Applied AI systems
How to Run Hermes Agent on a UGREEN NAS with Docker
UGREEN said my Hermes container was running. The gateway couldn't read its config. Two user IDs explained the failure—and the fix.
KahWee Teng.
I build frontend systems and developer tools. This is where I write about the decisions, the debugging, and what I’d do differently.
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All 98 articlesComparing PDF readers for my finance app
I compared eight readers on 78 financial PDFs. The results show what I still need to check before trusting my capital gains estimates.
Start here
Four pieces about things I’ve built, tried, or changed my mind about.
AI coding practice
AI Pricing Is Becoming UX
GPT-5.6 turns capability into a price ladder, while Codex Spark turns speed into a separate button. AI pricing is becoming part of the interface.
Frontend migrations
Evaluating a TanStack Table v9 Upgrade
I wanted to keep a shared table component current without accepting migration work on faith. A side-by-side benchmark made the trade-off much easier to judge.
Frontend migrations
Migrating from Remix to React Router v7 - Part 1
My Remix-to-React Router v7 migration touched 40 files and removed 591 net lines. Imports were easy; TypeScript took the time.
Runnable examples, benchmarks and deployment companions live in KahWee Labs