{"id":"dmq-delivery-semantics-in-poll","text":"The three delivery modes (at_least_once, at_most_once, exactly_once) are enforced entirely within `poll()` and `commit()`, not in the publish path.","truth_value":"IN","source":"entries/2026/06/05/distributed-message-queue-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":["message-delivery-guarantees-are-consumer-side"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"dmq-delivery-semantics-in-poll","truth_value":"IN","reason":"premise"}]}}