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

moon/max_declination.go

@@ -68,11 +68,11 @@ func convertMaximumDeclinationInfo(date time.Time, event basic.DeclinationEvent)
 		location = date.Location()
 	}
 	return MaximumDeclinationInfo{
-		Time:        basic.JDE2DateByZone(event.JDE, location, false),
+		Time:        basic.JD2DateByZone(event.JD, location, false),
 		Declination: event.Declination,
 	}
 }
 
 func timeToUTJDE(date time.Time) float64 {
-	return basic.Date2JDE(date.UTC())
+	return basic.Date2JD(date.UTC())
 }