CLI: network drop during Thinking/Working shows no immediate disconnect indicator

[ClarkOhlenbusch]

What version of Codex CLI is running?

codex-cli 0.104.0

What subscription do you have?

Team

Which model were you using?

codex 5.3 xhigh (seen while the agent is in Thinking/Working)

What platform is your computer?

Darwin 25.1.0 arm64 arm

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

Apple Terminal (TERM_PROGRAM=Apple_Terminal, TERM=xterm-256color)

What issue are you seeing?

If internet connectivity drops while an active turn is still Thinking/Working, there is no immediate on-screen indication that the connection was lost. The UI keeps showing Thinking/Working as if the turn were progressing normally. This continues indefinitely.

What steps can reproduce the bug?

1. Start Codex CLI and submit a prompt that keeps the turn active for several seconds.
2. While the status row shows Thinking/Working, disable internet connectivity (for example, turn Wi-Fi off).
3. Wait a bit (optionally re-enable connectivity).
4. Observe that the status can continue to show Thinking/Working without an immediate disconnect/reconnect indication.

What is the expected behavior?

When stream/transport connectivity is lost mid-turn, the CLI should promptly show an explicit status (for example Reconnecting... or Connection lost) instead of only showing Thinking/Working.

Additional information

• This is different from resume-specific stale Working bugs; this report is about a live active turn when connectivity drops.
• Possibly related issues:
  • CLI: resume can get stuck on Working after unclean disconnect/shutdown of an active turn #12382 (resume can get stuck on Working after unclean disconnect)
  • Stuck in reconnecting loop. Finally times out 5/5 with message: "stream disconnected before completion: error sending request for url (https://chatgpt.com/backend-api/codex/responses) #12548 (reconnecting loop until timeout)
  • Stream disconnect when working with spark model #11680 (stream disconnect while working with retries)
• User impact: it looks like normal model progress even when transport has already dropped.

[github-actions]

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

• Stuck in reconnecting loop. Finally times out 5/5 with message: "stream disconnected before completion: error sending request for url (https://chatgpt.com/backend-api/codex/responses) #12548
• Stream disconnect when working with spark model #11680
• Resume after reconnecting can show stale working state without model invocation #11852

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[terryjyu]

Also experienced this multiple times after network disconnection. codex-cli 0.104.0 in linux