part #2

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

@@ -0,0 +1,42 @@
+namespace StellaOps.Evidence.Bundle;
+
+/// <summary>
+/// Semantic diff summary.
+/// </summary>
+public sealed class BinarySemanticDiff
+{
+    /// <summary>
+    /// Previous semantic fingerprint hash.
+    /// </summary>
+    public string? PreviousFingerprint { get; init; }
+
+    /// <summary>
+    /// Current semantic fingerprint hash.
+    /// </summary>
+    public string? CurrentFingerprint { get; init; }
+
+    /// <summary>
+    /// Overall semantic similarity (0.0-1.0).
+    /// </summary>
+    public double Similarity { get; init; }
+
+    /// <summary>
+    /// Number of semantically identical functions.
+    /// </summary>
+    public int IdenticalFunctions { get; init; }
+
+    /// <summary>
+    /// Number of semantically similar functions.
+    /// </summary>
+    public int SimilarFunctions { get; init; }
+
+    /// <summary>
+    /// Number of semantically different functions.
+    /// </summary>
+    public int DifferentFunctions { get; init; }
+
+    /// <summary>
+    /// IR normalization recipe version used.
+    /// </summary>
+    public string? NormalizationRecipe { get; init; }
+}