Cannot enter multiline strings

[mrexodia]

Which version line?

v2 — current (@modelcontextprotocol/inspector@latest)

Which client?

Web

Inspector version

2.2.0

Node version

v24.13.0

Operating system (and browser, for the web client)

macOS, Chrome

Transport

Not applicable / never connected

MCP server under inspection

https://github.com/mrexodia/zeromcp/blob/master/examples/mcp_example.py

Steps to reproduce

1. Run npx -y @modelcontextprotocol/inspector
2. Go to any tool accepting a string parameter
3. Try to press Enter/Ctrl+Enter/Shift+Enter/Cmd+Enter
4. No newline added

Expected behavior

It should be possible to press Enter to add a newline

Actual behavior

Nothing happens

Logs, errors, or screenshots

No response

Already prototyped a fix?

No response

Before you submit

• I searched existing issues and this is not a duplicate.
• This is not a security vulnerability report (those go through the private advisory process).