Show filter while selecting elements like in Safari macOS
This would allow users to decide whether to add the rule or not (because websites are designed such nowadays that filters added do not always work), and whether to modify the rule before adding.
Are you talking about implementing a text field that displays the syntax of the rule being created? Please explain exactly what you mean. Ideally, attach a screenshot of this design.
Are you talking about implementing an analogue of the "Preview" button? Please clarify exactly what you mean.
Yes.
This lets me view the rule before being added and modify it if required.
But the Preview button already exists in iOS AdGuard.
I was thinking of entire rule preview. What is shown is not sufficient enough (at least for me).