Fig 5What changedTurn the crank, or tap a fileRead from macbook's working tree
added and removed lines, against HEADonly git's text output crosses, one exec a reada path:line for your draft; Send stays yoursWorking → Idle: one read, 300 ms laterChanges shows the Checkout an Agent is in, its uncommitted files against HEAD as git on the Host reads them, the same for every Agent in that Checkout. Each read is one SSH exec, run on open, on pull to refresh, or 300 ms after the Agent it was opened from leaves Working, and a file's diff is read only when you tap it. Nothing in Changes stages, commits or discards; Insert Line Reference only puts a path and line into your draft.