Delete row 19001 from events

seq 19001
id evt_fe1000ab9f2d
kind signal_ingest
ts 2026-04-10T18:49:29.540655+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-10T15:51:15.884 ...
source_ref candidate:sc_622c407e813b9522
confidence 0.78
dedupe_key signal_enriched:discovery_sector_rotation_delta:f6 ...
episode_id NULL
created_at 2026-04-10T18:49:29.540716+00:00
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