1  /**
 2   * If the first line of a bash command is a `# comment` (not a `#!` shebang),
 3   * return the comment text stripped of the `#` prefix. Otherwise undefined.
 4   *
 5   * Under fullscreen mode this is the non-verbose tool-use label AND the
 6   * collapse-group ⎿ hint — it's what Claude wrote for the human to read.
 7   */
 8  export function extractBashCommentLabel(command: string): string | undefined {
 9    const nl = command.indexOf('\n')
10    const firstLine = (nl === -1 ? command : command.slice(0, nl)).trim()
11    if (!firstLine.startsWith('#') || firstLine.startsWith('#!')) return undefined
12    return firstLine.replace(/^#+\s*/, '') || undefined
13  }