let's talk about software factories, agent harnesses, and how to industrialize software development beyond vibe coding and agentic engineering. as an intro to the topic, five levels of autonomy which are reminiscent of which map quite neatly on the progression of abstraction and software development https://www.danshapiro.com/blog/2026/01/the-five-levels-from-spicy-autocomplete-to-the-software-factory/ in reality, i'm on level 3, where the AI generates the majority of the codebase, plunging into level 5 by trying to build a software factory and where are you? have you tried to build one?