Rusting Jiin

An interactive, transparent desktop mascot and conversational Japanese language learning companion built with Rust and Tauri.

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Features

Stateless AI Architecture

Powered by axum and HTMX for a reactive, server-driven UI with no frontend frameworks.

Local Contextual Memory

Pure-Rust vector database using rusqlite with a custom cosine_similarity function for recalling past conversations.

Native OS Speech

Leverages the Web Speech API (SpeechRecognition & SpeechSynthesis) inside the Tauri Webview for zero-latency TTS/STT.

Dynamic Mascot States

Seamless UI updates rotating between idle, thinking, listening, and talking graphic states.

Transparent Desktop Mode

Frameless, transparent window for native desktop immersion on Windows and Linux.

Screenshot

Itachi Mascot — idle state

Tech Stack

RustRust
TauriTauri
AxumAxum
SQLiteSQLite / Rusqlite

Getting Started

Rusting Jiin connects to a local AI server (via LM Studio). Follow the full installation guide on GitHub to set up your environment.