Add opt-in code-mode yielding on new user input - #48135
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## Why User input queued during a long-running code-mode `exec` or `wait` can remain pending until the call returns. Allow these calls to yield early so Codex can receive the new input while the cell continues running. ## What changed - Add the `instant_interrupt` feature flag, disabled by default. - Watch queued user input for each sampling request and pass a shared preemption signal to code-mode `exec` and `wait` calls, including calls received later in the same response. - Yield running cell IDs without stopping the cells, allowing subsequent `wait` calls to collect their results. ## Testing Add integration coverage for enabled and disabled behavior, repeated steering during `exec` and `wait`, input deferred during compaction, and later calls in the same response. Verify that direct tool results and queued user messages are preserved, and add a scenario snapshot showing continuation after a cell yields. GitOrigin-RevId: e33466a980d98e113bfb6c6a45c59de0cc7b3c1d
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Add opt-in code-mode yielding on new user input
Why
User input queued during a long-running code-mode
execorwaitcan remain pending until the call returns. Allow these calls to yield early so Codex can receive the new input while the cell continues running.What changed
instant_interruptfeature flag, disabled by default.execandwaitcalls, including calls received later in the same response.waitcalls to collect their results.Testing
Add integration coverage for enabled and disabled behavior, repeated steering during
execandwait, input deferred during compaction, and later calls in the same response. Verify that direct tool results and queued user messages are preserved, and add a scenario snapshot showing continuation after a cell yields.