Restructure solution layout by module

src/Concelier/__Libraries/StellaOps.Concelier.Merge/Services/ConflictDetailPayload.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+
+namespace StellaOps.Concelier.Merge.Services;
+
+/// <summary>
+/// Canonical conflict detail used to materialize structured payloads for persistence and explainers.
+/// </summary>
+public sealed record ConflictDetailPayload(
+    string Type,
+    string Reason,
+    IReadOnlyList<string> PrimarySources,
+    int PrimaryRank,
+    IReadOnlyList<string> SuppressedSources,
+    int SuppressedRank,
+    string? PrimaryValue,
+    string? SuppressedValue)
+{
+    public static ConflictDetailPayload FromDetail(MergeConflictDetail detail)
+    {
+        ArgumentNullException.ThrowIfNull(detail);
+
+        return new ConflictDetailPayload(
+            detail.ConflictType,
+            detail.Reason,
+            detail.PrimarySources,
+            detail.PrimaryRank,
+            detail.SuppressedSources,
+            detail.SuppressedRank,
+            detail.PrimaryValue,
+            detail.SuppressedValue);
+    }
+
+    public MergeConflictExplainerPayload ToExplainer() =>
+        new(
+            Type,
+            Reason,
+            PrimarySources,
+            PrimaryRank,
+            SuppressedSources,
+            SuppressedRank,
+            PrimaryValue,
+            SuppressedValue);
+}