new advisories work and features gaps work

src/__Libraries/StellaOps.Evidence.Bundle/EvidenceBundleBuilder.cs

@@ -12,6 +12,8 @@ public sealed class EvidenceBundleBuilder
     private VexStatusEvidence? _vexStatus;
     private DiffEvidence? _diff;
     private GraphRevisionEvidence? _graphRevision;
+    // Sprint: SPRINT_20260112_008_LB_binary_diff_evidence_models (BINDIFF-LB-002)
+    private BinaryDiffEvidence? _binaryDiff;
 
     public EvidenceBundleBuilder(TimeProvider timeProvider) => _timeProvider = timeProvider ?? throw new ArgumentNullException(nameof(timeProvider));
     public EvidenceBundleBuilder() : this(TimeProvider.System) { }
@@ -24,6 +26,8 @@ public sealed class EvidenceBundleBuilder
     public EvidenceBundleBuilder WithVexStatus(VexStatusEvidence e) { _vexStatus = e; return this; }
     public EvidenceBundleBuilder WithDiff(DiffEvidence e) { _diff = e; return this; }
     public EvidenceBundleBuilder WithGraphRevision(GraphRevisionEvidence e) { _graphRevision = e; return this; }
+    // BINDIFF-LB-002: Add binary diff builder method
+    public EvidenceBundleBuilder WithBinaryDiff(BinaryDiffEvidence e) { _binaryDiff = e; return this; }
 
     public EvidenceBundle Build()
     {
@@ -37,6 +41,8 @@ public sealed class EvidenceBundleBuilder
         if (_vexStatus?.Hash is not null) hashes["vex"] = _vexStatus.Hash;
         if (_diff?.Hash is not null) hashes["diff"] = _diff.Hash;
         if (_graphRevision?.Hash is not null) hashes["graph"] = _graphRevision.Hash;
+        // BINDIFF-LB-002: Include binary diff hash
+        if (_binaryDiff?.Hash is not null) hashes["binaryDiff"] = _binaryDiff.Hash;
 
         return new EvidenceBundle
         {
@@ -48,6 +54,7 @@ public sealed class EvidenceBundleBuilder
             VexStatus = _vexStatus,
             Diff = _diff,
             GraphRevision = _graphRevision,
+            BinaryDiff = _binaryDiff,
             Hashes = hashes.Count > 0 ? EvidenceHashSet.Compute(hashes) : EvidenceHashSet.Empty(),
             CreatedAt = _timeProvider.GetUtcNow()
         };