feat: P1 合盘/星座/问答与测测完整设计包及模拟器取证工具
落地 synastry/star/ask API 与 H5 页面，补齐 cece-frontend-re complete-design 证据文档，并加入 Android 模拟器截图抓取脚本。 Co-authored-by: Cursor <cursoragent@cursor.com>
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jackyu66git
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package synastry
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import (
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"fmt"
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"time"
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"github.com/yuxingu/digital-psychology/apps/api/internal/star/ephemeris"
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"github.com/yuxingu/digital-psychology/apps/api/internal/star/natal"
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)
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// ChartPack holds all synastry chart modes for one pair.
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type ChartPack struct {
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Composite natal.Chart
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Davison natal.Chart
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MarksMe natal.Chart
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MarksOther natal.Chart
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Overlay OverlayChart
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CompositeProgressed natal.Chart
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DavisonProgressed natal.Chart
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MarksProgressed natal.Chart
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AsOf time.Time
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}
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// OverlayHouse is B's planet in A's whole-sign house.
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type OverlayHouse struct {
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PlanetKey string `json:"planet_key"`
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Planet string `json:"planet"`
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Sign string `json:"sign"`
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House int `json:"house"`
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HouseTip string `json:"house_tip"`
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}
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// OverlayChart is the pairing/overlay table.
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type OverlayChart struct {
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HousesA []natal.House `json:"houses_a"`
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Entries []OverlayHouse `json:"entries"`
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Tip string `json:"tip"`
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}
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// BuildCharts computes five main charts + three progressed variants.
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func BuildCharts(a, b natal.Chart, asOf time.Time) (ChartPack, error) {
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if asOf.IsZero() {
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asOf = time.Now().In(time.FixedZone("CST", 8*3600))
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}
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comp := CompositeChart(a, b)
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dav, err := DavisonChart(a, b)
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if err != nil {
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return ChartPack{}, err
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}
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marksMe := MarksChart(dav, a)
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marksOther := MarksChart(dav, b)
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overlay := Overlay(a, b)
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progA, err := ProgressChart(a, asOf)
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if err != nil {
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return ChartPack{}, err
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}
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progB, err := ProgressChart(b, asOf)
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if err != nil {
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return ChartPack{}, err
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}
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compProg := CompositeChart(progA, progB)
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davProg, err := ProgressChart(dav, asOf)
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if err != nil {
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return ChartPack{}, err
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}
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marksProg := MarksChart(davProg, progA)
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return ChartPack{
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Composite: comp, Davison: dav,
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MarksMe: marksMe, MarksOther: marksOther,
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Overlay: overlay,
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CompositeProgressed: compProg,
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DavisonProgressed: davProg,
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MarksProgressed: marksProg,
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AsOf: asOf,
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}, nil
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}
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// CompositeChart midpoints each body longitude (shortest arc); ASC mid of rises.
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func CompositeChart(a, b natal.Chart) natal.Chart {
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lons := map[string]float64{}
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for _, k := range ephemeris.PlanetOrder {
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lons[k] = natal.MidpointLon(natal.BodyLon(a, k), natal.BodyLon(b, k))
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}
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asc := natal.MidpointLon(a.Rise.Lon, b.Rise.Lon)
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lat := (a.Lat + b.Lat) / 2
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lng := midLng(a.Lng, b.Lng)
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ch := natal.ChartFromLons(lons, asc, lat, lng, "组合盘", a.HasTime && b.HasTime, a.HasPlace || b.HasPlace)
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ch.Instant = midTime(a.Instant, b.Instant)
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ch.Note = "组合盘：双方行星黄经中点，看关系整体气质。"
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return ch
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}
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// DavisonChart uses midpoint birth time + midpoint coordinates, then recomputes.
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func DavisonChart(a, b natal.Chart) (natal.Chart, error) {
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inst := midTime(a.Instant, b.Instant)
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lat := (a.Lat + b.Lat) / 2
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lng := midLng(a.Lng, b.Lng)
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ch, err := natal.ComputeAt(inst, lat, lng, "时空盘", true, true)
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if err != nil {
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return natal.Chart{}, err
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}
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ch.Note = "时空盘：出生时刻与坐标中点再排盘，看长期现实走向。"
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return ch, nil
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}
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// MarksChart midpoints each Davison body with a natal chart (我/TA 视角).
