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The managed-forward form in the Forwards panel used to bare-`return` from Add whenever the fields did not make a rule — an unparseable bind port, a target port of 0, an empty target host for a Local or Remote rule. The button did nothing, said nothing, and left the form exactly as it was. It now collects the fields through the same conditions the settings sheet applies (`ForwardRuleForm::collect`), keeps Add disabled while there is nothing to add, and shows the settings sheet's own "needs both" / "needs a listen port" line under the form once it has been touched. Saving an edit removed the old forward and then added the new one, so a rule that could not be started took a working forward with it. Remove-then-add is still the order — the ordinary edit keeps the bind port, and adding first would collide with the very rule being replaced — but the panel now looks at the entry the add appended, and on `ForwardStatus::Error` it takes that entry back out, puts the old rule back, and keeps the form open with the reason under it. `mf_editing` carries the whole `ManagedForward` rather than an id so there is something to put back, and it is re-pointed at the restored entry, which comes back under a new id. Adjacent, and the reason a failed request could not be told from a successful one: `ForwardRoute::add`/`remove` and their `RemoteTerminal` fallbacks turned every transport error into an empty `Vec`, which the caller then assigned straight into the panel's list — so one unreachable round trip blanked a panel full of live forwards. They return `Option` now, and the panel only takes a list the far side actually sent.
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 |
Terminal and keybinding reference: docs/features.md. The agent-facing CLI interface is documented in skills/tty7/SKILL.md.
Install the skill with:
npx skills add l0ng-ai/tty7
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