Function appendSkillMenuLines

packages/node-runtime/src/ai/skill-menu.ts:33–44

(baseMenu: string | null | undefined, lines: readonly string[])

}

export function appendSkillMenuLines(baseMenu: string | null | undefined, lines: readonly string[]): string | null {
  const visibleLines = normalizeSkillMenuLines(lines)
  if (visibleLines.length === 0) return baseMenu ?? null
  if (!baseMenu) return buildSkillMenuText(visibleLines)

  const insertion = `\n${visibleLines.join('\n')}`
  if (!baseMenu.includes(SKILL_MENU_CLOSING_BLOCK)) {
    return `${baseMenu}${insertion}`
  }

  return baseMenu.replace(SKILL_MENU_CLOSING_BLOCK, `${insertion}${SKILL_MENU_CLOSING_BLOCK}`)
}

function normalizeSkillMenuLines(lines: readonly string[]): string[] {
  return lines.map((line) => line.trim()).filter(Boolean)