Introducing KeyTempo: A Privacy-First Keystroke Dynamics Extractor for the AI Era Today, I am thrilled to announce the release of  @keytempo/core  on NPM. KeyTempo is a lightweight, zero-dependency edge sensor module designed to extract the physical rhythm of typing—known as keystroke dynamics—while strictly preserving user privacy. The Ethical Boundary: Privacy by Design As developers, we are constantly looking for ways to better understand user behavior, flow, and state. However, this should never come at the cost of reading their private thoughts or sensitive data. KeyTempo is NOT a keylogger. Built with a strict "Privacy by Design" philosophy, it never captures or stores the semantic meaning of the text. Every keystroke is instantly and irreversibly masked into abstract categories (such as  CHAR ,  MODIFIER ,  ENTER , or  IME_COMPOSING ). Instead of looking at  what  you type, KeyTempo purely observes the physics of  how  you type, e...