feat: harden gbrain self-update — smoke test, auto-rollback, daily catch-up - #11
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…tch-up Extracted self-update from the 04:00 nightly into gbrain-selfupdate.sh so it can also run from a new SessionStart hook (gbrain-update-check.py), rate limited once/day — a machine asleep at 04:00 is never more than a day behind. Every update now runs a smoke test (gbrain doctor --fast) after installing; a broken pull auto-rolls back to the previous commit instead of leaving a dead gbrain. Result is written to ~/.gbrain/last-update.json and surfaced as a one-line block in Profile/memory.md (with the new version's top CHANGELOG bullets), only when something actually changed. test-hooks.sh: 25/25 (10 new checks for the two pieces). Claude-Session: https://claude.ai/code/session_01QEFbVY56vJYjVfEkf8Ldww
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Summary
engine/nightly/gbrain-selfupdate.sh, callable from two places: the nightly, and a new SessionStart catch-up hook (gbrain-update-check.py, rate-limited once/day) — a machine asleep at 04:00 is never more than a day behind.gbrain doctor --fast) after install; a broken pull auto-rolls back to the previous commit instead of shipping a deadgbrain.~/.gbrain/last-update.jsonand surfaced as a one-line block inProfile/memory.md(with the new version's top CHANGELOG bullets) — only when something actually changed, no daily noise.Test plan
bash -non every touched/new shell scriptpython3 -m py_compileon the new hook./test-hooks.sh— 25/25 passing, including 10 new checks: no-op when up to date, memory.md block + changelog surfaced on a real update,last-update.jsonstatus, auto-rollback on a failed smoke test, SessionStart daily rate-limitinghttps://claude.ai/code/session_01QEFbVY56vJYjVfEkf8Ldww