Spatial phase I: Layer#370

Draft

teunbrand wants to merge 24 commits intoposit-dev:mainfrom

teunbrand:spatial_start

Commits on Apr 23, 2026

Allow arbitrary SQL setup statements (INSTALL, LOAD, SET, etc.)

teunbrand
and
claude
committed
Merge branch 'main' into spatial_start
teunbrand
committed
refactor(reader): replace ColumnBuilder with direct Arrow export via query_arrow

teunbrand
and
claude
committed

Commits on Apr 24, 2026