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4167628622
Adds the core runtime behavior for active goals on top of the model tools from PR 3. ## Why A long-running goal should be a core runtime concern, not something every client has to implement. Core owns the turn lifecycle, tool completion boundaries, interruptions, resume behavior, and token usage, so it is the right place to account progress, enforce budgets, and decide when to continue work. ## What changed - Centralized goal lifecycle side effects behind `Session::goal_runtime_apply(GoalRuntimeEvent::...)`. - Starts goal continuation turns only when the session is idle; pending user input and mailbox work take priority. - Accounts token and wall-clock usage at turn, tool, mutation, interrupt, and resume boundaries; `get_thread_goal` remains read-only. - Preserves sub-second wall-clock remainder across accounting boundaries so long-running goals do not drift downward over time. - Treats token budget exhaustion as a soft stop by marking the goal `budget_limited` and injecting wrap-up steering instead of aborting the active turn. - Suppresses budget steering when `update_goal` marks a goal complete. - Pauses active goals on interrupt and auto-reactivates paused goals when a thread resumes outside plan mode. - Suppresses repeated automatic continuation when a continuation turn makes no tool calls. - Added continuation and budget-limit prompt templates. ## Verification - Added focused core coverage for continuation scheduling, accounting boundaries, budget-limit steering, completion accounting, interrupt pause behavior, resume auto-activation, and wall-clock remainder accounting.
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.