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samanthalin130/README.md

Samantha Lin

AI product designer and design engineer. I design AI that people can trust, and I build it myself.

I came to this from behavioral science. Four years in behavioral therapy, crisis counseling, and clinical support taught me something that turned out to be a design principle: people in distress can describe what is happening to them, but they cannot reliably pick the thing that would help. Most wellness software gets this backwards and hands you a menu at the exact moment choosing is hardest.

Now I build systems that do the selection, show their reasoning, and ask permission before acting. Currently finishing an M.A. in Human Interaction and Artificial Intelligence at Elisava Barcelona.

What I'm working on

AuraPod AI · case study A multi-sensory regulation booth. A spoken or typed check-in is read zero-shot by Gemini onto the PAD affect model, then a deterministic weighted-Euclidean resolver maps those coordinates to one of ten regulatory states and runs five minutes of coordinated light, spatial sound, breathing, and scent.

Built solo end to end: research, affect model, prompt architecture, backend, frontend, hardware, design system, evaluation protocol. Self-taught Python and FastAPI over the course of it. 160 tests. Grounded in a systematic review of 104 peer-reviewed sources, and run live at the Elisava graduate exhibition with 40+ first-time visitors.

The design problem underneath it: a language model that misreads you is normally a bad autocomplete, but this one acts on your nervous system, so a wrong read is a breach. The estimate is probabilistic. What happens next is not.

crown-focus-logger Records focus, calm, and five-band EEG from a Neurosity Crown to CSV, with a mock mode so the pipeline is testable without hardware. The data-collection floor for ongoing work on whether consumer EEG can inform adaptive interfaces.

How I work

I build what I design. Prototypes that run on real hardware in front of real people, not mockups. I write tests because a system that acts on someone's nervous system should fail loudly and predictably, and I document what a project does not do as carefully as what it does.

I use AI tooling heavily, directed and verified rather than autonomous.

Toolkit

Python FastAPI WebSockets JavaScript Tailwind Gemini API pytest Figma Framer Webflow

Zero-shot classification, system prompt design, human-in-the-loop UX, semi-structured interviews, qualitative coding, literature review, design systems.

Elsewhere

San Francisco and Barcelona · Portfolio · LinkedIn

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  1. aurapod-ai aurapod-ai Public

    Affective computing system that classifies free-text mood into 10 regulatory states using Gemini and a PAD-coordinate resolver, then drives a synced projector, audio, and breathing environment. Fas…

    HTML

  2. crown-focus-logger crown-focus-logger Public

    Log Neurosity Crown focus/calm/brainwave data to CSV. Includes a mock mode for headset-free testing.

    JavaScript

  3. portfolio portfolio Public

    Case study site for AuraPod AI: designing an LLM system that acts on someone's nervous system, and the trust problem underneath it. Hand-built single page.

    HTML