Function cloneChatTheme

cli/src/utils/theme-system.ts:1057–1067

(input: ChatTheme)

 * Properly handles nested markdown configuration
 */
export const cloneChatTheme = (input: ChatTheme): ChatTheme => ({
  ...input,
  markdown: input.markdown
    ? {
        ...input.markdown,
        headingFg: input.markdown.headingFg
          ? { ...input.markdown.headingFg }
          : undefined,
      }
    : undefined,
})

/**
 * Resolve a theme color value with optional fallback