[BUG] Use `/rename` to create custom title will hide `effort` and `/fast on/off`

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

If /rename is not called, it will show model effort and fast mode status like below:

─ ▪▪▪ · ↯ ─

but if /rename is called, these two info will be overwritten and only custom title is left, like below:

─ [some-title] ──

What Should Happen?

I think this is a bug, all of these three info are useful and valuable. We should be able to support something like

─ [some-title]  ▪▪▪ · ↯  ──

Error Messages/Logs

No error message, this is functional bug

Steps to Reproduce

1. run /fast and enable fast mode by tab and enter
2. run /rename

Claude Model

Opus

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

2.1.71

Platform

Other

Operating System

Other Linux

Terminal/Shell

Other

Additional Information

All of these 3 infos should be displayed at the same time