.@signulll sketches out a fundamental feature of Apple that puts the company at odds with making the iPhone an AI-native, fully agentic device that's always working for its owner: "Apple relies on a deterministic world. A world where lots and lots of elements, from design to the experience to the underlying context — [they don't] change as much. It's very deterministic." "For example, iPhone software is very broadcast-y. It's one-to-many. They write it once and it runs for everybody, and…