Delete row 27993 from events

seq 27993
id evt_e3d2034a61d3
kind llm_usage
ts 2026-04-12T06:51:02.244813+00:00
actor llm:openai
subject_entity_ids []
payload {"cost_usd":0.000548,"meta":{" ...
source_ref NULL
confidence 0.0
dedupe_key llm_usage:resp_0a9ee9ef3b86dbb80069db40d1d8e08194b ...
episode_id NULL
created_at 2026-04-12T06:51:02.244897+00:00
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