Deal observers

You can now bring a trusted partner into one of your escrow deals as a read-only observer. Invite them by username, and once the other party approves they can follow the chat and deal status in real time — without being able to send messages or change anything. Each side can add one observer, and the person who invited an observer can remove them at any time. Connecting Discord for notifications also got simpler — no code or /link command; you authorize Automint and add the notifier bot in two quick steps, and the panel confirms delivery on its own.