Command pallete wrongly z-index aligns with plan header actions

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

26.803.61601

What subscription do you have?

Plus

What platform is your computer?

_No response_

What issue are you seeing?

<img width="757" height="445" alt="Image" src="https://github.com/user-attachments/assets/020b1e5c-cdee-46e4-bc82-79f6f9bf9781" />

What steps can reproduce the bug?

1. make a plan
2. write / in the chat box
3. the actions overlay the command pallete

What is the expected behavior?

correct z-index

Additional information

_No response_