A terminal-native runner looks like a CLI task: parse flags, call a host, print a result. That framing hides the real problem. The surface sits beside lifecycle authority, process dispatch, durable operational records, and mutable worktrees. If it can start workspace-writing work, it needs a structu...

Adding a bounded AI worker looks like a subprocess feature. It rarely is. The real work is integrating package identity, lifecycle admission, host authority, provider capability enforcement, process supervision, payload storage, and empirical CLI behaviour — without turning the worker layer into a s...