Stream disconnected before completion when using proxy - Code review interrupted #14583

What version of Codex CLI is running?

codex-cli 0.114.0

What subscription do you have?

OpenAI Codex / ChatGPT Plus

Which model were you using?

gpt-5.4

What platform is your computer?

Linux 6.18.12-200.fc43.x86_64 x86_64 unknown

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

Bash terminal with proxy configuration

What issue are you seeing?

Stream disconnection errors during code review:

■ stream disconnected before completion: error sending request for url
(https://chatgpt.com/backend-api/codex/responses)

Conversation interrupted - tell the model what to do differently.

The code review process fails repeatedly and returns:

Review was interrupted. Please re-run /review and wait for it to complete.

What steps can reproduce the bug?

1. Configure codex CLI with HTTP proxy
2. Run /review command on a project
3. Wait for code review to process
4. Stream disconnects before completion

What is the expected behavior?

Code review should complete successfully without stream disconnection errors, even when using a proxy.

Additional information

The issue appears to be related to proxy configuration causing stream timeouts or connection drops during long-running API requests. This may affect users behind corporate proxies or in regions requiring proxy access.