mika's open learning notebook

field notes, essays, and things learned by building


Software Engineering

Shipping Real Software: From Feature Works to Workflow Works

What Premier Ops, Mochi, and Oniria taught me about production safeguards, real users, branches, QA, and definitions of done.

A working feature is not a working product

Premier Ops made this concrete. A parser can work while imported products still land in the wrong category. An upload can succeed while another device sees stale state. A repair operation can finish while the UI still says incomplete.

The real definition of done is the user’s workflow succeeding end to end.

Production changes the standard

Once software touches real inventory and WooCommerce, safety matters more. Read-only modes, confirmation before destructive actions, duplicate-safe imports, clear completion states, and smoke testing become product requirements rather than polish.

Branches are thinking space

My workflow has become: branch, implement, test, inspect, iterate, then merge. A feature branch is not only Git hygiene—it creates a safe place to be wrong without destabilizing the known-good version.

AI-assisted development still requires engineering judgment

Agents can implement quickly, but speed makes review more important. I still need to understand the architecture, inspect what changed, recognize duplicated declarations or broken state, test the actual behavior, and reject implementations that technically compile but misunderstand the product.

What I can do now

I can move a project through implementation, deployment, regression fixes, and handoff while reasoning about data consistency, state synchronization, user safety, and the difference between code completion and product completion.