The side panel

⌘ J opens a panel on the right of the window with three tabs. It is hidden by default; whichever tab you leave it on is where it opens next time. The three icons at the top switch tabs, and clicking the lit one puts the panel away again.

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Info

Everything tty7 knows about the focused pane, in one column: Hovering a row shows what it can do at the right-hand end of it: Copy on the working directory, the SSH host and the branch, and Reveal in Finder / Open Folder alongside it on a working directory this machine can see. The +N −M counts open the diff overlay, the same click the sidebar’s counts answer to — and the same Settings → Window & Tabs → Open diff preview from sidebar counts turns both of them back into plain text. The ports section is the quickest answer to “what is this pane serving, and where” — the same data tty7 procs prints. A port row copies localhost:PORT, and on a local pane opens it in your browser.

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Source Control

The git panel for the focused pane’s repository, in four groups — Merge Changes, Staged Changes, Changes, Untracked. Write a message, commit, and push without leaving the window. Source control →

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Files

A file tree rooted at the pane’s working directory, with git status decorations on every row and a search box at the top. The search box carries a clear button while there is something in it.

• Click a file to open it in the built-in editor.
• Drag a file out to Finder or Explorer to copy it there.
• Drag files in from the desktop to copy them into the folder under the cursor. A folder row takes them itself, a file row stands in for the folder holding it, and the empty space below the tree means the top of it. Folders come in whole, the executable bit survives, and a name that is already taken is asked about rather than replaced.

Both directions work over a remote workspace too, reading on one machine and writing on the other, up to the size one control frame can carry — past that the panel tells you to use SFTP.

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The editor

⌘ ⇧ E toggles the code panel; clicking a file in the Files tab opens it there. It is a real editor — syntax highlighting, line and column readout, wrap toggle, and a Markdown preview — meant for the edit you would otherwise have opened vim for. Files are watched on disk: a change underneath you is picked up, and closing with unsaved edits asks before discarding them. Files over 4 MB and anything that looks binary are refused with a note rather than opened badly.

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Where it opens

The editor docks beside the terminal, taking half the space between the sidebar and the right panel. The terminal keeps running, stays visible, and stays typeable — click it, read what your agent said, click back. Diffs open in the same column. Drag the divider for any width between a fifth and four fifths of that space — the range document_ratio keeps — or double-click it to cycle a third, a half and two thirds. Document: Third / Half / Two-Thirds Width in the command palette do the same. On a narrow window the terminal’s own floor stops the divider sooner. Right-click the document’s header for Fill window, which is the old full-workspace overlay, unchanged. Document: Fill Window and Document: Dock Beside Terminal in the palette are the same switch. Fill or dock is per tab: read a long file over the whole window in one tab while an agent keeps half of another, and neither moves the other. A fresh tab starts from document_layout in config.json. The width is shared, and persists as document_ratio. A window too narrow to give both the terminal and the document a readable width fills for that file only — widen it and the column comes back, without your setting having changed.