Delete row 19537 from events

seq 19537
id evt_47020d547ec3
kind llm_usage
ts 2026-04-10T20:30:13.415011+00:00
actor llm:openai
subject_entity_ids []
payload {"cost_usd":0.002615,"meta":{" ...
source_ref NULL
confidence 0.0
dedupe_key llm_usage:resp_0ee6cd993c5b26f30069d95dca43548194a ...
episode_id NULL
created_at 2026-04-10T20:30:13.415060+00:00
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