save work

src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Models/UnknownRanking.cs

@@ -156,15 +156,7 @@ public sealed record UnknownItem(
         double score,
         string? proofRef = null)
     {
-        // Extract reasons from context/kind
-        var reasons = unknown.Kind switch
-        {
-            UnknownKind.MissingVex => ["missing_vex"],
-            UnknownKind.AmbiguousIndirect => ["ambiguous_indirect_call"],
-            UnknownKind.NoGraph => ["no_dependency_graph"],
-            UnknownKind.StaleEvidence => ["stale_evidence"],
-            _ => [unknown.Kind.ToString().ToLowerInvariant()]
-        };
+        var reasons = new[] { unknown.Kind.ToString().ToLowerInvariant() };
 
         return new UnknownItem(
             Id: unknown.Id.ToString(),

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

@@ -18,11 +18,14 @@ namespace StellaOps.Unknowns.Core.Services;
 public sealed class NativeUnknownClassifier
 {
     private readonly TimeProvider _timeProvider;
+    private readonly string _createdBy;
 
-    public NativeUnknownClassifier(TimeProvider timeProvider)
+    public NativeUnknownClassifier(TimeProvider timeProvider, string createdBy = "unknowns")
     {
         ArgumentNullException.ThrowIfNull(timeProvider);
+        ArgumentException.ThrowIfNullOrWhiteSpace(createdBy);
         _timeProvider = timeProvider;
+        _createdBy = createdBy;
     }
 
     /// <summary>
@@ -49,7 +52,9 @@ public sealed class NativeUnknownClassifier
             Severity = UnknownSeverity.Medium,
             Context = SerializeContext(context with { ClassifiedAt = now }),
             ValidFrom = now,
-            SysFrom = now
+            SysFrom = now,
+            CreatedAt = now,
+            CreatedBy = _createdBy
         };
     }
 
@@ -82,7 +87,9 @@ public sealed class NativeUnknownClassifier
             Severity = UnknownSeverity.Low,
             Context = SerializeContext(context with { ClassifiedAt = now }),
             ValidFrom = now,
-            SysFrom = now
+            SysFrom = now,
+            CreatedAt = now,
+            CreatedBy = _createdBy
         };
     }
 
@@ -115,7 +122,9 @@ public sealed class NativeUnknownClassifier
             Severity = UnknownSeverity.Low,
             Context = SerializeContext(context with { ClassifiedAt = now }),
             ValidFrom = now,
-            SysFrom = now
+            SysFrom = now,
+            CreatedAt = now,
+            CreatedBy = _createdBy
         };
     }
 
@@ -156,7 +165,9 @@ public sealed class NativeUnknownClassifier
             Severity = severity,
             Context = SerializeContext(context with { ClassifiedAt = now }),
             ValidFrom = now,
-            SysFrom = now
+            SysFrom = now,
+            CreatedAt = now,
+            CreatedBy = _createdBy
         };
     }
 
@@ -184,7 +195,9 @@ public sealed class NativeUnknownClassifier
             Severity = UnknownSeverity.Info,
             Context = SerializeContext(context with { ClassifiedAt = now }),
             ValidFrom = now,
-            SysFrom = now
+            SysFrom = now,
+            CreatedAt = now,
+            CreatedBy = _createdBy
         };
     }
 

src/Unknowns/__Libraries/StellaOps.Unknowns.Core/StellaOps.Unknowns.Core.csproj

@@ -11,5 +11,12 @@
     <Description>Core domain models and abstractions for the StellaOps Unknowns module (bitemporal ambiguity tracking)</Description>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../../../Policy/__Libraries/StellaOps.Policy/StellaOps.Policy.csproj" />
+  </ItemGroup>
 
 </Project>