{"id":"stream-join-no-stream-validation","text":"The processor does not validate that an event's `stream_name` matches either configured stream; an unknown stream name is silently treated as the right stream via `_is_left` returning `False`","truth_value":"IN","source":"entries/2026/05/29/stream-join-processor-stream_join_processor.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"stream-join-no-stream-validation","truth_value":"IN","reason":"premise"}]}}