display the derived low-res datasets in the catalog UI, simple and fast to load; original (huge) assets are never rendered live. - Show vector derivatives on the record detail page map, served by Martin from PostGIS - Show raster minis once #145 settles their storage (candidates: PMTiles served by Martin, a small PNG + bbox as a MapLibre image source, postgis raster?). - Optionally fill the grey placeholder rectangle on list cards with a thumbnail.
display the derived low-res datasets in the catalog UI, simple and fast to load; original (huge) assets are never rendered live.