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Adds the three pieces the graph section needs from the data layer: the lane assigner, the `log --pretty` parser it is fed from, and the paged loader that puts the two together. `LaneAlloc` is append-only. It keeps only what has to survive a page boundary — which oid each lane is holding a place for, and the reverse index — so a later page extends the graph instead of re-flowing the rows already on screen. That is only possible because `GraphRow` is row-local: a row says nothing about the rows below it, which is also why a long-lived branch is drawn from its first row rather than staying invisible until the page holding its parent loads. Colour is the lane number, fixed when the lane is created. A per-branch counter wraps at the palette size and puts branch 0 and branch N in the same colour, which in a three-column panel is very likely two adjacent lines; keying on the lane makes neighbours distinct by construction. The "one branch, one colour" half falls out of the first parent inheriting its child's lane in place. Lanes are recycled but never compacted — compacting would move a lane out from under a row already drawn. The log is read with RS between records and US between fields rather than `-z`, whose record separator is NUL and so collides with the field separator; fields are taken with `splitn` so the body absorbs any US of its own. Paging is a larger `-n`, never `--skip`, and `HeadAndUpstream` resolves to shas first so a push between two pages cannot shift the window out from under page one. The Cargo.lock line is the missing half of tty7-core picking up smallvec, which main already carries.
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