OIDC: The Identity Boundary Behind Login
A practical introduction to OpenID Connect: what problem it solves, when it is worth using, how it fits login and payments, and how it differs from OAuth, SAML, CAS, LDAP, JWT, and passkeys.
Notes on software engineering, product thinking, and life.
Latest Posts
Toolchain Performance Matters More Than Ever in the AI Era
AI coding is increasingly an agentic loop: write code, run validation, read failures, and fix again. In that loop, test, lint, and build performance directly shape engineering throughput.
The Next Step for Admin Platforms Is CLI and Skill
A reflection on why admin and configuration platforms should stop exposing their capabilities only through pages, and start turning operations into CLI commands and agent-readable skills.
gpt-image-2 Prompt Patterns: Commercial Covers And Miniature Visuals
Rewritten English prompt patterns for editorial information visuals, technology posters, brand concepts, and botanical knowledge cards.
gpt-image-2 Prompt Patterns: Technical Diagrams And Infographics
Rewritten English prompt patterns for turning architecture notes, technical mechanisms, and Mermaid flows into readable gpt-image-2 visuals.
Reusable gpt-image-2 Prompt Patterns
A growing collection of reusable gpt-image-2 prompt patterns, rewritten and tested in English with new example images.
From tinify-cli to imgasset: Turning Blog Images into a Pipeline
How a repeated blog image workflow became two reusable npm CLI tools: tinify-cli for compression and imgasset for AI generation, raw asset storage, compression, and publishing.
Static Sites Are Having a Renaissance. Here Is Why I Chose Astro
A reflection on why Astro fits content-driven static sites, based on recent website projects, a blog migration from Hexo to Astro, and comparisons with Hugo, Eleventy, VitePress, Docusaurus, and Next.js.
In the AI Era, Developers Have the Freedom to Refactor
A reflection on Bun's move toward Rust, a small SolidJS-to-Vue migration, and why technical choices in the AI era are becoming less like permanent bets and more like decisions that can be revised.
AI Broke the Zero Marginal Cost Myth of the Internet
A reflection on why AI applications feel less like traditional internet products and more like on-demand production, where every useful answer, image, and agent run has a real cost.