Archive - Oakheart Lab

Stop Tuning the AI. Start Building the System Around It.

Three months of struggle with AI tools, two weeks of compounding improvement, and the system that made the difference.

Apr 20 • Yilun Zhang

The bottleneck nobody talks about: why product leaders ration their curiosity

What changed when the cost of a data question dropped from two weeks to two minutes

Apr 16 • Yilun Zhang

Subagent-driven development: how to parallelize AI agent without blowing up your codebase

What a 69-file commit, a production 401, and an outdated spec taught me about parallel AI coding agents

Apr 13 • Yilun Zhang

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