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codex - 💡(How to fix) Fix Side chat content disappears after clicking Expand panel

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

26.519.21041

What subscription do you have?

ChatGPT Plus

What platform is your computer?

Win 10

What issue are you seeing?

In Codex Desktop, the side chat panel becomes blank after clicking "Expand panel".

The messages appear normally before expanding the side chat. After clicking "Expand panel", the side chat content disappears from the UI. It does not look like the conversation data is deleted; it looks more like a rendering, layout, or panel state issue.

This happens in the side chat area, not the main chat.

What steps can reproduce the bug?

  1. Open Codex Desktop.
  2. Open or start a side chat.
  3. Send or view messages in the side chat so that content is visible.
  4. Click "Expand panel" in the side chat area.
  5. Observe that the expanded panel becomes blank and the side chat messages are no longer visible.
  6. Collapsing the panel may make the content visible again, but the expanded panel remains blank.

What is the expected behavior?

The side chat messages should remain visible after clicking "Expand panel".

Expanding the panel should only change the layout or width of the side chat, not hide or clear its content.

Additional information

Codex CLI version: 0.131.0

This looks like a UI rendering/layout state bug. Possible causes could be the side chat message list not recalculating its size after the panel expands, or the side conversation state not being rehydrated after the panel layout changes.

I can attach screenshots:

  • About Codex dialog showing version 26.519.21041
  • Side chat before expanding, with visible content
  • Side chat after expanding, showing the blank panel

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codex - 💡(How to fix) Fix Side chat content disappears after clicking Expand panel