natal-chartCompute one person's natal chart from an exact birth date, minute, and place — planet positions with sign, house, dignity and retrograde state, the four angles, intra-chart aspects, sect, and the classical lots, written as canonical JSON plus data-only Markdown. Use for 本命盘, 星盘, 出生星图, natal chart, b
natal-readingExplain a natal chart artifact someone already has — what the rising sign shapes, where the sect light sits, which aspects are tight enough to lean on, and what the angles and lots add. Writes a reader report plus an auditable evidence file, and a shareable ink-wash page on request. Use for 解读星盘, 看本
synastry-readingUse when $synastry hands off a JSON v2 artifact, or when someone supplies a synastry-chart schema 2.0 JSON path or object and asks for 合盘解读, interpretation, relationship dynamics, or an evidence-linked Markdown report. Not for legacy TXT, raw birth details, one-person natal charts, recalculation, tr
synastryUse when two people's birth details need an uncertainty-aware JSON v2 synastry calculation, including 合盘, 星盘配对, exact times, bounded time windows, or date-only records. Not for interpreting an existing v2 artifact, legacy TXT, one-person natal charts, transits, forecasts, predictions, or compatibili