sprints work

src/Policy/__Libraries/StellaOps.Policy.Unknowns/Models/UnknownBudget.cs

@@ -66,6 +66,24 @@ public sealed record BudgetCheckResult
     public IReadOnlyDictionary<UnknownReasonCode, BudgetViolation> Violations { get; init; }
         = new Dictionary<UnknownReasonCode, BudgetViolation>();
     public string? Message { get; init; }
+
+    /// <summary>
+    /// The budget configuration that was applied during evaluation.
+    /// Required for attestation to capture the policy at decision time.
+    /// </summary>
+    public UnknownBudget? Budget { get; init; }
+
+    /// <summary>
+    /// Breakdown of unknown counts by reason code.
+    /// Required for attestation detail.
+    /// </summary>
+    public IReadOnlyDictionary<UnknownReasonCode, int> CountsByReason { get; init; }
+        = new Dictionary<UnknownReasonCode, int>();
+
+    /// <summary>
+    /// Cumulative uncertainty score across all unknowns.
+    /// </summary>
+    public double CumulativeUncertainty { get; init; }
 }
 
 /// <summary>

src/Policy/__Libraries/StellaOps.Policy.Unknowns/Services/UnknownBudgetService.cs

@@ -92,6 +92,9 @@ public sealed class UnknownBudgetService : IUnknownBudgetService
             ? null
             : budget.ExceededMessage ?? $"Unknown budget exceeded: {total} unknowns in {normalized}";
 
+        // Calculate cumulative uncertainty from unknown uncertainty factors
+        var cumulativeUncertainty = safeUnknowns.Sum(u => (double)u.UncertaintyFactor);
+
         return new BudgetCheckResult
         {
             IsWithinBudget = isWithinBudget,
@@ -99,7 +102,10 @@ public sealed class UnknownBudgetService : IUnknownBudgetService
             TotalUnknowns = total,
             TotalLimit = budget.TotalLimit,
             Violations = violations,
-            Message = message
+            Message = message,
+            Budget = budget,
+            CountsByReason = byReason,
+            CumulativeUncertainty = cumulativeUncertainty
         };
     }