release orchestrator v1 draft and build fixes

src/Scanner/__Libraries/StellaOps.Scanner.ChangeTrace/Models/ByteDelta.cs

@@ -0,0 +1,51 @@
+using System.Text.Json.Serialization;
+
+namespace StellaOps.Scanner.ChangeTrace.Models;
+
+/// <summary>
+/// Byte-level change delta (rolling hash window granularity).
+/// </summary>
+public sealed record ByteDelta
+{
+    /// <summary>
+    /// Scope of this delta: always "byte" for byte deltas.
+    /// </summary>
+    [JsonPropertyName("scope")]
+    public string Scope { get; init; } = "byte";
+
+    /// <summary>
+    /// Byte offset where the change begins.
+    /// </summary>
+    [JsonPropertyName("offset")]
+    public required long Offset { get; init; }
+
+    /// <summary>
+    /// Size of the changed region in bytes.
+    /// </summary>
+    [JsonPropertyName("size")]
+    public required int Size { get; init; }
+
+    /// <summary>
+    /// Rolling hash of the "before" bytes.
+    /// </summary>
+    [JsonPropertyName("fromHash")]
+    public required string FromHash { get; init; }
+
+    /// <summary>
+    /// Rolling hash of the "after" bytes.
+    /// </summary>
+    [JsonPropertyName("toHash")]
+    public required string ToHash { get; init; }
+
+    /// <summary>
+    /// Binary section containing this change (e.g., ".text", ".data").
+    /// </summary>
+    [JsonPropertyName("section")]
+    public string? Section { get; init; }
+
+    /// <summary>
+    /// Optional context description for this change.
+    /// </summary>
+    [JsonPropertyName("context")]
+    public string? Context { get; init; }
+}