Gaps fill up, fixes, ui restructuring

src/Attestor/StellaOps.Attestor/StellaOps.Attestor.WebService/AttestorWebServiceComposition.cs

@@ -19,9 +19,11 @@ using StellaOps.Attestor.Core.Storage;
 using StellaOps.Attestor.Core.Submission;
 using StellaOps.Attestor.Core.Verification;
 using StellaOps.Attestor.Infrastructure;
+using StellaOps.Attestor.Persistence;
 using StellaOps.Attestor.ProofChain;
 using StellaOps.Attestor.Spdx3;
 using StellaOps.Attestor.Watchlist;
+using StellaOps.Attestor.WebService.Endpoints;
 using StellaOps.Attestor.WebService.Options;
 using StellaOps.Auth.ServerIntegration;
 using StellaOps.Configuration;
@@ -141,6 +143,13 @@ internal static class AttestorWebServiceComposition
         builder.Services.AddAttestorInfrastructure();
         builder.Services.AddProofChainServices();
 
+        // Predicate type registry (Sprint: SPRINT_20260219_010, PSR-02)
+        var postgresConnectionString = builder.Configuration["attestor:postgres:connectionString"];
+        if (!string.IsNullOrWhiteSpace(postgresConnectionString))
+        {
+            builder.Services.AddPredicateTypeRegistry(postgresConnectionString);
+        }
+
         builder.Services.AddScoped<Services.IProofChainQueryService, Services.ProofChainQueryService>();
         builder.Services.AddScoped<Services.IProofVerificationService, Services.ProofVerificationService>();
 
@@ -410,6 +419,7 @@ internal static class AttestorWebServiceComposition
         app.MapControllers();
         app.MapAttestorEndpoints(attestorOptions);
         app.MapWatchlistEndpoints();
+        app.MapPredicateRegistryEndpoints();
 
         app.TryRefreshStellaRouterEndpoints(routerOptions);
     }

src/Attestor/StellaOps.Attestor/StellaOps.Attestor.WebService/Endpoints/PredicateRegistryEndpoints.cs

@@ -0,0 +1,92 @@
+// -----------------------------------------------------------------------------
+// PredicateRegistryEndpoints.cs
+// Sprint: SPRINT_20260219_010 (PSR-02)
+// Task: PSR-02 - Create Predicate Schema Registry endpoints and repository
+// Description: REST API endpoints for the predicate type schema registry
+// -----------------------------------------------------------------------------
+
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Routing;
+using StellaOps.Attestor.Persistence.Repositories;
+
+namespace StellaOps.Attestor.WebService.Endpoints;
+
+/// <summary>
+/// Endpoints for the predicate type schema registry.
+/// Sprint: SPRINT_20260219_010 (PSR-02)
+/// </summary>
+public static class PredicateRegistryEndpoints
+{
+    /// <summary>
+    /// Maps predicate registry endpoints.
+    /// </summary>
+    public static void MapPredicateRegistryEndpoints(this IEndpointRouteBuilder app)
+    {
+        var group = app.MapGroup("/api/v1/attestor/predicates")
+            .WithTags("Predicate Registry")
+            .WithOpenApi();
+
+        group.MapGet("/", ListPredicateTypes)
+            .WithName("ListPredicateTypes")
+            .WithSummary("List all registered predicate types")
+            .Produces<PredicateTypeListResponse>(StatusCodes.Status200OK);
+
+        group.MapGet("/{uri}", GetPredicateType)
+            .WithName("GetPredicateType")
+            .WithSummary("Get predicate type schema by URI")
+            .Produces<PredicateTypeRegistryEntry>(StatusCodes.Status200OK)
+            .Produces(StatusCodes.Status404NotFound);
+    }
+
+    private static async Task<IResult> ListPredicateTypes(
+        IPredicateTypeRegistryRepository repository,
+        string? category = null,
+        bool? isActive = null,
+        int offset = 0,
+        int limit = 100,
+        CancellationToken ct = default)
+    {
+        var entries = await repository.ListAsync(category, isActive, offset, limit, ct);
+        return Results.Ok(new PredicateTypeListResponse
+        {
+            Items = entries,
+            Offset = offset,
+            Limit = limit,
+            Count = entries.Count,
+        });
+    }
+
+    private static async Task<IResult> GetPredicateType(
+        string uri,
+        IPredicateTypeRegistryRepository repository,
+        CancellationToken ct = default)
+    {
+        var decoded = Uri.UnescapeDataString(uri);
+        var entry = await repository.GetByUriAsync(decoded, ct);
+        if (entry is null)
+        {
+            return Results.NotFound(new { error = "Predicate type not found", uri = decoded });
+        }
+
+        return Results.Ok(entry);
+    }
+}
+
+/// <summary>
+/// Response for listing predicate types.
+/// </summary>
+public sealed record PredicateTypeListResponse
+{
+    /// <summary>The predicate type entries.</summary>
+    public required IReadOnlyList<PredicateTypeRegistryEntry> Items { get; init; }
+
+    /// <summary>Pagination offset.</summary>
+    public int Offset { get; init; }
+
+    /// <summary>Pagination limit.</summary>
+    public int Limit { get; init; }
+
+    /// <summary>Number of items returned.</summary>
+    public int Count { get; init; }
+}

src/Attestor/StellaOps.Attestor/StellaOps.Attestor.WebService/StellaOps.Attestor.WebService.csproj

@@ -32,5 +32,6 @@
     <ProjectReference Include="..\..\__Libraries\StellaOps.Attestor.Bundling\StellaOps.Attestor.Bundling.csproj" />
     <ProjectReference Include="..\..\__Libraries\StellaOps.Attestor.Spdx3\StellaOps.Attestor.Spdx3.csproj" />
     <ProjectReference Include="..\..\__Libraries\StellaOps.Attestor.Watchlist\StellaOps.Attestor.Watchlist.csproj" />
+    <ProjectReference Include="..\..\__Libraries\StellaOps.Attestor.Persistence\StellaOps.Attestor.Persistence.csproj" />
   </ItemGroup>
 </Project>