save progress

src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Builders/IFunctionFingerprintExtractor.cs

@@ -1,3 +1,5 @@
+using StellaOps.BinaryIndex.Semantic;
+
 namespace StellaOps.BinaryIndex.Builders;
 
 /// <summary>
@@ -109,6 +111,12 @@ public sealed record FunctionFingerprint
     /// Source line number if debug info available.
     /// </summary>
     public int? SourceLine { get; init; }
+
+    /// <summary>
+    /// Semantic fingerprint for enhanced similarity comparison.
+    /// Uses IR-level analysis for resilience to compiler optimizations.
+    /// </summary>
+    public Semantic.SemanticFingerprint? SemanticFingerprint { get; init; }
 }
 
 /// <summary>