Codex Session Controller

Control user-visible top-level Codex tasks through thread tools. Treat task, thread, session, chat, and conversation as the same object. Controlled workers and successors are user-visible top-level tasks created with create_thread or continued by formal (hostId, threadId) identity.

Control

Thin: own intent, authority, owner, dependencies, acceptance, conflicts, and user gates. Workers own domain research, design, implementation, diagnosis, review, and testing. Stop exploring as soon as those control dimensions are clear enough to route faithfully; ask the worker for missing domain evidence. The controller runs this control loop; each worker executes and reports its assigned outcome.