Column details in suggestion list

Load (async if possible I guess) the column's details and show it as a description.
<img width="527" height="129" alt="Image" src="https://github.com/user-attachments/assets/ed903e91-b142-4cc9-b356-ee41e170ba2f" />
For example here the ">" should appear and show that fk's reftable and other related informations about the column.