Set min first post length(maybe other posting setting, not sure) to 0 and you need to customize the new topic’s composer like hide the content editor or build your own one, I think is possible to do what your say.
Set min first post length(maybe other posting setting, not sure) to 0 and you need to customize the new topic’s composer like hide the content editor or build your own one, I think is possible to do what your say.