{"worker":"positron-feedback","what":"what a visitor typed into the box beside a demo title, carried over the relay and kept","usage":["POST /arm                             the room comes from the Origin header, never from you","GET  /feedback?room=feedback&last=50","GET  /feedback?room=feedback&slug=mirror","GET  /feedback?room=feedback&format=text","GET  /stats?room=feedback"],"rooms":{"live":"feedback","sandbox":"feedback-dev","decidedBy":"the Origin header, exact match"},"keeps":{"cap":2000,"sandboxKeepMs":86400000,"maxTextBytes":4000},"stores":"the text, an optional name, which page, when, and the build stamp. No address, no user agent, no visitor id"}