Guards

A side pane showing the main thread and every subagent: model, cost and a progress bar for each, with the overall progress on top

iMessage's sounds: a swoosh when your message is sent, a tone when Claude's reply arrives or Claude asks you something

A side pane listing every file Claude changed this session, with lines added and removed. Click one to open it

Sums up each reply: how long it took, how many tools Claude used, and which files changed by how many lines