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/copy does not work inside tmux #19926
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TUIIssues related to the terminal user interface: text input, menus and dialogs, and terminal displayIssues related to the terminal user interface: text input, menus and dialogs, and terminal displaybugSomething isn't workingSomething isn't workingwindows-osIssues related to Codex on Windows systemsIssues related to Codex on Windows systems
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TUIIssues related to the terminal user interface: text input, menus and dialogs, and terminal displayIssues related to the terminal user interface: text input, menus and dialogs, and terminal displaybugSomething isn't workingSomething isn't workingwindows-osIssues related to Codex on Windows systemsIssues related to Codex on Windows systems
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What version of Codex CLI is running?
codex-cli 0.125.0
What subscription do you have?
Pro
Which model were you using?
gpt-5.5
What platform is your computer?
Microsoft Windows NT 10.0.26200.0 x64
What terminal emulator and version are you using (if applicable)?
Powershell 7.6.1
What issue are you seeing?
The /copy command does not work inside tmux. If I exit codex, I can copy normally from the tmux session. If I exit tmux and run codex, /copy works normally. Powershell running SSH into Ubuntu 24.04 with tmux 3.4.
What steps can reproduce the bug?
Any prompt will work, I tested using "What's 2+2?" and waiting for the answer.
What is the expected behavior?
Copy the text as per normal.
Additional information
No response