This is injected into every message, in every chapter. Changes apply on the next message — no redeploy.
Telling Jinu "update your personality" inside a chat only lasts for that chat; this box is the one that counts.
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Add element
Permanent story facts. Jinu sees these in every chapter.
Import existing writing
Paste what you wrote in Gemini. Jinu splits it into chapters without rewriting a word. You'll see a preview before anything is saved.