engine(macos-arm64): fresh local build de00a30 (post history-squash) + manifest

Locally-built (pipeline not yet trusted) editor mono binary from the clean squashed-history engine
(de00a306c). Replaces the pre-squash 01413b2 binary. sha256 1dd8fbad…. .NET assemblies + Terrain3D
addon come from the game project.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

manifest.json

@@ -2,14 +2,16 @@
   "engine": {
     "macos-arm64": {
       "binary": "engine/macos-arm64/tinqs.macos.editor.arm64.mono",
-      "version": "4.6.3.stable.mono",
+      "version": "4.6.3.stable.mono.custom_build.de00a306c",
       "engine_repo": "tinqs/engine",
-      "engine_commit": "01413b2",
+      "engine_commit": "de00a30",
+      "sha256": "1dd8fbad55d07d20daf040dd790669893ece9783569e5060273ece33e4b68441",
       "target": "editor",
-      "built_on": "2026-06-08",
+      "built_on": "2026-06-09",
+      "built_by": "Kraken (local build — pipeline not yet trusted/verified)",
       "toolchain": "Xcode 26.3 (Apple clang 17)",
       "scons_flags": "platform=macos target=editor arch=arm64 module_mono_enabled=yes vulkan",
-      "note": "Editor binary only. .NET assemblies (GodotSharp) built separately. Run with the existing game .pck."
+      "note": "Editor binary only, built from the squashed-history engine (de00a30). .NET assemblies (GodotSharp) + the Terrain3D addon are provided by the game project. Run with the existing ariki-game project."
     }
   }
 }