step_cards_of
def step_cards_of(mut db: State, pipeline: String, defs: List[StepDef], links: CodeLinks, recent: Bool) -> List[StepCard] Each step's card (orca.ui.step_cards); with recent, what its attempts in the pipeline's latest STEP_RUNS runs did: how many failed, the p50 and most its succeeded ones took, and its peak memory's.