Delete row 8909 from events

seq 8909
id evt_1d96d3aed6e4
kind signal_ingest
ts 2026-04-09T22:37:08.922405+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-08T19:57:42.365 ...
source_ref candidate:sc_5b83c60b03545022
confidence 0.78
dedupe_key signal_enriched:discovery_sector_rotation_delta:69 ...
episode_id NULL
created_at 2026-04-09T22:37:08.922445+00:00
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