shp
Inspect, explain, validate, and convert ESRI Shapefile datasets, including `.shp/.shx/.dbf/.prj` sidecar requirements, CRS detection, field-name/type limits, encoding problems, multipart geometry issues, and migration guidance to GeoPackage or GeoJSON. Use when the user asks about shapefile, Shapefile, `.shp` files, DBF encoding, PRJ/CRS problems, or batch shapefile cleanup. 中文触发:shapefile、shp、dbf、prj、坐标系丢失、字段截断、编码乱码。