fix tests. new product advisories enhancements

src/Unknowns/StellaOps.Unknowns.WebService/Endpoints/GreyQueueEndpoints.cs

@@ -191,7 +191,7 @@ public static class GreyQueueEndpoints
             await notificationPublisher.PublishAsync(new EscalationNotification
             {
                 EntryId = id,
-                BomRef = entry.BomRef,
+                BomRef = entry.BomRef ?? string.Empty,
                 Reason = request.Reason,
                 EscalatedAt = DateTimeOffset.UtcNow
             }, ct);

src/Unknowns/StellaOps.Unknowns.WebService/Properties/launchSettings.json

@@ -0,0 +1,12 @@
+{
+  "profiles": {
+    "StellaOps.Unknowns.WebService": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "applicationUrl": "https://localhost:64477;http://localhost:64481"
+    }
+  }
+}

src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Repositories/IGreyQueueRepository.cs

@@ -235,6 +235,47 @@ public interface IGreyQueueRepository
     /// </summary>
     Task<IReadOnlyList<GreyQueueEntry>> GetPendingAsync(
         CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// Transitions an entry to UnderReview status with an assigned reviewer.
+    /// Sprint: SPRINT_20260118_018_Unknowns_queue_enhancement (UQ-005)
+    /// </summary>
+    Task<GreyQueueEntry> TransitionToUnderReviewAsync(
+        string tenantId,
+        Guid id,
+        string assignee,
+        CancellationToken cancellationToken);
+
+    /// <summary>
+    /// Transitions an entry to Escalated status.
+    /// Sprint: SPRINT_20260118_018_Unknowns_queue_enhancement (UQ-005)
+    /// </summary>
+    Task<GreyQueueEntry> TransitionToEscalatedAsync(
+        string tenantId,
+        Guid id,
+        string reason,
+        CancellationToken cancellationToken);
+
+    /// <summary>
+    /// Transitions an entry to Rejected status.
+    /// Sprint: SPRINT_20260118_018_Unknowns_queue_enhancement (UQ-005)
+    /// </summary>
+    Task<GreyQueueEntry> TransitionToRejectedAsync(
+        string tenantId,
+        Guid id,
+        string reason,
+        string rejectedBy,
+        CancellationToken cancellationToken);
+
+    /// <summary>
+    /// Reopens a closed entry back to Pending status.
+    /// Sprint: SPRINT_20260118_018_Unknowns_queue_enhancement (UQ-005)
+    /// </summary>
+    Task<GreyQueueEntry> ReopenAsync(
+        string tenantId,
+        Guid id,
+        string reason,
+        CancellationToken cancellationToken);
 }
 
 /// <summary>