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Codeman maintainer 45ca9c347b feat(tiles): the grid is cells, and an empty cell can be any cell

Owner feedback 1: "so the empty tab doesnt always have to be the last
one! so I can move freely around and the empty tab can also be tab nr
4 or 3". This replaces the slot refusal of aecada8c.

grid.cells (a session id or null per cell) is now the one source of
truth; grid.ids is a getter deriving the tiles in reading order, so
everything that only wants the tiled sessions (focus neighbour,
cycling, the load queue's order, the picker, closeSession) is
unchanged. The shape still comes from the tile count and the cap
counts tiles, never empty cells.

- A tile dragged onto an empty cell moves there and leaves its own
  cell empty, nothing else moving (_moveTileToCell, through
  _reorderTiles: no remount, reconnect or reload; only a tile whose
  cell size changed fits). A tiled session's tab does the same; a tab
  of a session not tiled yet joins in the cell it is dropped on. Each
  slot knows its cell and reads "Drop a tab or a tile here".
- Move Tile goes to the adjacent cell: into it when empty, a swap when
  a tile is there (tileCellInDirection).
- Removing a tile leaves its cell empty; adding one takes the first
  empty cell. A shape change goes through fitTileCells: each tile keeps
  its row and column when all fit (2x2 growing to 3x2), else the tiles
  pack in reading order.
- Focus never lands on an empty cell: Alt+Shift+Arrows run over the
  cells, Ctrl+Tab and Alt+[ ] over the tiles.
- codeman:tile-grid stays ids only: its ids are the cells with null for
  an empty one. A reload brings the holes back when the shape is the
  same (a session gone since leaves its cell empty), another shape
  packs, the old packed format reads unchanged, and a followed
  #session= link keeps the holes.

Docs: the spec's as-built bullet (rewritten in place), the wiki's Tile
Grid page and Keyboard Shortcuts, the invariants and CLAUDE.md.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

2026-10-08 03:08:14 +02:00

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Keyboard Shortcuts

Every binding, and how to change them. Ctrl also accepts Cmd on macOS.

Press Ctrl+? in the app for the same list in a floating overlay.

Sessions and tabs

Shortcut	Action
`Ctrl+K` (also `Cmd+K`, `Alt+K`)	Find an open session or start a new one.
`Ctrl+Tab`	Next session.
`Alt+[` / `Alt+]`	Previous / next tab.
`Alt+1` to `Alt+9`	Switch to tab N. Physical keys, so macOS Option layouts work.
`Ctrl+Shift+{` / `Ctrl+Shift+}`	Move the active tab left / right.
`Alt+B`	Collapse / expand the session sidebar, when that layout is on.

Ctrl+W is not a Codeman shortcut: it goes to the terminal, where shells and agent CLIs use it to delete the previous word. Close Session has no key by default; close a session from its tab, or bind a key to it in App Settings → Shortcuts.

Terminal

Shortcut	Action
`Enter`	Send.
`Shift+Enter`	Insert a newline without sending.
`Ctrl+Enter`	Same.
`Ctrl+C`	Copy the selection, or interrupt when nothing is selected.
`Ctrl+Shift+C`	Copy the selection. Never interrupts.
`Ctrl+V`	Paste. An image on the clipboard uploads and pastes its file path instead.
`Ctrl+L`	Clear the terminal.
`Ctrl+Shift+R`	Restore terminal size.
`Ctrl` `+` / `Ctrl` `-`	Font size.
`Shift+Wheel`	Scroll the local buffer, even where the wheel is forwarded to the CLI.
`Shift+drag`	Start a selection in a pane whose mouse events go to the CLI.
Right-click	Copy the selection. With nothing selected the native menu is left alone.
`Ctrl+Z`	Swallowed in agent sessions so a running CLI cannot be suspended. Normal job control in a shell.

Anything you copy is cleaned on the way to the clipboard: each line loses the padding spaces a full-screen program paints across the rest of the row. Leading indentation is left exactly as it is, so indented code, a git log message body and git diff context lines paste back the way they looked on screen. An Alt+drag rectangular selection is copied exactly as it looks, so its columns stay lined up.

Tile grid

Shortcut	Action
`Ctrl+Shift+G`	Open or close the tile grid (needs the Tiles setting on).
`Alt+Shift+Arrows`	Focus the tile to the left, right, above or below.
`Ctrl+Shift+Arrows`	Move the focused tile one place: into an empty slot, or swap.
Drag a tile's header	Move the tile: onto another tile they swap, onto an empty slot it moves there.
`Alt+Shift+Enter`	Zoom the focused tile, or restore the grid.
`Ctrl`+click / `Cmd`+click a tab	Add that session to the grid.
Right-click the Tiles button	Choose which sessions to show as tiles.

While the grid is open, Ctrl+Tab and Alt+[ / Alt+] cycle through the tiles, and the terminal shortcuts above act on the focused tile. Remove Focused Tile has no key by default. See Tile Grid.

Everything else

Shortcut	Action
`Ctrl+Shift+V`	Toggle voice input.
`Ctrl+?`	Shortcut reference overlay.
`Escape`	Close panels and modals.

Rebinding

App Settings → Shortcuts. Bindings live in a registry with per-user overrides, so a rebind is stored as an override on top of the default rather than replacing the table.

Two things are deliberately not rebindable:

Ctrl+C smart copy. The generic dispatch loop calls preventDefault() on every shortcut it handles, and doing that to Ctrl+C would swallow the interrupt when nothing is selected. It is handled separately for that reason.
Escape, which closes whatever is open.

Why some chords behave oddly

The terminal sees keystrokes before the app does. Any chord the app claims has to also be swallowed at the terminal layer, or xterm writes the control byte into the session as well as triggering the action. If you rebind something to a chord the terminal cares about (Ctrl+D, say), expect the CLI to see it too.

Alt+1 through Alt+9 are matched on physical key position rather than the character produced, so macOS Option layouts that produce ¡™£ still switch tabs.

On phones

There is no physical keyboard, so the equivalents live in the keyboard accessory bar: Esc, Ctrl as a one-shot modifier, Tab, arrows, and quick actions. See Mobile Guide.

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