Add Tree Ring Memory

[TerminallyLazy]

Summary

• Add Tree Ring Memory to the AI Coding Tools section.
• It is a local-first memory lifecycle layer for AI agents, exposed through a Rust CLI and terminal TUI.

Links

• Project: https://github.com/TerminallyLazy/Tree-Ring-Memory
• Launch page: https://terminallylazy.github.io/Tree-Ring-Memory/

Checks

• Confirmed no existing Tree Ring Memory entry.
• Ran git diff --check.