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- reader/writer run_job timeout paths fail loudly (writer additionally proven to never mutate the active holder's TERMINAL_CWD override - the fail-open design clobbered it) - waiter whose holder finishes inside the bound still proceeds - bound derivation from HERMES_CRON_TIMEOUT (floor, margin, 0/garbage) The run_job fail-fast test shape follows @necoweb3's #63959. Co-authored-by: dsad <sswdarius@gmail.com>