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* fix(remote): give a dialect refusal a way out instead of a retry loop A remote workspace whose server is the other side of a control-dialect bump reconnected forever: the strip quoted the protocol layer's own wording verbatim inside a localised sentence, offered Retry Now, and counted attempts at 30s intervals. Retrying cannot work — neither build changes between attempts — and the only Update Server button lived in the switcher's error band, which a window that opens straight onto the remote workspace never reaches. Park the link on a refusal and put the working action on the strip. Restart Server now routes to the replace flow when the far end speaks another dialect, because restarting was the wrong action there twice over: it killed any running tty7-server-* and then launched the path named after *this* build's dialect, which on such a machine does not exist. Installer::restart_daemon now probes that binary before killing anything and refuses when there is nothing to start. CONTROL_VERSION moves to 7 with no message change, so the refusal path can be exercised against the v6 servers already deployed. * fix(remote): recheck a parked link, and name a downgrade a downgrade Review follow-ups on the dialect-refusal parking. `is_dialect_refusal` was a substring sniff on the marker while every reader of a `true` went on to parse the whole shape. Two predicates for one question, and the weaker one decided whether to park a link that only a person could free. It is the parse now. A parked link never looked again. `RouteLost`, the state it was modelled on, is re-tested every tick and comes back by itself; this one could not, so a machine somebody else updated — or one that rebooted onto a build that does speak to us — sat there claiming to be broken for the rest of the session. It looks again every five minutes: a slow clock, deliberately two orders of magnitude off the reconnect one, and the strip says nothing while it does. `retry_now` cleared `last_error` for every caller, so pressing Retry Now on an unreachable machine cost the user the reason why until the next attempt finished. Only leaving a park clears it. The one button read Update Server in both directions, including the one where installing our server takes the far end back a version. That direction reads Replace Server, and the confirmation it opens offers the same word the button did rather than renaming the act between the click and the prompt. The switcher's band gates that button on `hosts_our_server` as well now, the way the workspace strip already did. `a_dialect_refusal_parks_the_link_instead_of_counting_attempts` passed without reaching what it named: an `Alias` resolves only if the machine running the tests has that name in its ssh config, and the pump drops an unresolvable route before it reaches any parking. It uses a target that always resolves now, and both new pump tests were checked against a mutation that removes the recheck. --------- Co-authored-by: l0ng-ai <24760907+l0ng-ai@users.noreply.github.com>
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