This is a placeholder body generated by the flow_automation runner stub. Replace generate() with the brightsites-ai Worker call. Facts: {"location_name":"Abergavenny","postcode":"NP7 5NQ","observed_at":"2026-07-08","day_name":"Wednesday","temperature_c":29.9,"feels_like_c":29.2,"condition":"Sunny day","wind_mph":7,"precipitation_probability":5,"warnings":[]}