"Convert Field type" capability

[Oshyan]

Basically a subset of this, I think?

Add ability to fully edit fields after creation

One thing I’m finding increasingly frustrating is the inability to edit most aspects of Fields after they’re created. Notion seems to be able to handle this much better, even allowing you to convert between field types (e.g. text vs. multi-select) and maintain some of the data. Another common challenge I run into with this is not being able to set the Default Value after creating the Field. Sometimes I realize later that I want a default value, or sometimes I decide to change it after using it …

Though this might be a better feature request since it’s scoped more narrowly.