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Report terminal program status with OSC 7501 - #52725
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## Why Lifecycle status reporting was limited to direct iTerm2 sessions. OSC 7501 lets other terminals receive Codex's program state. ## What changed - Emit OSC 7501 with `app=codex` and states `idle`, `working`, or `blocked` whenever stdout is a terminal, including multiplexed sessions. Report `blocked` when user action is required. - Continue emitting iTerm2's OSC 21337 status and bounded activity details in direct iTerm2 sessions. - Clear status before handing the terminal to an external program, as well as on suspension and exit, and re-emit the current state after returning. ## Testing Add coverage for OSC 7501 encoding, combined iTerm2 output, clearing both protocols, and protocol selection across terminal and multiplexer environments. Update lifecycle tests and status snapshots for the new protocol. GitOrigin-RevId: 6d2a6885687b0e7af825e954fab72db0765c9a07
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Report terminal program status with OSC 7501
Why
Lifecycle status reporting was limited to direct iTerm2 sessions. OSC 7501 lets other terminals receive Codex's program state.
What changed
app=codexand statesidle,working, orblockedwhenever stdout is a terminal, including multiplexed sessions. Reportblockedwhen user action is required.Testing
Add coverage for OSC 7501 encoding, combined iTerm2 output, clearing both protocols, and protocol selection across terminal and multiplexer environments. Update lifecycle tests and status snapshots for the new protocol.