Function hasUltrathinkKeyword

src/utils/thinking.ts:29–31

(text: string)

 * Check if text contains the "ultrathink" keyword.
 */
export function hasUltrathinkKeyword(text: string): boolean {
  return /\bultrathink\b/i.test(text)
}

/**
 * Find positions of "ultrathink" keyword in text (for UI highlighting/notification)