로그는 이빨이 없으면 삭아

def gate_stages_logged(delegation_id: int, pipeline: dict) -> tuple:
    """Every required stage has an entry against THIS unit of work.

    Note the filter: entries are matched on the delegation, not on
    the target. A stage logged against the target alone is invisible
    here - which produced a confusing failure where the CLI printed
    success and the gate reported the stage missing. The fix was to
    bind the entry to the session's own claim at write time.
    """
    logged = {e["stage"] for e in fetch_log(delegation_id=delegation_id)
              if e["event"] == "stage_done"}
    missing = [s for s in pipeline["required_stages"] if s not in logged]
    return (not missing, {"missing": missing})


def land(delegation_id: int, force: bool = False):
    """No green verification, no landing."""
    passed = [e for e in fetch_log(delegation_id=delegation_id)
              if e["event"] == "verified" and e["passed"]]
    if not passed and not force:
        raise SystemExit(
            "no passing verification logged on this unit of work - "
            "run it first (--force to override, which is on the record)")
    ...


# The override exists and is itself an event. "Possible but never
# accidental" is the shape to aim for: a guard with no override
# gets removed the first time it is wrong at 2am.