Expose min_distance on TPoint#83
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Adds a TPoint.min_distance(other) instance method that returns the minimum spatial distance between the temporal point and other, ignoring time. For static geometry it dispatches to nad_tgeo_geo since the spatial-min and time-synchronous nearest-approach coincide when one side has no time dimension; for TPoint arguments it dispatches to mindistance_tgeo_tgeo with threshold = inf so the kernel returns the exact min without short-circuit. Mirrors the MobilityDB SQL surface added in #1007 where minDistance(tgeompoint, geometry) aliases to NAD_tgeo_geo and minDistance(tgeompoint, tgeompoint) is the 2-ary aggregate that degenerates to the per-pair value on a one-row group.
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Adds a TPoint.min_distance(other) instance method that returns the minimum spatial distance between the temporal point and other, ignoring time. For static geometry it dispatches to nad_tgeo_geo since the spatial-min and time-synchronous nearest-approach coincide when one side has no time dimension; for TPoint arguments it dispatches to mindistance_tgeo_tgeo with threshold = inf so the kernel returns the exact min without short-circuit. Mirrors the MobilityDB SQL surface added in #1007 where minDistance(tgeompoint, geometry) aliases to NAD_tgeo_geo and minDistance(tgeompoint, tgeompoint) is the 2-ary aggregate that degenerates to the per-pair value on a one-row group. Stacked on the MEOS 1.4 bump and on PyMEOS-CFFI feat/mindistance-bindings which the test workflow auto-discovers via the matching head-ref name.