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## Why An execution environment marked `starting` is not yet usable, but unrelated work can continue while it becomes ready. ## What changed - Add developer guidance that explains execution-environment isolation and the resources that become available after startup. - Tell the model to wait only when the current task needs the starting environment. - Retain the guidance across world-state updates without duplicating it in request history. ## Testing - Cover world-state transitions, history retention, rollback handling, and deferred-environment request deduplication. GitOrigin-RevId: f12f9204d4cbddce50a70eb0998beb6b66cd2fa9
codex-protocol
This crate defines the "types" for the protocol used by Codex CLI, which includes both "internal types" for communication between codex-core and codex-tui, as well as "external types" used with codex app-server.
This crate should have minimal dependencies.
Ideally, we should avoid "material business logic" in this crate, as we can always introduce Ext-style traits to add functionality to types in other crates.