The popover was invisible because it rendered inside the table's
overflow-x:auto scroll container. FloatingPortal moves it to document.body.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Display spaces, hyphens and other non-letter characters as static cells
instead of input fields, and add separator rows in the grid for
non-alphabetic characters in the main actor's name.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
