{"id":"watermark-drives-finalization","text":"Windows are never finalized by event processing alone; only `advance_watermark` transitions windows to FINALIZED and emits `AggregationResult`s.","truth_value":"IN","source":"entries/2026/06/05/ad-click-event-aggregation-click_aggregator.md","source_url":"","source_hash":"","justifications":[],"dependents":["dedup-outlives-aggregation-window","watermark-finalization-is-irreversible"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"watermark-drives-finalization","truth_value":"IN","reason":"premise"}]}}