41 lines
2.4 KiB
Markdown
41 lines
2.4 KiB
Markdown
# AGENTS.md
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ELYTerminal. A terminal on GPUI and Ely components. `PRD.md` says what it does; `TASKS.md` says how far it is.
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## Stack
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- Rust 1.95, edition 2024. One binary crate, `elyterminal`.
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- Ely (`ely-gpui-component`) from git.zacharyzhang.com, pinned by rev. gpui and gpui_platform from crates.io's `gpui-pre`, the exact version Ely pins, under their crate names through `package`.
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- `alacritty_terminal` 0.26: grid, parser, pseudo-terminal, event loop.
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- `serde`, `serde_json`: settings. `dirs`: the config folder. `log`, `env_logger`: logs to stderr.
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## Commands
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- `cargo run` opens the app. `RUST_LOG=elyterminal=debug cargo run` logs more.
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- `scripts/check.sh`: fmt, clippy `-D warnings`, tests, the 500-line rule.
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## Layout
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- `src/main.rs`: start, window. `src/lib.rs`: the modules, public so tests reach them.
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- `src/settings`: the model, its ranges, and `SettingsStore`, the global that loads, checks and saves `settings.json`.
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- `src/themes`: built-in terminal themes, the chrome palette each maps to, and `apply`, which dresses the app for the system's appearance.
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- `src/term`: the terminal engine. `pty` starts a program through alacritty's event loop; `tap` wraps the pty so its reader scans OSC 7 before the parser.
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- `assets/themes`: Ghostty theme files copied verbatim from iTerm2-Color-Schemes (MIT, its `LICENSE` beside them).
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## Rules
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- Hand-written files stay at or under 500 lines; `Cargo.lock`, which Cargo writes, is exempt. Comments are one short line, and rare.
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- Fail fast. No silent fallbacks. An error names its owner and what failed.
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- Log every state change on a key path with `log`: spawn, exit, folder change, settings load and save, blur path.
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- No dead code, no versioned names, no compatibility shims.
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- Colors, sizes and radii come from Ely's theme. Gaps use gpui's rem helpers.
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- No credential in any file. Pushes pass the token as an `http.extraHeader` on the command line.
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## Decisions
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- 2026-10-14: ELYTerminal owns its terminal engine on `alacritty_terminal`. Ely's `Terminal` lacks mouse reporting, IME, kitty keys and style settings, and a library widget should not carry an app's engine.
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- 2026-10-14: the working directory comes from OSC 7, read by a tap on the pty reader, sent by injected shell integration. vte drops OSC 7.
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- 2026-10-14: Git through the `git` command line, not libgit2.
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- 2026-10-14: license MIT, as Ely.
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- 2026-10-14: settings refuse unknown fields; a bad settings file stops the start and is never overwritten.
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