{"id":"no-transactional-offset-commit","text":"The partitioned log provides no mechanism to atomically commit consumer offsets together with processing side effects, ruling out exactly-once delivery without external idempotency","truth_value":"IN","source":"entries/2026/05/29/topic-kafka-consumer-offset-semantics.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"no-transactional-offset-commit","truth_value":"IN","reason":"premise"}]}}