Fix build and code structure improvements. New but essential UI functionality. CI improvements. Documentation improvements. AI module improvements.

src/Policy/StellaOps.Policy.Engine/DependencyInjection/VexTrustGateServiceCollectionExtensions.cs

@@ -0,0 +1,67 @@
+// VexTrustGateServiceCollectionExtensions - DI registration
+// Part of SPRINT_1227_0004_0003: VexTrustGate Policy Integration
+
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection.Extensions;
+using StellaOps.Policy.Engine.Confidence;
+using StellaOps.Policy.Engine.Gates;
+
+namespace StellaOps.Policy.Engine.DependencyInjection;
+
+/// <summary>
+/// Extension methods for registering VEX trust gate services.
+/// </summary>
+public static class VexTrustGateServiceCollectionExtensions
+{
+    /// <summary>
+    /// Add VEX trust gate services to the DI container.
+    /// </summary>
+    /// <param name="services">The service collection.</param>
+    /// <param name="configuration">The configuration root.</param>
+    /// <returns>The service collection for chaining.</returns>
+    public static IServiceCollection AddVexTrustGate(
+        this IServiceCollection services,
+        IConfiguration configuration)
+    {
+        ArgumentNullException.ThrowIfNull(services);
+        ArgumentNullException.ThrowIfNull(configuration);
+
+        // Bind options
+        services.Configure<VexTrustGateOptions>(
+            configuration.GetSection(VexTrustGateOptions.SectionKey));
+
+        // Register gate
+        services.TryAddSingleton<IVexTrustGate, VexTrustGate>();
+
+        // Register metrics
+        services.TryAddSingleton<VexTrustGateMetrics>();
+
+        // Register confidence factor provider
+        services.TryAddSingleton<IConfidenceFactorProvider, VexTrustConfidenceFactorProvider>();
+
+        return services;
+    }
+
+    /// <summary>
+    /// Add VEX trust gate with custom options.
+    /// </summary>
+    /// <param name="services">The service collection.</param>
+    /// <param name="configureOptions">Action to configure options.</param>
+    /// <returns>The service collection for chaining.</returns>
+    public static IServiceCollection AddVexTrustGate(
+        this IServiceCollection services,
+        Action<VexTrustGateOptions> configureOptions)
+    {
+        ArgumentNullException.ThrowIfNull(services);
+        ArgumentNullException.ThrowIfNull(configureOptions);
+
+        services.Configure(configureOptions);
+
+        services.TryAddSingleton<IVexTrustGate, VexTrustGate>();
+        services.TryAddSingleton<VexTrustGateMetrics>();
+        services.TryAddSingleton<IConfidenceFactorProvider, VexTrustConfidenceFactorProvider>();
+
+        return services;
+    }
+}