Added
- Structure tab context menu with Copy Name, Copy Definition (SQL), Duplicate, and Delete for columns, indexes, and foreign keys
- Foreign key preview: press Cmd+Enter on a FK cell to see the referenced row in a popover
- Column header: sort ascending/descending and show all hidden columns in context menu
- Data grid: preview and navigate FK references from right-click context menu
- Data grid: add row from right-click on empty space
Fixed
- Oracle: crash when opening views caused by OracleNIO state-machine corruption from concurrent queries, LONG column types, and DBMS_METADATA errors