Development
What Agents Skip Is Always the Senior Work — What Agent Skills Enforces
1. What Is This Post About? Notes on Addy Osmani's Agent Skills. In one sentence: Most of a senior engineer's job never shows up in the diff. Specs, tests,…
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SeungAh Hong's Tech Blog
Notes on what I learn and think about while building — sharing hands-on experience and technical knowledge.
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Development
Quality Lives in the Constraints — Holding the Bar at a Scale Nobody Can Review
1. What Is This Post About? Notes on Addy Osmani's Agentic Code Quality. In one sentence: Judging quality by reading code breaks down at agent scale. So the…
Development
The AI-Native SDLC Playbook — Code Is No Longer the Bottleneck
1. What Is This Post About? Here it is in a single sentence. As writing code got faster, the bottleneck moved to everything around it. Planning, design,…
Development
How the Creator of Claude Code Works — Delete, Overshoot, Verify
1. What is this post about? In one line: Getting good with agents is not about writing better instructions. It is about deleting the instructions you have and…
Development
Choosing a Claude Model — Start Smart
1. What Is This Post About? Here it is in a single sentence. The order of "try the cheap model first, move up if it falls short" has been inverted. The…
Development
The New Rules of Context Engineering for Claude 5
1. What Is This Post About? Here it is in a single sentence. The conventional wisdom that "the more rules you write for the AI, the better it performs" has…