save audit remarks applications progress

src/EvidenceLocker/StellaOps.EvidenceLocker/Storage/IVerdictRepository.cs

@@ -63,7 +63,7 @@ public sealed record VerdictAttestationRecord
     public required string PredicateDigest { get; init; }
     public string? DeterminismHash { get; init; }
     public long? RekorLogIndex { get; init; }
-    public DateTimeOffset CreatedAt { get; init; } = DateTimeOffset.UtcNow;
+    public required DateTimeOffset CreatedAt { get; init; }
 }
 
 /// <summary>