Delete row 1693 from events

seq 1693
id evt_d0669df1e403
kind llm_usage
ts 2026-04-08T00:12:50.329544+00:00
actor llm:openai
subject_entity_ids []
payload {"cost_usd":0.000538,"meta":{" ...
source_ref NULL
confidence 0.0
dedupe_key llm_usage:resp_0c88086682f82a860069d59d80679881938 ...
episode_id NULL
created_at 2026-04-08T00:12:50.329600+00:00
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