merge: Campaign LA LA9 - verified installer review-closed

src/AcDream.Launcher.Core/Launching/LauncherInstallRecord.cs

@@ -3,10 +3,24 @@ namespace AcDream.Launcher.Core.Launching;
 /// <summary>
 /// The DAT/pak locations a completed install (LA9) records and every
 /// session-config composition consumes for
-/// <see cref="SessionContentDescriptor"/>. SHA-256/version bookkeeping
-/// for the install record itself is LA9/LA10 scope; this slice only
-/// needs the two paths a session config requires.
+/// <see cref="SessionContentDescriptor"/>. Integrity metadata is launcher-
+/// local: it is verified before this record is admitted to the orchestrator
+/// and is deliberately not copied into the host session-config contract.
 /// </summary>
 public sealed record LauncherInstallRecord(
     string DatDirectory,
-    string PreparedAssetPath);
+    string PreparedAssetPath,
+    string PreparedAssetSha256 = "",
+    long PreparedAssetSize = 0,
+    uint BakeToolVersion = 0)
+{
+    public const int CurrentRecordVersion = 1;
+
+    public int Version { get; init; } = CurrentRecordVersion;
+
+    public bool HasIntegrityMetadata =>
+        !string.IsNullOrEmpty(PreparedAssetSha256)
+        && PreparedAssetSha256.Length == 64
+        && PreparedAssetSize > 0
+        && BakeToolVersion > 0;
+}