[BUG] Searching by agent does not work

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?

Cannot type @agent-<name> anymore.

What Should Happen?

Should show agents to pick from.

Error Messages/Logs

Steps to Reproduce

1. create couple subagents in .claude/agents named f.e frontend-a and frontend-b
2. start claude and type only @agent-frontend
3. should show list of agents to pick from

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

no idea, check changelog

Claude Code Version

2.1.7

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_