Delete row 20780 from events

seq 20780
id evt_dfc0b5ed609d
kind llm_usage
ts 2026-04-11T01:39:28.399057+00:00
actor llm:openai
subject_entity_ids []
payload {"cost_usd":0.000542,"meta":{" ...
source_ref NULL
confidence 0.0
dedupe_key llm_usage:resp_0e550c2ad2be84280069d9a64e03e081949 ...
episode_id NULL
created_at 2026-04-11T01:39:28.399119+00:00
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