save work

src/Policy/StellaOps.Policy.Engine/Scoring/Engines/ProofAwareScoringEngine.cs

@@ -184,7 +184,8 @@ public sealed class ProofAwareScoringEngine : IScoringEngine
         using var sha256 = System.Security.Cryptography.SHA256.Create();
 
         var inputString = $"{input.FindingId}:{input.TenantId}:{input.ProfileId}:{input.AsOf:O}";
-        foreach (var kvp in input.InputDigests?.OrderBy(x => x.Key) ?? [])
+        foreach (var kvp in input.InputDigests?.OrderBy(x => x.Key)
+                     ?? Enumerable.Empty<System.Collections.Generic.KeyValuePair<string, string>>())
         {
             inputString += $":{kvp.Key}={kvp.Value}";
         }

src/Policy/StellaOps.Policy.Engine/Scoring/ScoringEngineFactory.cs

@@ -57,7 +57,7 @@ public sealed class ScoringEngineFactory : IScoringEngineFactory
     /// </summary>
     public IScoringEngine GetEngine(ScoringProfile profile)
     {
-        var engine = profile switch
+        IScoringEngine engine = profile switch
         {
             ScoringProfile.Simple => _services.GetRequiredService<SimpleScoringEngine>(),
             ScoringProfile.Advanced => _services.GetRequiredService<AdvancedScoringEngine>(),