https://roya2yush.com/writing I build identity & authorization systems by day — and spend the rest of my curiosity on travel, photography, astrophysics, and bringing technology to agriculture. en-us https://roya2yush.com/writing/spec-driven-development-that-sticks https://roya2yush.com/writing/spec-driven-development-that-sticks Mon, 20 Jul 2026 00:00:00 GMT Why I write the contract before the code, how I set up spec-kit on existing repos, and the habits that keep the spec as the source of truth. Spec-Driven Development API design Workflow https://roya2yush.com/writing/a-triage-order-that-survives-real-incidents https://roya2yush.com/writing/a-triage-order-that-survives-real-incidents Fri, 10 Jul 2026 00:00:00 GMT My default debugging loop — reproduce, read the real error, localize the layer, check config and diff, fix the root cause — with the war stories behind each step. Debugging Reliability Distributed systems https://roya2yush.com/writing/the-trade-offs-i-weigh-by-default https://roya2yush.com/writing/the-trade-offs-i-weigh-by-default Sun, 28 Jun 2026 00:00:00 GMT PATCH vs. PUT, native vs. derived queries, versioning, and BOM-aware dependency upgrades — a tour of the design decisions I make the same way every time, and why. Design patterns API design Judgment