Delete row 6204 from events

seq 6204
id evt_06f3030818b3
kind signal_ingest
ts 2026-04-08T11:34:57.900917+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-08T11:34:02.408 ...
source_ref candidate:sc_a55f4cbd2deaebc0
confidence 0.72
dedupe_key signal_enriched:discovery_unusual_volume_delta:d46 ...
episode_id NULL
created_at 2026-04-08T11:34:57.900971+00:00
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