The problem is, I would like to have all of it inside node, not below it - for better user experience.
Inserting input and submit button via wysiwyg works fine. Then, I need to use raw jquery ajax command and do everything manually - it should be possible.
So before doing this, I'd like to ask if there is a simpler way?
E.g. ajaxifying webform is documented. So, if the whole webform could be treated as one token, it could be inserted into wysiwyg using token filter inside node content. But webform as a token? - can't find such solution.