Longhorn

Shared Rust and Svelte/TypeScript systems for Tauri desktop applications.

Longhorn extracts proven desktop mechanisms from existing apps, separates product policy from reusable behavior, and supplies composable pieces for new projects. It complements Poodle: Poodle owns visual primitives; Longhorn owns desktop application state, host integration, and orchestration.

What This Is For

You are the right audience if you build a Tauri desktop app in Rust with Svelte/TypeScript and need any of: config storage with backup/restore, window and display management, a settings system, commands and keymaps, history, or native-content hosting.

Longhorn is pre-1.0. The three TypeScript packages publish to npm under @inflatable-cookie; the Rust crates set publish = false and are taken by git tag. Start with the adoption guides below; the knowledge base records the architecture and contracts behind them.

Start Here

1. Vision — why this exists
2. Adoption guides — choose packages, wire them in
3. Glossary — the terms used everywhere else
4. Generated API surface — exact package names
5. Current state
6. Agent rules

Effigy

This repo is run through effigy, a task runner. All commands below assume it is installed; every selector is defined in effigy.toml, and the command cookbook lives in scripts/README.md. There is no documented way to build or test this repo without it.

Default Effigy Loop

effigy tasks
effigy doctor
effigy test --plan
effigy qa

Current State

Pre-1.0. Five consumers migrated: Nucleus, Loophole, Soundcheck, Split-shell, Jetstream. The three TypeScript packages are on npm under @inflatable-cookie, and the Rust crates enumerated by the generated API reference are taken by git tag. docs/README.md has the current release and what is being built.