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l0ng-aiandl0ng-ai
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* fix(panel): redraw the right panel's three tab icons The tiles render at 13px (`TILE_GLYPH`), and at that size the set had three problems, none of them about style: - `info` and `folder-closed` were both a rounded body split by a horizontal rule at nearly the same proportions, so the first and third tile could only be told apart by a notch a pixel and a half wide. - `git-branch` drew its three nodes as filled r=2.5 discs — 2.7px across at render size — which buried the 2.1 strokes between them and left the glyph reading as three dots. - The interior detail was too dense to survive: `info` carried two rules 4.8 units apart and `folder-closed` a divider 3.2 units below its front edge, both under 2.6px once rendered. Same three metaphors, same 2.1 pen, same rounded joins — only the geometry moves. The nodes go hollow so the branch is drawn with one pen rather than two. The crowded interior rules go, which leaves the folder a clean body and makes the notch the thing that separates it from `info`, rather than a second rule at a slightly different height. And each mark grows into the height `panel-right` already occupies beside them: the three had the width of that box and sat two units short of its height, which on a row of tiles reads as three smaller icons rather than as three different ones. Measured as rendered ink, stroke included, on the 24 grid: | glyph | before | after | | ----------------------------------- | ----------- | ----------- | | `panel-right` (unchanged reference) | 19.3 x 19.3 | — | | `info` | 19.3 x 17.3 | 19.3 x 18.1 | | `folder-closed` | 19.3 x 17.3 | 19.3 x 17.7 | | `git-branch` | 18.5 x 17.3 | 18.3 x 18.9 | All three stay centred on 12, 12. * fix(files): size the tree row's glyph off the tile ladder, not the rem one Glyphs in this window come from the pixel ladder in `app.rs` — `TILE_GLYPH` 13 for a chrome tile, `TILE_GLYPH_XS` 11 for the tiles a row reveals on hover — while text comes from the rem ramp. The file tree's leading folder/file mark was the one place drawing its size from gpui-component's rem sizes instead, and those two systems cannot meet: at the default `ui_font_size` of 16 the rem ladder offers `xsmall` 12 and `small` 14 and nothing in between, so the mark was always a step under the tab tiles above it — a speck beside a 14px name — or a step over them, which is a row of content outsizing the navigation that owns it. `ROW_GLYPH` is that size named once, in pixels, next to the panel's type ramp and defined as the tab tile's own glyph, so the two now agree by construction rather than by coincidence. * fix(icons): put the tree's collapsed folder on the set's box `folder.svg` is the one folder the set never squared up. It inks 19.9 x 16.1 where every other mark in the row is 19.3 wide, because its top edge overshoots the box by 0.6 on the right — which also leaves the whole glyph 0.3 off-centre that way, and 0.2 low. Nothing showed while the tree drew it a step under the chrome. It is on `ROW_GLYPH` now, the same 13px as the Files tab tile above it, and it swaps in place with `folder-open` — already on the box — every time a directory opens or closes, so the overhang is a shift in a fixed column rather than a number in a file. Same folder, same 2.8 corners, same 1.7 shoulder: the top edge gives back the 0.6 it overshot and the body takes the 1.2 of height that puts it on 19.3 x 17.3, centred on 12, 12, which is where `folder-open` and the rest of the row already are. --------- 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