{"service":"personality","description":"Deterministic multi-framework birth-chart computation: western natal astrology, Vedic (sidereal) positions, Chinese BaZi, Pythagorean numerology, a neutral I-Ching bodygraph and biorhythms — one call, cited JSON, no LLM and no paid upstream.","frameworks":{"western":"Tropical planets/signs/degrees, Whole-Sign houses, Asc/MC angles, Ptolemaic major aspects.","vedic":"Sidereal longitudes via Lahiri ayanamsa; rashi, nakshatra and pada.","chinese":"BaZi Four Pillars + zodiac animal/element via the sexagenary cycle and solar-term boundaries.","numerology":"Pythagorean Life Path (date) plus Expression/Soul Urge/Personality when a name is given.","bodygraph":"I-Ching gate/line/center/channel activations (personality + design) with neutral terminology.","biorhythm":"Physical/emotional/intellectual sine cycles (23/28/33 days)."},"ephemeris":{"library":"pymeeus (MIT)","series":"VSOP87 planets, ELP2000 Moon","accuracy":"Sun ~1 arcsec, Moon ~10 arcsec, planets arc-minute — finer than every framework bin (30deg sign, 0.9375deg bodygraph line)."},"ayanamsa":{"system":"Lahiri","model":"23.85deg at J2000 + 50.2388 arcsec/yr"},"input_contract":{"required":["date (YYYY-MM-DD)"],"optional":["time (HH:MM)","place OR lat+lon","tz (IANA) OR utc_offset","name","as_of (YYYY-MM-DD, biorhythm)"],"no_time_mode":"Without time, planet longitudes use 12:00 UT and angles/houses and the exact Moon degree are flagged unavailable, never fabricated."},"geocoding":"OpenStreetMap Nominatim (ODbL), reused from the weather service.","attribution":["Ephemeris: VSOP87 (planets) / ELP2000 (Moon) via pymeeus (pure-python, MIT).","Geocoding: OpenStreetMap Nominatim (ODbL) — reused from the weather service.","Timezones: IANA tz database via Python zoneinfo/tzdata."],"brand_disclaimer":"The bodygraph facet returns only computed I-Ching gate/center/channel structure with neutral terms. It is NOT the 'Human Design System' (a trademark of Jovian Archive), uses none of its proprietary interpretive text, and is neither affiliated with nor endorsed by it. The hexagram-to-zodiac mapping is astronomical fact.","disclaimer":"Deterministic astronomical + calendrical computation for entertainment and self-reflection. Not scientific or predictive advice. Bodygraph output is a neutral computed structure, not affiliated with any branded system."}