Function inferInitialToolChoiceFromPrompt

src/QueryEngine.ts:1289–1306

(
  prompt: string | Array<ContentBlockParam>,
  tools: Tools,
  explicitToolChoice?: BetaToolChoiceTool | BetaToolChoiceAuto,
)

}

export function inferInitialToolChoiceFromPrompt(
  prompt: string | Array<ContentBlockParam>,
  tools: Tools,
  explicitToolChoice?: BetaToolChoiceTool | BetaToolChoiceAuto,
): BetaToolChoiceTool | BetaToolChoiceAuto | undefined {
  if (explicitToolChoice || !hasActionableTools(tools)) {
    return explicitToolChoice
  }

  const text = promptTextForToolObligation(prompt)
  if (!text.trim()) {
    return undefined
  }

  return TOOL_OBLIGATION_PATTERNS.some(pattern => pattern.test(text))
    ? { type: 'any' }
    : undefined
}

/**
 * REPL-facing QueryEngine seam.