AI comment generator and spreadsheets

The generator reads the transcript and suggests entries that match what the host is saying at that minute. Without a transcript the comments come out generic, and the panel says so plainly. The whole script can also be exported and imported from a spreadsheet in the format time;author;text, with a report of rejected rows.

Note: Importing from a spreadsheet overwrites the existing script entries. Export the current version before uploading a new file.