Staff software engineerSan Francisco

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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Recent

All 99 articles
  1. The OpenCode hack

    OpenCode reported unauthorized access to a legacy hosted console holding customers’ own OpenAI, Anthropic and Google API keys.

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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.

Runnable examples, benchmarks and deployment companions live in KahWee Labs