Terminal pets do not work in Windows Terminal because image protocol is not detected

What version of Codex CLI is running?

codex-cli 0.142.1

What subscription do you have?

ChatGPT Plus

Which model were you using?

gpt-5.2-codex

What platform is your computer?

Windows 11 x64 -- (Output from PowerShell:) $([Environment]::OSVersion | ForEach-Object VersionString) $(if ([Environment]::Is64BitOperatingSystem) { "x64" } else { "x86" })

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

Windows Terminal ,PowerShell

Codex doctor report

What issue are you seeing?

Pets aren’t available in this terminal. Terminal pets need image support, and this terminal environment doesn’t expose a supported image protocol.

What steps can reproduce the bug?

Install the latest Codex CLI.
Open Windows Terminal (PowerShell).
Launch Codex CLI.
Enable or trigger terminal pets.
Observe the warning:

What is the expected behavior?

_No response_

Additional information

Operating System: Windows 11 x64
Terminal: Windows Terminal + PowerShell
Feature affected: Terminal Pets
The issue appears related to image protocol detection (Kitty Graphics/Sixel).
It would be helpful if Codex could detect Windows Terminal separately and provide more specific guidance instead of the generic unsupported-terminal message.