Fix release health multi-scope evidence contracts

src/Platform/StellaOps.Platform.WebService/Endpoints/EvidenceReadModelEndpoints.cs

@@ -0,0 +1,83 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Routing;
+using StellaOps.Auth.ServerIntegration.Tenancy;
+using StellaOps.Platform.WebService.Constants;
+using StellaOps.Platform.WebService.Contracts;
+using StellaOps.Platform.WebService.Services;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace StellaOps.Platform.WebService.Endpoints;
+
+public static class EvidenceReadModelEndpoints
+{
+    public static IEndpointRouteBuilder MapEvidenceReadModelEndpoints(this IEndpointRouteBuilder app)
+    {
+        var evidence = app.MapGroup("/api/v2/evidence")
+            .WithTags("Evidence V2")
+            .RequireAuthorization(PlatformPolicies.ReleaseControlRead)
+            .RequireTenant();
+
+        evidence.MapGet("/packs", async Task<IResult>(
+            HttpContext context,
+            PlatformRequestContextResolver resolver,
+            ReleaseReadModelService service,
+            TimeProvider timeProvider,
+            [AsParameters] EvidencePackListQuery query,
+            CancellationToken cancellationToken) =>
+        {
+            if (!TryResolveContext(context, resolver, out var requestContext, out var failure))
+            {
+                return failure!;
+            }
+
+            var page = await service.ListEvidencePacksAsync(
+                requestContext!,
+                query.Region,
+                query.Environment,
+                query.Limit,
+                query.Offset,
+                cancellationToken).ConfigureAwait(false);
+
+            return Results.Ok(new PlatformListResponse<EvidencePackProjection>(
+                requestContext!.TenantId,
+                requestContext.ActorId,
+                timeProvider.GetUtcNow(),
+                Cached: false,
+                CacheTtlSeconds: 0,
+                page.Items,
+                page.Total,
+                page.Limit,
+                page.Offset));
+        })
+        .WithName("ListEvidencePacksV2")
+        .WithSummary("List Pack-22 evidence pack projections")
+        .RequireAuthorization(PlatformPolicies.ReleaseControlRead);
+
+        return app;
+    }
+
+    private static bool TryResolveContext(
+        HttpContext context,
+        PlatformRequestContextResolver resolver,
+        out PlatformRequestContext? requestContext,
+        out IResult? failure)
+    {
+        if (resolver.TryResolve(context, out requestContext, out var error))
+        {
+            failure = null;
+            return true;
+        }
+
+        failure = Results.BadRequest(new { error = error ?? "tenant_missing" });
+        return false;
+    }
+
+    public sealed record EvidencePackListQuery(
+        string? Region,
+        string? Environment,
+        int? Limit,
+        int? Offset);
+}