Rule 19 grant (GStack Minder) for one merge. carve-guards keeps sizeLedger for
ship; main's maxSizeRatio 1.7529 re-pin (#3497) moved verbatim to the top of
test/size-ledger/ship/HISTORY.md. base.json re-measured on the merged tree:
329,024 union bytes. CHANGELOG released entries are main's byte for byte.
Co-authored-by: capy-ai[bot] <230910855+capy-ai[bot]@users.noreply.github.com>