baby_birth_date is provided → NAMING flow: computes the baby's nakshatra and suggests 12 names with the correct starting syllable.baby_birth_date (required to trigger naming) + optional baby_birth_time, baby_birth_place, baby_birth_latitude, baby_birth_longitude, baby_birth_timezone, baby_gender (M/F).{} (no baby_birth_date).200 - returns request_key (Baby-XXXXX), request_type (naming | timing, echoing which flow ran), and a message. Poll GET /child/result/{request_key}.401 - invalid/expired token409 - a child report of the same type is already pending/processing422 - no spouse in the family list (add Wife/Husband first)