'Follow codex-acp' does not follow

[OneFreemanWill]

Reproduction steps

The 'Follow codex-acp' feature simply does not work.

1. Click the button
2. The right pane gets highlighted
3. Ask Codex to do things
4. There is no following

Current vs. Expected behavior

It does not follow Codex, but it should.

Zed version and system specs

Zed: v1.15.0+stable.339.e17dc4f9d50db73a458b64dcce50ecd4878b98a3 (Zed)
OS: Windows 10.0.26200
Memory: 63.8 GiB
Architecture: x86_64
GPU: AMD Radeon RX 7600 XT || AMD Corporation || 26.6.4 (26.10.21.05-260626a-202082C-AMD-Software-Adrenalin-Edition)

Attach Zed log file

Zed.log

Relevant Zed settings

settings.json

Relevant Keymap

keymap.json

(for AI issues) Model provider details

No response

If you are using WSL on Windows, what flavor of Linux are you using?

None

[zed-community-bot]

This issue appears to be a duplicate of:

• Option follow agent not working in Cursor CLI #62392

If this is indeed a duplicate:
Please close this issue and subscribe to the linked issue for updates (select "Close as not planned" → "Duplicate")

If this is a different issue:
No action needed. A maintainer will review this shortly.

Why were these issues selected?

#62392: Both issues report that the 'follow agent' feature does nothing when enabled — the new issue says 'Follow codex-acp' does not follow Codex actions, and #62392 says 'follow cursor' has no effect when using Cursor CLI via ACP. Same feature, same symptom (button activates/highlights but editor doesn't track agent changes), just different ACP agents.

Shared root cause: The 'follow agent' feature in the ACP thread panel does not cause the editor to track files being modified by the agent, regardless of which ACP agent is selected.

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_{This is an automated analysis and might be incorrect.}