stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.Artifact.Infrastructure/ArtifactMigrationService.Batch.cs

@@ -0,0 +1,33 @@
+// -----------------------------------------------------------------------------
+// ArtifactMigrationService.Batch.cs
+// Sprint: SPRINT_20260118_017_Evidence_artifact_store_unification
+// Task: AS-006 - Migrate existing evidence to unified store
+// Description: Batch execution helpers for artifact migration
+// -----------------------------------------------------------------------------
+namespace StellaOps.Artifact.Infrastructure;
+
+public sealed partial class ArtifactMigrationService
+{
+    private async Task<ArtifactMigrationResult> QueueMigrationAsync(
+        LegacyArtifact legacy,
+        SemaphoreSlim semaphore,
+        CancellationToken ct)
+    {
+        await semaphore.WaitAsync(ct).ConfigureAwait(false);
+        try
+        {
+            return await MigrateOneAsync(legacy, ct).ConfigureAwait(false);
+        }
+        finally
+        {
+            semaphore.Release();
+        }
+    }
+
+    private static async Task<IReadOnlyList<ArtifactMigrationResult>> ProcessBatchAsync(
+        List<Task<ArtifactMigrationResult>> batch)
+    {
+        var results = await Task.WhenAll(batch).ConfigureAwait(false);
+        return results;
+    }
+}