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

src/VexHub/__Libraries/StellaOps.VexHub.Persistence/Extensions/VexHubPersistenceExtensions.cs

@@ -0,0 +1,46 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using StellaOps.Infrastructure.Postgres.Options;
+using StellaOps.VexHub.Core;
+using StellaOps.VexHub.Persistence.Postgres;
+using StellaOps.VexHub.Persistence.Postgres.Repositories;
+
+namespace StellaOps.VexHub.Persistence.Extensions;
+
+/// <summary>
+/// Service collection extensions for VexHub persistence.
+/// </summary>
+public static class VexHubPersistenceExtensions
+{
+    /// <summary>
+    /// Adds VexHub PostgreSQL persistence services to the service collection.
+    /// </summary>
+    public static IServiceCollection AddVexHubPersistence(
+        this IServiceCollection services,
+        IConfiguration configuration)
+    {
+        services.Configure<PostgresOptions>(configuration.GetSection("Postgres"));
+
+        services.AddSingleton<VexHubDataSource>();
+        services.AddScoped<IVexStatementRepository, PostgresVexStatementRepository>();
+        services.AddScoped<IVexProvenanceRepository, PostgresVexProvenanceRepository>();
+
+        return services;
+    }
+
+    /// <summary>
+    /// Adds VexHub PostgreSQL persistence services with explicit options.
+    /// </summary>
+    public static IServiceCollection AddVexHubPersistence(
+        this IServiceCollection services,
+        Action<PostgresOptions> configureOptions)
+    {
+        services.Configure(configureOptions);
+
+        services.AddSingleton<VexHubDataSource>();
+        services.AddScoped<IVexStatementRepository, PostgresVexStatementRepository>();
+        services.AddScoped<IVexProvenanceRepository, PostgresVexProvenanceRepository>();
+
+        return services;
+    }
+}