ast.Node should support move and/or copy at any depth of the tree; not just within arrays

[scr-oath]

If some of the other feature issues are addressed, this may be straightforward to do as a client with a set and delete, but a copy/move (copy with delete of src) would be convenient for reshaping incoming fuzzy json generously into a schema that can parse naturally.

[AsterDY]

Yes, can you introduce your practical scenario