Repository pattern in frontend
How the Repository Pattern applies to Next.js 15 App Router projects — server repos, client repos, React Query hooks, and thin route handlers that keep every layer honest.
Notebook
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HTML + CSS Carousel: Step-by-Step Guide for Humans and AI
A complete, copy-paste guide to building carousels with only HTML and CSS. Covers scroll snap, scroll markers, scroll buttons, browser support, and progressive enhancement.
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Self-Healing URLs in Astro + Vercel: Implementation, Gotchas, and the Right Approach
How to implement self-healing URLs in Astro deployed on Vercel — what works, what silently fails, and the correct architecture after hitting every gotcha along the way.
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CSP Without unsafe-inline in Astro + Vercel
How to remove unsafe-inline from your Content Security Policy in an Astro site deployed to Vercel, using SHA-256 hashes generated automatically at build time — and every pitfall we hit along the way.
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Web Push Notifications with Astro and Vercel
How to implement Web Push Notifications in an Astro site deployed to Vercel — VAPID keys, service workers, subscription management, and everything that can go wrong.
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Venezuela 51: State Refactoring and the Puerto Ordaz Hub
A technical analysis on why US integration and the development of Puerto Ordaz represent the most important system deployment in our history.
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Upgrading to Astro 6, Svelte 5, and Better Auth 1.6: What Broke and How I Fixed It
A full account of the issues I hit upgrading a production Astro site: Svelte TypeScript preprocessing failures, transitive dependency conflicts in better-auth, and Vercel build cache pitfalls.
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Chrome Built-in AI: The Summarizer API
Chrome ships a native Summarizer API powered by on-device AI. No API keys, no server costs, no privacy concerns — the model runs entirely in your browser.
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bunx vitest vs vitest in Bun Scripts
If bun run test fails with 'vitest: command not found', the fix is one word: bunx. Here's why Bun doesn't always put node_modules/.bin on PATH, and when it matters.
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How to Mock astro:content in Vitest
Unit testing Astro content collection helpers isn't obvious. Here's the exact pattern to mock getCollection and control import.meta.env.DEV so your tests actually reflect production filtering behavior.
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Why vi.stubEnv Doesn't Work for import.meta.env.DEV
vi.stubEnv('DEV', 'false') sets a string. Vite's DEV is a boolean. The string 'false' is truthy. Your tests lie to you silently. Here's the fix.
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Building a Claude API Load Indicator for Your Terminal
How I built a zsh oh-my-zsh plugin that shows Claude API latency directly in my Powerlevel10k prompt — using a background launchd job and a rolling baseline so you always know if it's slow right now or just your network.