engine: macОS arm64 editor build (godot 4.6.3 fork, mono)

Built on Kraken with Xcode 26.3. Binary via LFS. First artifact in the builds repo.

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

README.md

@@ -1,3 +1,11 @@
-# builds
+# tinqs/builds
 
-Build artifacts (engine editor binaries, exports). Binaries via LFS/releases.
+Build artifacts for the Tinqs stack — engine editor binaries and game exports.
+**Binaries are stored via Git LFS** (see `.gitattributes`). Source lives in `tinqs/engine`,
+`tinqs/ariki-game`, `tinqs/ariki-sim`. See `manifest.json` for what's here.
+
+Long-term plan: CI (Gitea Actions) builds on push and publishes here / to S3 — see
+`docs/ai/plans/build-pipeline-architecture-2026-06-07.md`.
+
+## Current contents
+- `engine/macos-arm64/tinqs.macos.editor.arm64.mono` — Godot 4.6.3 fork editor (mono), built on Kraken with Xcode 26.3.