The short answer is no, from my own investigations. Both JXA and OmniFocus for the Web might lead to this kind of feature, though whose to say where it is on the roadmap!
How about creating a today custom perspective and copy the tasks from that perspective to the clipboard. Then manipulate the text in the clipboard to fit your formatting needs. Then paste the newly revised clipboard to the journal?
This sounds like something for AppleScript or Workflow or Keyboard Maestro.