inst/fixtures/place_codec.json is THE SAME FILE as the atlas repo's
tests/fixtures/place_codec.json, byte for byte: the TypeScript side owns the
spec and R must reproduce it, never negotiate with it.
inst/fixtures/place_codec.json is THE SAME FILE as the atlas repo's
tests/fixtures/place_codec.json, byte for byte: the TypeScript side owns the
spec and R must reproduce it, never negotiate with it.