gBox v0.1.0

Runnable macOS Apple Silicon build for OpenAI Build Week judges.\n\nDownload and unzip gbox-v0.1.0-macos-arm64.zip, drag gbox.app to Applications, then Control-click it and choose Open on first launch. The app is unsigned and ad-hoc signed; do not disable Gatekeeper globally.\n\nFor a credential-free test, open Test tools and run Deterministic replay.\n\nThe accompanying SHA-256 file can be used to verify the download.