macOS Desktop: integrated terminal output is visible but read_thread_terminal returns empty

What version of the Codex App are you using (From “About Codex” dialog)?

26.727.51351

What subscription do you have?

plus

What platform is your computer?

Darwin 25.6.0 arm64 arm

What issue are you seeing?

The terminal panel works interactively, but read_thread_terminal always returns empty.

What steps can reproduce the bug?

1. Open a local Codex task in the ChatGPT desktop app.
2. Open the integrated terminal.
3. Run: printf 'codex-terminal-check\n'
4. Confirm the text is visible in the terminal panel.
5. Ask the agent to read the terminal.
6. codex_app.read_thread_terminal returns an empty result.

What is the expected behavior?

The agent receives the visible terminal output.

Additional information

_No response_