A popular way to build with AI right now is to hand a model a goal and let it decide each next step on its own. We do not build that way, for a practical reason: an AI choosing its own path can take a different path every run. Results vary, errors are hard to trace, and when something goes wrong, nobody can point to the step that failed.
A documented process gives you the opposite. The same input produces the same result. Every step can be tested, audited, and explained. When something breaks, you fix that step. When a rule changes, you update the document and the automation together. And a new hire can learn the job by reading the process instead of shadowing someone for six months.
AI still earns its place, inside specific steps where it beats conventional code: reading a messy PDF, matching a part description, drafting a reply. The process decides what happens next. The AI never does.