Add a provisional post-reveal physical-count commitment for new outcome-changing Basic/Advanced Stone and copied Mirror battles. Keep all original sides sealed until complete and retain matching later typed losses. Preserve legacy, ordinary and invariant-winner timing. Carry the same constraint through card cleanup and native casualty consumers.
Validation: frozen 16 files146/146, types/lint/build and14 original-action/rendered-control programmes; four minimal policies make both owned choices legally. Source timing is explicitly provisional. Wider combinations, assurance and deployed acceptance remain open. No saved-game, reset, restart or deployment operation.
