{"id":"derived-system-consistency-requires-flush-and-old-values","text":"Derived systems (secondary indexes, materialized views) require two independent conditions for consistency: explicit flush to make mutations visible, and CDC old-value capture to remove stale index entries — either condition failing silently produces stale reads.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"derived-system-consistency-requires-flush-and-old-values","truth_value":"IN","reason":"premise"}]}}