Gayan Hewa - engineer, building things for the webhttps://hewa.me/https://hewa.me/blog/guardrails-for-ai-coding-assistants/https://hewa.me/blog/guardrails-for-ai-coding-assistants/Practical hooks, worktree guards, and workflow rules I added after near-misses with AI coding assistants reading secrets and editing wrong branchesSat, 11 Apr 2026 00:00:00 GMThttps://hewa.me/blog/46-questions-before-writing-code/https://hewa.me/blog/46-questions-before-writing-code/Using an AI assistant as an architecture interviewer to extract 46 decisions before writing a single line of multi-tenancy codeSat, 04 Apr 2026 00:00:00 GMThttps://hewa.me/blog/cramsandwich-ai-quiz-generator/https://hewa.me/blog/cramsandwich-ai-quiz-generator/How I built an AI quiz generator for my son and what I learned about PDF parsing and prompt securitySat, 28 Feb 2026 00:00:00 GMThttps://hewa.me/blog/building-divvy-group-expenses/https://hewa.me/blog/building-divvy-group-expenses/Building a Splitwise alternative with Next.js, Turso, and Stripe. Lessons on soft delete, settlement optimization, and shipping fast.Tue, 10 Feb 2026 00:00:00 GMThttps://hewa.me/blog/typing-tales-my-first-side-project/https://hewa.me/blog/typing-tales-my-first-side-project/How I built a typing tutor for kids using PHP, Alpine.js, and OpenAIThu, 15 Jan 2026 00:00:00 GMThttps://hewa.me/blog/structured-notes-for-ai-assisted-development/https://hewa.me/blog/structured-notes-for-ai-assisted-development/A simple markdown-based note system designed for AI coding assistants to read, not just humansTue, 25 Nov 2025 00:00:00 GMT