Fix-ourselves pickup of #3774 (@bambalados). _purge_agent_pycache() before os.execv() in _schedule_restart() so the re-exec'd process recompiles freshly-pulled source — fixes AttributeError on first chat after self-update. Full suite 8180 passed, Codex SAFE, Opus SHIP-IT. Co-authored-by: bambalados <bambalados@users.noreply.github.com>
