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`take_rehydrate` dropped an owed `Adopt::Replace` whenever the window had any tabs, on the reading that the user had filled it in themselves. That reading only ever fitted the one caller it was written for: Restart Server, which empties the window before it resyncs. Every other `Replace` — a daemon back as a new process, a restart handoff that was refused, a remote server restarted, a layout delta that would not apply — is ordered over a window that still holds its tabs, because those stale tabs are the whole reason it was asked. The retry was abandoned on its first attempt, every time, and the resync silently did nothing. Abandoning it also left the window `informed`: still licensed to prune a workspace whose layout it had never read. `start_prime` then refilled the mirror from the machine, and the next `SyncScope::Full` diffed whatever the window happened to hold against it — one tab opened over an emptied window became `TabClose` for every tab on the machine, deleting those panes' records while their shells kept running, with nothing tree-driven left that could reach them. The damage #554 describes, through a door #554 did not close, and the same on a remote window. So the debt is now scoped to the layout it was owed over: `hydrate` records the tabs on screen as it orders a pull, and only a tab that debt never saw counts as the user moving on. And a `Replace` takes back the `informed` licence up front, the way `on_preempted` does, so a window waiting on a rebuild adds to its machine without pruning it until the pull lands — however the debt ends. Pre-existing since #472 (af3928d,e4bd49c); both PR #564 and #569 saw it and left it alone because the rule is shared with the remote resyncs. 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