Delete row 476191 from events

seq 476191
id evt_d271450b1bc4
kind llm_usage
ts 2026-04-21T23:52:20.462908+00:00
actor llm:openai
subject_entity_ids []
payload {"cost_usd":0.000934,"meta":{" ...
source_ref NULL
confidence 0.0
dedupe_key llm_usage:resp_05c6868896d781c60069e80daf7c648193a ...
episode_id NULL
created_at 2026-04-21T23:52:20.462961+00:00
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