AGENTS.md

Design System

All UI work — layout, color, typography, spacing, component selection, UX behavior — must follow docs/STYLEGUIDE.md. Use the tokens defined in src/renderer/src/assets/main.css (the canonical source) and the shadcn primitives in src/renderer/src/components/ui/. Don't invent new color values, font sizes, or shadow tiers when a documented one already covers the role. When STYLEGUIDE.md is silent, follow the resolution order in its final section.

Code Comments: Document the "Why", Briefly

When writing or modifying code driven by a design doc or non-obvious constraint, add a comment explaining why the code behaves the way it does.

Keep comments short — one or two lines. Capture only the non-obvious reason (safety constraint, compatibility shim, design-doc rule). Don't restate what the code does, narrate the mechanism, cite design-doc sections verbatim, or explain adjacent API choices unless they're the point.

Lint Rules: Do Not Disable Max Lines

Never add a max-lines disable (eslint-disable max-lines, oxlint-disable max-lines, or line-specific variants), and never add a per-file max-lines bump in mobile/.oxlintrc.json.

File and Module Naming

Never use vague names like helpers, utils, common, misc, or shared-stuff for files, folders, or modules. They carry zero info and tend to become dumping grounds. Name files after what they actually contain — prefer the concrete domain concept (e.g. tab-group-state.ts, terminal-orphan-cleanup.ts) over the generic role (tabs-helpers.ts, terminal-utils.ts). If you find yourself reaching for helpers, the file probably has more than one responsibility and should be split, or there's a better name hiding in the code that describes what the functions operate on.

Worktree Safety

Always use the primary working directory (the worktree) for all file reads and edits. Never follow absolute paths from subagent results that point to the main repo.

Cross-Platform Support

Orca targets macOS, Linux, and Windows. Keep all platform-dependent behavior behind runtime checks:

Keyboard shortcuts: Never hardcode e.metaKey. Use a platform check (navigator.userAgent.includes('Mac')) to pick metaKey on Mac and ctrlKey on Linux/Windows. Electron menu accelerators should use CmdOrCtrl.
Shortcut labels in UI: Display ⌘ / ⇧ on Mac and Ctrl+ / Shift+ on other platforms.
File paths: Use path.join or Electron/Node path utilities — never assume / or \.

SSH Use Case

All changes must consider the SSH use case. Don't assume local-only execution.

Git Binary Compatibility

Orca runs the user's Git binary on native, WSL, and SSH hosts, which may all have different versions. Treat Git 2.25 as the core-workflow baseline and follow docs/reference/git-compatibility.md.

When adding or changing a Git command:

Check when every subcommand and option was introduced. For newer behavior, keep a baseline-compatible fallback or degrade safely.
Use GitCapabilityCache with a narrow unsupported-error predicate so recurring operations do not retry a known-invalid command. Do not rely only on git --version; wrappers such as simple-git do not remove host-version differences.
Scope capability state to the host that executes Git: native, WSL distro, SSH provider, or relay connection. Cover the first fallback, later cached calls, concurrent probes, and relevant host isolation in tests.
Keep the real-binary compatibility contract in PR CI current. When adopting a newer Git feature, add its version boundary so the preferred command and fallback both run against representative Git releases.
Preserve commands that begin with global Git options such as -c before the subcommand, including auto-maintenance suppression used by worktree-create fetches.

Git Provider Compatibility

Source-control and review changes must consider GitLab and other supported git providers, not only GitHub. Keep provider-specific behavior behind explicit checks, and avoid GitHub-only naming for generic review concepts.

GitHub CLI Usage

Be mindful of the user's gh CLI API rate limit — batch requests where possible and avoid unnecessary calls. All code, commands, and scripts must be compatible with macOS, Linux, and Windows.

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