Delete row 19017 from events

seq 19017
id evt_f196447f0216
kind llm_usage
ts 2026-04-10T18:50:20.970673+00:00
actor llm:openai
subject_entity_ids []
payload {"cost_usd":0.000635,"meta":{" ...
source_ref NULL
confidence 0.0
dedupe_key llm_usage:resp_00ecb29223e564410069d9466a390481948 ...
episode_id NULL
created_at 2026-04-10T18:50:20.970734+00:00
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