Weidong Shi.

AI in Action

Work

Start with the live product family, then dig into case studies. Independent personal-lab work — not a client catalog.

Case studies

All projects

Filter by category when you want architecture depth, delivery notes, and related insights.

Open live

Local-First Habit Coach

Live

HabitCheck

Missed days shouldn’t force fake checkmarks; people need honest recovery that keeps momentum real.

AI Applications · Recovery · Facts vs Coach · Privacy-gated AI

  • nextjs
  • pwa
  • local-first
  • privacy
Open live

Decision-Support Application

Live

RetireCheck

People need a credible “will my money last?” answer without advisor-grade onboarding friction.

AI Applications · Domain architecture · Monte Carlo · Cloud delivery

  • nextjs
  • aspnet
  • monte-carlo
  • fintech
Open live

Local-First Wellness PWA

Live

SleepCheck

Wind-down tools often over-collect data; people need calm UX with a privacy-first architecture.

AI Applications · Local-first · Privacy · Mobile-first PWA

  • nextjs
  • pwa
  • local-first
  • privacy
Open live

Advisory Assessment Application

Live

AI Production Readiness Advisor

Shipping an AI demo is easy. Shipping AI that people can trust is much harder — teams need the right questions before deployment, not another checklist stamp.

AI Applications · Eight dimensions · Hard gates · OpenAI advisory narrative

  • nextjs
  • openai
  • rag
  • governance
Open live

Enterprise Architecture Intelligence

Live

ArchLens AI

Architecture reviews fail when recommendations are unfalsifiable — hand-authored findings with no check that sources exist or say what the claim asserts.

AI Applications · Verifier gate · Evidence spans · Human approval

  • nextjs
  • typescript
  • zod
  • governance

Architecture case study

Still Waters

A private, multimodal AI content platform — Scripture-grounded RAG, semantic content memory, structured generation with verified citations, MFA-protected access, safety guardrails, evaluation, and end-to-end observability. Sanitized walkthrough with fictional data.