Delete row 477641 from events

seq 477641
id evt_ad16300dffaf
kind opportunity_tick_summary
ts 2026-04-22T01:03:32.130220+00:00
actor opportunity_daemon
subject_entity_ids []
payload {"artifacts":3,"at":"2026-04-2 ...
source_ref NULL
confidence 0.0
dedupe_key opportunity_tick_summary:otick_e91e40c7cfa4
episode_id NULL
created_at 2026-04-22T01:03:32.130224+00:00
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