Eternity

Where will you spend Eternity?

Eternity is a local-first terminal application written in Rust. It is a longterm memory and reflection system for one person: questions, answers, journal entries, memories, time-locked capsules, and deterministic reflections over the life you record.

It is not a chatbot, a social network, a cloud service, an AI API wrapper, or a productivity app. Everything is stored locally in data/eternity.db.

Features

• Ratatui/crossterm terminal interface
• SQLite persistence through bundled rusqlite
• JSON question banks in .resources/questions
• Question -> answer -> save -> reflection loop
• Journal, memory, capsule, profile, and timeline data model support
• Deterministic reflection engine using repeated words, themes, history, and topic frequency
• Time capsules that remain hidden until their unlock date

Run

just run

Or directly:

cargo run

Controls

• Type in the question screen to answer the current prompt
• Enter saves the answer and shows a reflection
• n moves to another question
• h, q, r, j, c, p, t switch screens
• Esc returns home
• Ctrl-C exits

Development

just build
just test
just fmt
just clippy

The Nix flake provides a macOS/Linux development shell with Rust, SQLite, pkg-config, and just.

Nix layout:

• nix/devShell.nix defines nix develop
• nix/buildPackage.nix defines nix build
• nix/formatter.nix defines nix fmt