codex - 💡(How to fix) Fix Layout misalignment and ANSI escape code leaks during Chinese streaming output in JetBrains Terminal

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What version of Codex CLI is running?

v0.131.0

What subscription do you have?

Pro

Which model were you using?

gpt-5.5 high

What platform is your computer?

Microsoft Windows 11

What terminal emulator and version are you using (if applicable)?

No response

Codex doctor report

What issue are you seeing?

<img width="970" height="519" alt="Image" src="https://github.com/user-attachments/assets/607462ac-bdef-47e9-b4a4-4f0e3f394197" /> <img width="975" height="465" alt="Image" src="https://github.com/user-attachments/assets/19805fb7-9eea-4eaa-a52c-d07fd140d9d1" />

What steps can reproduce the bug?

  1. Open a JetBrains IDE (e.g., PyCharm, WebStorm) on Windows.
  2. Open the built-in terminal utilizing the "Reworked 2025" engine with PowerShell.
  3. Launch codex.
  4. Send a prompt that requests a response in Chinese (e.g., "AI 新闻").
  5. Observe the character overlap and leaked ANSI codes during active text streaming.

What is the expected behavior?

No response

Additional information

No response

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codex - 💡(How to fix) Fix Layout misalignment and ANSI escape code leaks during Chinese streaming output in JetBrains Terminal