Changes since v0.4.8
36abae6 docs(changelog): add Railway v0.4.9 notes
b7aa4e2 fix(railway): keep replace mutation guard linear
fb6431e fix(railway): block variable collection replace mutations
eedd7dd docs(changelog): complete v0.4.9 release notes
29d870c test(memory): isolate Codex subprocess HOME
27ac314 fix(config/update): treat falsey DCG_NO_* env values as not-disabling
da1c3a1 docs(release): complete v0.4.9 changelog
bdcbb9b fix(release): keep allowlist import cfg-clean
acf6803 fix(packs/segments): treat redirection ampersands as part of the redirection token, not a command separator
2fd2a60 chore(release): bump to v0.4.9 for env flag semantics
14f1aac fix(output): honor falsey DCG color env values