58 @@
+// <copyright file="AiAttestationServiceExtensions.cs" company="StellaOps">
+// Copyright (c) StellaOps. Licensed under the AGPL-3.0-or-later.
+// </copyright>
+
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection.Extensions;
+using StellaOps.AdvisoryAI.Attestation.Storage;
+
+namespace StellaOps.AdvisoryAI.Attestation;
+
+/// <summary>
+/// Extension methods for registering AI attestation services.
+/// Sprint: SPRINT_20260109_011_001
+/// </summary>
+public static class AiAttestationServiceExtensions
+{
+    /// <summary>
+    /// Adds AI attestation services to the service collection.
+    /// </summary>
+    /// <param name="services">The service collection.</param>
+    /// <returns>The service collection for chaining.</returns>
+    public static IServiceCollection AddAiAttestationServices(this IServiceCollection services)
+    {
+        services.TryAddSingleton(TimeProvider.System);
+        services.TryAddSingleton<IPromptTemplateRegistry, PromptTemplateRegistry>();
+        services.TryAddSingleton<IAiAttestationService, AiAttestationService>();
+
+        return services;
+    }
+
+    /// <summary>
+    /// Adds AI attestation services with a custom time provider.
+    /// </summary>
+    /// <param name="services">The service collection.</param>
+    /// <param name="timeProvider">The time provider to use.</param>
+    /// <returns>The service collection for chaining.</returns>
+    public static IServiceCollection AddAiAttestationServices(
+        this IServiceCollection services,
+        TimeProvider timeProvider)
+    {
+        services.AddSingleton(timeProvider);
+        services.TryAddSingleton<IPromptTemplateRegistry, PromptTemplateRegistry>();
+        services.TryAddSingleton<IAiAttestationService, AiAttestationService>();
+
+        return services;
+    }
+
+    /// <summary>
+    /// Adds in-memory attestation storage. Useful for testing and development.
+    /// </summary>
+    /// <param name="services">The service collection.</param>
+    /// <returns>The service collection for chaining.</returns>
+    public static IServiceCollection AddInMemoryAiAttestationStore(this IServiceCollection services)
+    {
+        services.TryAddSingleton<IAiAttestationStore, InMemoryAiAttestationStore>();
+        return services;
+    }
+}