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A name typed into the create form was sent as `WorkspaceRename` the moment the window switched — before the workspace existed on the machine to be renamed. The machine answered `NotFound`, `unsendable` logged it at debug and dropped it, and the create that ran afterwards named the workspace whatever codename it rolled. Nothing replays it: the next sync diffs tabs, not names. It flashed on screen first, because `fire_workspace_op` notes the op in the mirror before sending it, so the name appeared and then reverted. The name now travels with the create instead of chasing it. It is parked on the window's sync state by `name_new_workspace` and spent by whichever create runs — `pull_workspace`, which is the one `switch_workspace` actually reaches, and `pull_or_create`, which races it (both create when the tree they read did not hold the workspace yet, as the `Err` arm of `pull_workspace` already described). Both read it inside their spawned task rather than before it: a window orders its pull first and is named second, so anything read earlier is still empty. `settle_chosen_name` arbitrates against what the machine answers. A name it read back was spent by the create. One it did not means the create never ran — the workspace was already there — so it goes out as the rename it has become. A window that chose no name still reads whatever the machine says, which is what #604 fixed. Also covers the abort #618 fixed a commit ago. That fix is right and is left as it is; it landed without a test, and `tabs_on_screen` opening with `if !cx.has_global::<WindowRegistry>()` is why the whole suite passed over the read below it — no test installs a registry. The test here installs one, which is what `WindowRegistry::register` is no longer private for, and fails with an abort against the code as it stood before #618. Six tests, each confirmed to fail without the change it guards. Not verified end to end: there is no fake control client in the tree, so what `WorkspaceCreate` carries over the wire is covered by reasoning and unit tests only.
tty7
A terminal workbench: persistent sessions, remote work, agents.
Pure Rust · GPU rendering on Zed's gpui · VT core from Alacritty
English · 简体中文
Why
- Performance — ~2× the throughput of Alacritty, Ghostty, or Kitty (benchmarks)
- Persistent sessions — quit or reboot; your shells and supported agent sessions keep running, no tmux
- Editor-grade input — suggestions, completion, highlighting, history search
- Remote development — files, repos, panes, and git data stay on the remote machine
- Native SSH — profiles, SFTP, port forwarding, and jump hosts
- Agent-aware — Claude Code, Codex & co.: status, notifications, git context
- CLI + Skills — agents create panes, run commands, and inspect output
Install
Native builds for each platform on Releases:
| macOS | …-macos-arm64.dmg · …-x86_64.dmg |
drag into Applications |
| Windows | …-setup.exe · portable ….zip |
|
| Linux | …-x86_64.AppImage |
chmod +x and run — X11/Wayland libraries bundled |
What's inside
| Editor-grade input | ghost suggestions from history · explained tab completion · syntax highlighting · multi-line editing · click places the caret · ⌃ R fuzzy history |
| Window | tabs & splits · ⌘ P palette · ⌘ F scrollback search · nine themes · IME |
| Agent-aware | per-pane detection (18 CLIs): status dot · notifications · branch + diff · resume after reboot · tray icon when input is needed |
| Remote workspaces | remote files, repos, changes, diffs, worktrees, tabs, and panes · reconnect from any client and continue where you left off |
| CLI + Skills | bundled tty7 CLI · agent skill · pane/workspace control · real PTY commands · output, process, port, and agent status |
| SSH | native russh stack: profiles with keychain secrets · SFTP panel · port forwarding · jump hosts · one-time, unprivileged tty7-server install |
Full documentation lives in docs/ —
keyboard shortcuts ·
config.json ·
CLI reference. The agent-facing CLI interface is also
documented in skills/tty7/SKILL.md.
Install the skill with:
npx skills add l0ng-ai/tty7 # install
npx skills update tty7 # update later
Benchmarks
Same machine, same day, same 155×40 grid — Apple M1 Pro, macOS 26.3.1, five-run averages (2026-07-04):
| tty7 | Alacritty | Ghostty | Kitty | |
|---|---|---|---|---|
Plaintext I/O — 11 MB cat (lower = better) |
95 ms | 239 ms | 179 ms | 185 ms |
| DOOM-fire frame rate (higher = better) | 888 fps | 485 fps | 552 fps | 617 fps |
| Cold-launch memory | 116 MB¹ | 105 MB | 128 MB | 130 MB |
¹ GUI 105 MB + the persistent server 11 MB.
Methodology and one-command reproduction: scripts/bench/.
Built on gpui and alacritty_terminal · Apache-2.0 · Discord · Changelog