docs: add changeset for installer migration phase two

This commit is contained in:
Tom Boucher
2026-05-10 23:10:10 -04:00
parent 3943146484
commit 9889d0a9aa

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type: Added
pr: 3399
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**Installer migrations now handle legacy Codex hooks cleanup transactionally** - GSD-owned hooks.json entries are removed through the migration runner with runtime filtering, rollback, and checksum drift protection.