The stage2-hook auth.json seed is first-boot-only ([ ! -f auth.json ]) to avoid
clobbering rotated refresh tokens on restart. That guard means a container whose
Nous bootstrap session took a terminal invalid_grant (tokens cleared,
providers.nous.last_auth_error.relogin_required stamped) cannot recover from a
restart — it stays unauthenticated until the credential is replaced.
Add a self-heal path: an orchestrator that manages the container supplies a
freshly-issued session via HERMES_AUTH_JSON_REBOOTSTRAP (distinct from the
create-only *_BOOTSTRAP var). On boot, scripts/docker_rebootstrap_nous_session.py
swaps ONLY the providers.nous entry, and ONLY when the on-disk entry is provably
terminal (quarantine marker + no usable tokens). Healthy/rotating/absent/
unparseable auth.json is always a no-op, so the env is safe to leave set across
restarts and never clobbers a good token. Pure stdlib, runs as its own
subprocess, always exits 0 so a re-seed error never fails the boot.
Reuses the same terminal predicate as get_nous_session_validity() so we re-seed
only a session that is genuinely dead.
