Projects

Evidence-first project case studies

Private work is labeled as private. Public repositories are curated from @hanxiangli666 instead of showing every recent repo.

Featured case studies

AI productPrivate testingPublic case notes, private source

WhyThisMove / IronWall Chess Engine

Built an AI chess coach that combines Stockfish, Maia-style human move analysis, opening training, blunder practice, game review, and LLM explanations.

AI coachopening trainerblunder traininggame analysisLLM battle
The source code and live app are not public.
Full-stack systemPublic code, private deploymentPublic source available

Drew Rangers Tracker Pro

Built a Vue and Cloudflare system with role-oriented flows for practice, game, admin, health, roster sync, and PDF reporting.

practice workflowgame-day workflowadmin consoleinjury flowroster sync
The code is public and can be inspected directly.
Research AI SaaSPrivate testingPublic case notes, private source

Citely

Built a citation intelligence product using academic APIs, PDF parsing, RAG, citation matching, Supabase auth/storage/RLS, and Stripe credits.

RAGcitation auditcitation matchingacademic source searchcredit billing
The source code and live workspace are private.
AI education platformPrivate product casePrivate case summary

Zhimian AI Interview Platform

Built an AI interview training platform with WebSocket interview sessions, emotion analysis, RAG chatbot support, RBAC administration, and payment proof review.

AI interview flowemotion analysisadmin consoleenterprise verificationbackend tests
No public source code or live demo is currently linked.
Developer toolPrivate product casePrivate case summary

Project Helper

Built a repo analysis assistant that turns codebase structure into explanations, summaries, and next-step guidance.

repo analysisarchitecture summariesdeveloper onboarding
No public source code or live demo is currently linked.
Applied ML / knowledge graphPublic case studyPublic case notes, private source

Medical KBQA Knowledge Graph

Built a Chinese medical KBQA system with NER models, Neo4j graph storage, Cypher query generation, and web interfaces.

NERknowledge graphCypher QAmedical chatbot
This is an applied ML project, not a clinical product.

Curated public repositories

This list uses an explicit allowlist and excludes forks, archived repositories, and repositories without descriptions.