Long AI chats degrade, and switching tools means starting over. LISA exports, compresses and hands off conversations across 12 AI platforms (ChatGPT, Claude, Gemini, Grok, Perplexity...). - Context-health dot warns before a chat degrades - One-click Checkpoint + Handoff to a fresh chat, any platform - Export to Markdown, LISA JSON or verifiable LISA-V (SHA-256/Merkle) - Library capabilities to keep all your chats in one place - Local-first, free tier included