[FEATURE] Suppress claude code header via config or cli option

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

Claude header when opened in multiple tmux windows via script that opens them all at the same time is a bit of an eye sore.

Proposed Solution

A flag that allows us to remove the header, or just get a minimal 1 line version with the claude version

Alternative Solutions

_No response_

Priority

Critical - Blocking my work

Feature Category

CLI commands and flags

Use Case Example

_No response_

Additional Context

_No response_