Clean: wai-web-wasm.yml (main's engine test count, 13, beside the train's
platform bundle step and native count), the CHANGELOG (main's entry in main's
quantum section), quantum-studio's main.js, and the wai-rs and joule-moq-room
locks (main's wai-quantum 0.6.16).
Co-Authored-By: Claude Opus 5.5 <[email protected]>