-- The input queue is `work_items` (migration 003), and it is durable: an input's claim lives in
-- its work item's status and attempt, so it survives a restart.
--
-- `inbox` was the first attempt at that queue. It had no 'claimed' status, so claims had to live in
-- the daemon process's memory, where a restart silently turned a claimed input back into an
-- unclaimed one. Nothing reads the table any more; dropping it makes the single queue the only
-- possible source of truth.
DROP TABLE IF EXISTS inbox;