feat: 完善时标与天象几何计算并扩展输出接口

- 新增时标、ΔT 模型、质心时间与 UT1 支持
- 改进日月食、月掩、行星事件及路径边界计算
- 完善恒星三维自行与动态距离传播
- 扩展 SVG、GeoJSON、KML 输出与底层距离换算工具
- 整理中英文手册、示例资源及回归测试

basic/solar_eclipse_rise_set.go

@@ -424,17 +424,17 @@ func (solver solarEclipseSolver) refineRiseSetPhaseJunctionBetweenSamples(
 }
 
 func (solver solarEclipseSolver) riseSetPointsAt(
-	jd float64,
+	jde float64,
 	boundaryPoints int,
 ) map[solarEclipseRiseSetCurveKey][]SolarEclipsePathPoint {
-	return solver.riseSetPointsAtEvaluation(jd, boundaryPoints, solver.magnitudeEvaluationAt(jd))
+	return solver.riseSetPointsAtEvaluation(jde, boundaryPoints, solver.magnitudeEvaluationAt(jde))
 }
 
 func (solver solarEclipseSolver) riseSetCandidatePointsAt(
-	jd float64,
+	jde float64,
 	boundaryPoints int,
 ) map[solarEclipseRiseSetCurveKey][]SolarEclipsePathPoint {
-	return solver.riseSetPointsAtEvaluation(jd, boundaryPoints, solver.magnitudeCandidateEvaluationAt(jd))
+	return solver.riseSetPointsAtEvaluation(jde, boundaryPoints, solver.magnitudeCandidateEvaluationAt(jde))
 }
 
 func (solver solarEclipseSolver) riseSetPointsAtEvaluation(