feat: 完善日月食与月掩几何链路并扩展历法接口
- 新增日月食中心带、偏食带、阴影足迹、等时线、食分线及升落边界计算,支持极区与混合食拓扑 - 新增日食单时刻阴影求解器、站心状态查询、批量采样和 ΔT 覆盖接口 - 重构恒星与行星月掩路径,补充有限盘面接触、站心修正、掩带宽度、极区投影及升落边界 - 扩展 SVG 与 GeoJSON 输出,支持详细面板、全球/极区/地球投影、边界闭合、时间标记和拓扑签名 - 扩展日月食候选搜索、局地搜索、沙罗序列预计算与范围外推,补充系列锚点和成员一致性校验 - 补齐古历纪年、儒略历独有闰日、多公历候选、历法改革跨日及精确日期运算接口 - 优化 ΔT、章动、恒星时、月球地平线、事件根搜索和本地星历缓存,降低重复计算开销并提升边界稳定
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@@ -111,11 +111,11 @@ func lunarEclipseDiagram(
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result.StepDays = stepDays
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result.Points = make([]LunarEclipseDiagramPoint, 0, len(times))
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for _, item := range times {
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state := computeLunarShadowState(item.jde, shadowModel)
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plane := lunarEclipsePlaneStateAt(item.jde)
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result.Points = append(result.Points, LunarEclipseDiagramPoint{
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JDE: item.jde,
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X: state.x / maximumState.moonRadiusRad,
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Y: state.y / maximumState.moonRadiusRad,
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X: plane.x / maximumState.moonRadiusRad,
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Y: plane.y / maximumState.moonRadiusRad,
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Label: lunarEclipseDiagramPrimaryLabel(item.labels),
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Labels: append([]string(nil), item.labels...),
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})
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@@ -136,7 +136,7 @@ func normalizeLunarEclipseDiagramOptions(options LunarEclipseDiagramOptions) Lun
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func lunarEclipseDiagramTimes(eclipse LunarEclipseResult, stepDays float64) ([]lunarEclipseDiagramTime, float64) {
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startJDE := eclipse.PenumbralStart
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endJDE := eclipse.PenumbralEnd
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if startJDE == 0 || endJDE == 0 || endJDE <= startJDE {
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if !isFiniteFloat(startJDE) || !isFiniteFloat(endJDE) || endJDE <= startJDE {
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return nil, stepDays
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}
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@@ -181,7 +181,7 @@ func uniqueLunarEclipseDiagramTimes(times []lunarEclipseDiagramTime) []lunarEcli
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unique := times[:0]
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for _, item := range times {
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if item.jde == 0 {
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if !isFiniteFloat(item.jde) {
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continue
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}
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if len(unique) == 0 || math.Abs(item.jde-unique[len(unique)-1].jde) > lunarEclipseDiagramDuplicateDays {
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