Four real failures. Three of them are bugs in different layers (idempotency, cache config, SQL safety). ONE of them is the classic "schema-at-the-boundary would have caught it before downstream code ran" failure.
Which one?
Four real failures. Three of them are bugs in different layers (idempotency, cache config, SQL safety). ONE of them is the classic "schema-at-the-boundary would have caught it before downstream code ran" failure.
Which one?