synergy moats product advisory implementations

src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Hints/ProvenanceHintBuilder.cs

@@ -86,9 +86,10 @@ public sealed partial class ProvenanceHintBuilder : IProvenanceHintBuilder
     {
         var bestMatch = matches?.OrderByDescending(m => m.Similarity).FirstOrDefault();
         var confidence = bestMatch?.Similarity ?? 0.3;
+        var fingerprintPrefix = fingerprint.Length <= 12 ? fingerprint : fingerprint[..12];
         var hypothesis = bestMatch is not null
             ? $"Import table matches {bestMatch.Package} {bestMatch.Version} ({bestMatch.Similarity:P0} similar)"
-            : $"Import fingerprint {fingerprint[..12]}... ({importedLibraries.Count} imports)";
+            : $"Import fingerprint {fingerprintPrefix}... ({importedLibraries.Count} imports)";
 
         return new ProvenanceHint
         {
@@ -321,7 +322,7 @@ public sealed partial class ProvenanceHintBuilder : IProvenanceHintBuilder
         // If we have multiple high-confidence hints that agree, boost confidence
         var agreeing = sorted
             .Where(h => h.Confidence >= 0.5)
-            .GroupBy(h => ExtractPackageFromHypothesis(h.Hypothesis))
+            .GroupBy(GetAgreementKey)
             .OrderByDescending(g => g.Count())
             .FirstOrDefault();
 
@@ -351,7 +352,7 @@ public sealed partial class ProvenanceHintBuilder : IProvenanceHintBuilder
     {
         return confidence switch
         {
-            >= 0.9 => HintConfidence.VeryHigh,
+            >= 0.85 => HintConfidence.VeryHigh,
             >= 0.7 => HintConfidence.High,
             >= 0.5 => HintConfidence.Medium,
             >= 0.3 => HintConfidence.Low,
@@ -359,6 +360,45 @@ public sealed partial class ProvenanceHintBuilder : IProvenanceHintBuilder
         };
     }
 
+    private static string GetAgreementKey(ProvenanceHint hint)
+    {
+        var evidence = hint.Evidence;
+        var key = evidence.BuildId?.MatchedPackage
+                  ?? BestMatchPackage(evidence.ImportFingerprint?.MatchedFingerprints)
+                  ?? BestMatchPackage(evidence.SectionLayout?.MatchedLayouts)
+                  ?? ExtractPackageFromVersion(evidence.VersionString?.BestGuess)
+                  ?? ExtractPackageFromVersion(evidence.CorpusMatch?.MatchedEntry)
+                  ?? ExtractPackageFromHypothesis(hint.Hypothesis);
+
+        return string.IsNullOrWhiteSpace(key) ? hint.Hypothesis : key;
+    }
+
+    private static string? BestMatchPackage(IReadOnlyList<FingerprintMatch>? matches)
+    {
+        return matches is null || matches.Count == 0
+            ? null
+            : matches.OrderByDescending(m => m.Similarity).First().Package;
+    }
+
+    private static string? BestMatchPackage(IReadOnlyList<LayoutMatch>? matches)
+    {
+        return matches is null || matches.Count == 0
+            ? null
+            : matches.OrderByDescending(m => m.Similarity).First().Package;
+    }
+
+    private static string? ExtractPackageFromVersion(string? value)
+    {
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            return null;
+        }
+
+        var trimmed = value.Trim();
+        var token = trimmed.Split([' ', '/', '\t'], StringSplitOptions.RemoveEmptyEntries).FirstOrDefault();
+        return string.IsNullOrWhiteSpace(token) ? null : token;
+    }
+
     private static string ComputeLayoutHash(IReadOnlyList<SectionInfo> sections)
     {
         var normalized = string.Join("|",

src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Services/NativeUnknownClassifier.cs

@@ -119,7 +119,7 @@ public sealed class NativeUnknownClassifier
             SubjectType = UnknownSubjectType.Binary,
             SubjectRef = context.UnresolvedImport,
             Kind = UnknownKind.UnresolvedNativeLibrary,
-            Severity = UnknownSeverity.Low,
+            Severity = UnknownSeverity.Medium,
             Context = SerializeContext(context with { ClassifiedAt = now }),
             ValidFrom = now,
             SysFrom = now,
@@ -251,6 +251,7 @@ public sealed class NativeUnknownClassifier
 /// <summary>
 /// Source-generated JSON context for NativeUnknownContext serialization.
 /// </summary>
+[System.Text.Json.Serialization.JsonSourceGenerationOptions(PropertyNamingPolicy = System.Text.Json.JsonKnownNamingPolicy.CamelCase)]
 [System.Text.Json.Serialization.JsonSerializable(typeof(NativeUnknownContext))]
 internal partial class NativeUnknownContextJsonContext : System.Text.Json.Serialization.JsonSerializerContext
 {