Should Postgres JSON types map to DuckDB JSON type?

Hi, thank you for this super useful extension!
I noticed that if I query a JSON or JSONB Postgres column, the type in DuckDB is VARCHAR.
I was wondering if this is intentional, and what's the reasoning behind it.
Since DuckDB has its own JSON type, I intuitively expected that I could directly query Postgres JSON as such within extra conversion.

Thank you.