{"action":"buy_spot","cloud":"aws","region":"us-east-1","availability_zone":"us-east-1a","instance_type":"t3.medium","spot_price_usd":0.0153,"on_demand_price_usd":0.0416,"discount_pct":63.22,"confidence":0.85,"ttl_minutes":0,"suppressed_last_6h":284,"signal_id":"3a23b0bd-536f-4f81-b6a8-7040421242d8","refreshed_at":"2026-06-29T03:24:04.274754Z","_note":"suppressed_last_6h = signals detected but held back. RefineX fires fewer, better signals."}