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func MarksChart(davison, natalCh natal.Chart) natal.Chart {
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lons := map[string]float64{}
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for _, k := range ephemeris.PlanetOrder {
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lons[k] = natal.MidpointLon(natal.BodyLon(davison, k), natal.BodyLon(natalCh, k))
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}
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asc := natal.MidpointLon(davison.Rise.Lon, natalCh.Rise.Lon)
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ch := natal.ChartFromLons(lons, asc, natalCh.Lat, natalCh.Lng, "马克斯盘", true, true)
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ch.Instant = midTime(davison.Instant, natalCh.Instant)
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ch.Note = "马克斯盘：时空盘与本命中点，看关系中的内在态度。"
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return ch
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}
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// Overlay maps B planets into A's whole-sign houses.
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func Overlay(a, b natal.Chart) OverlayChart {
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ascIdx := natal.SignIndex(a.Rise.Lon)
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tips := houseTips()
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entries := make([]OverlayHouse, 0, len(b.Planets))
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for _, p := range b.Planets {
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if p.Key == "rise" {
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continue
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}
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h := natal.WholeSignHouse(ascIdx, natal.SignIndex(p.Lon))
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tip := tips[h]
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entries = append(entries, OverlayHouse{
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PlanetKey: p.Key, Planet: p.Title, Sign: p.Sign, House: h, HouseTip: tip,
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})
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}
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return OverlayChart{
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HousesA: a.Houses,
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Entries: entries,
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Tip: "配对盘：对方行星落入我方整宫制宫位，提示生活领域互动。",
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}
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}
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// ProgressChart applies secondary progression (1 day ≈ 1 year) from chart.Instant to asOf.
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func ProgressChart(ch natal.Chart, asOf time.Time) (natal.Chart, error) {
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if ch.Instant.IsZero() {
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return ch, nil
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}
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years := asOf.UTC().Sub(ch.Instant).Hours() / 24.0 / 365.24219
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if years < 0 {
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years = 0
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}
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// Add whole days to avoid time.Duration overflow/precision issues for large ages.
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days := int(years + 0.5)
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progUTC := ch.Instant.AddDate(0, 0, days)
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out, err := natal.ComputeAt(progUTC, ch.Lat, ch.Lng, ch.PlaceLabel+"·次限", ch.HasTime, ch.HasPlace)
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if err != nil {
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return natal.Chart{}, err
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}
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out.Note = fmt.Sprintf("次限推运至 %s（约 %.1f 年）。", asOf.Format("2006-01-02"), years)
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return out, nil
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}
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func midTime(a, b time.Time) time.Time {
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if a.IsZero() && b.IsZero() {
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return time.Time{}
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}
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if a.IsZero() {
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return b
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}
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if b.IsZero() {
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return a
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}
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return a.Add(b.Sub(a) / 2)
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}
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func midLng(a, b float64) float64 {
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// Geographic mean (CN MVP; both births typically East Asia).
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return (a + b) / 2
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}
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func houseTips() map[int]string {
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return map[int]string{
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1: "自我与第一印象", 2: "资源与安全感", 3: "沟通与日常", 4: "家庭与根基",
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5: "恋爱表达与创造", 6: "协作与健康节奏", 7: "一对一关系", 8: "深度与共享",
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9: "视野与信念", 10: "事业与对外形象", 11: "社群与愿景", 12: "内在与疗愈",
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}
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}
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func chartSummaryOut(c natal.Chart, tip string) map[string]any {
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asp := natal.Aspects(c)
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aspMaps := natal.AspectsAsMaps(asp)
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previewN := 4
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if len(aspMaps) < previewN {
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previewN = len(aspMaps)
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}
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t := tip
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if t == "" {
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t = c.Note
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}
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return map[string]any{
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"asc_lon": c.Rise.Lon,
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"planets": bodiesOut(c),
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"houses": housesOut(c),
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"note": c.Note,
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"place": c.PlaceLabel,
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"tip": t,
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"aspects_preview": aspMaps[:previewN],
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"sun": c.Sun.Sign,
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"moon": c.Moon.Sign,
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"rise": c.Rise.Sign,
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}
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}
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func overlayOut(o OverlayChart) map[string]any {
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entries := make([]map[string]any, 0, len(o.Entries))
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for _, e := range o.Entries {
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entries = append(entries, map[string]any{
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"planet_key": e.PlanetKey, "planet": e.Planet, "sign": e.Sign,
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"house": e.House, "house_tip": e.HouseTip,
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})
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}
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return map[string]any{
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"tip": o.Tip, "entries": entries, "houses_a": housesOut(natal.Chart{Houses: o.HousesA}),
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}
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}
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