Delete row 329606 from events

seq 329606
id evt_7f12f35af4e1
kind signal_ingest
ts 2026-04-19T18:24:28.541773+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-19T18:00:49.459 ...
source_ref candidate:sc_972619f8f451343c
confidence 0.42
dedupe_key signal_enriched:news_delta:e5ed4bfeb904a245
episode_id NULL
created_at 2026-04-19T18:24:28.541823+00:00
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