up

src/Scanner/StellaOps.Scanner.WebService/Services/IScanCoordinator.cs

@@ -11,4 +11,6 @@ public interface IScanCoordinator
     ValueTask<ScanSnapshot?> TryFindByTargetAsync(string? reference, string? digest, CancellationToken cancellationToken);
 
     ValueTask<bool> AttachReplayAsync(ScanId scanId, ReplayArtifacts replay, CancellationToken cancellationToken);
+
+    ValueTask<bool> AttachEntropyAsync(ScanId scanId, EntropySnapshot entropy, CancellationToken cancellationToken);
 }

src/Scanner/StellaOps.Scanner.WebService/Services/InMemoryScanCoordinator.cs

@@ -45,15 +45,16 @@ public sealed class InMemoryScanCoordinator : IScanCoordinator
                 scanId,
                 normalizedTarget,
                 ScanStatus.Pending,
-                now,
+                now,
                 now,
                 null,
+                null,
                 null)),
-            (_, existing) =>
-            {
-                if (submission.Force)
-                {
-                    var snapshot = existing.Snapshot with
+            (_, existing) =>
+            {
+                if (submission.Force)
+                {
+                    var snapshot = existing.Snapshot with
                     {
                         Status = ScanStatus.Pending,
                         UpdatedAt = now,
@@ -134,6 +135,30 @@ public sealed class InMemoryScanCoordinator : IScanCoordinator
         return ValueTask.FromResult(true);
     }
 
+    public ValueTask<bool> AttachEntropyAsync(ScanId scanId, EntropySnapshot entropy, CancellationToken cancellationToken)
+    {
+        ArgumentNullException.ThrowIfNull(entropy);
+
+        if (!scans.TryGetValue(scanId.Value, out var existing))
+        {
+            return ValueTask.FromResult(false);
+        }
+
+        var updated = existing.Snapshot with
+        {
+            Entropy = entropy,
+            UpdatedAt = timeProvider.GetUtcNow()
+        };
+
+        scans[scanId.Value] = new ScanEntry(updated);
+        progressPublisher.Publish(scanId, updated.Status.ToString(), "entropy-attached", new Dictionary<string, object?>
+        {
+            ["entropy.imageOpaqueRatio"] = entropy.ImageOpaqueRatio,
+            ["entropy.layers"] = entropy.Layers.Count
+        });
+        return ValueTask.FromResult(true);
+    }
+
     private void IndexTarget(string scanId, ScanTarget target)
     {
         if (!string.IsNullOrWhiteSpace(target.Digest))