Building Daddy Note: A Piano Practice App for My Daughter, Built in 4 Days by AI Agents
A piano practice app for my daughter: I wore every hat from spec to tracking, AI agents did the building, and one robot had no rhythm.

Technology Polymath.
Where Creativity meets Engineering · Bangkok, Thailand.
GCP Cloud Architecture · Adobe Commerce · Enterprise Digital Transformation · Microservices · Bangkok
A piano practice app for my daughter: I wore every hat from spec to tracking, AI agents did the building, and one robot had no rhythm.
Passkeys are replacing passwords one login at a time. Here is why they are safer, and what to do this week.
AI can find a perfect strategy in historical data in minutes. That is exactly the problem. A look at overfitting and how to test honestly.
AI agents work best when treated like new hires: clear scope, limited access, and someone accountable. A worked example from an e-commerce platform.
API keys and tokens multiply faster than anyone tracks them. Here is why secrets sprawl is the debt nobody budgets for, and how to start paying it down.
TypeSafe AI’s new Jev model returns structured decisions with confidence scores instead of text. Here is what is publicly claimed, what is unproven, and where it could sit in an e-commerce architecture.
Cache-Augmented Generation skips retrieval entirely by preloading stable knowledge into the model’s context. For the right slice of an e-commerce stack, it is faster and simpler than RAG.