Operational Insight
The Core of Vibe Coding Was the Harness, Not the Code

Before building Commit Hero, I designed the judgment structure first. Running Deep Interviews to set direction, then defining scope through Plan, Design, and AGENTS.md before implementation — the experience confirmed that the human role in vibe coding is harness design, not coding.

Vibe Coding Harness Design Codex AI Product Build
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Operational Insight
Divergence Happens in a New Window, Convergence Happens at HQ

As AI tools multiply, role separation comes first. A new GPT window works as an external thinking space for divergence without inherited context, while Meta Chulbuji absorbs the results into existing projects as the operating HQ. The key was not blocking divergence, but building a structure that recovers it as an asset.

AI Role Separation ChatGPT AI Workflow Operating Philosophy
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