Function sideQuery

src/utils/sideQuery.ts:107–222

(opts: SideQueryOptions)

 * await sideQuery({ querySource: 'model_validation', model, max_tokens: 1, messages: [{ role: 'user', content: 'Hi' }] })
 */
export async function sideQuery(opts: SideQueryOptions): Promise<BetaMessage> {
  const {
    model,
    system,
    messages,
    tools,
    tool_choice,
    output_format,
    max_tokens = 1024,
    maxRetries = 2,
    signal,
    skipSystemPromptPrefix,
    temperature,
    thinking,
    stop_sequences,
  } = opts

  const client = await getAnthropicClient({
    maxRetries,
    model,
    source: 'side_query',
  })
  const betas = [...getModelBetas(model)]
  // Add structured-outputs beta if using output_format and provider supports it
  if (
    output_format &&
    modelSupportsStructuredOutputs(model) &&
    !betas.includes(STRUCTURED_OUTPUTS_BETA_HEADER)
  ) {
    betas.push(STRUCTURED_OUTPUTS_BETA_HEADER)
  }

  // Extract first user message text for fingerprint
  const messageText = extractFirstUserMessageText(messages)

  // Compute fingerprint for OAuth attribution
  const fingerprint = computeFingerprint(messageText, MACRO.VERSION)
  const attributionHeader = getAttributionHeader(fingerprint)

  // Build system as array to keep attribution header in its own block
  // (prevents server-side parsing from including system content in cc_entrypoint)
  const systemBlocks: TextBlockParam[] = [
    attributionHeader ? { type: 'text', text: attributionHeader } : null,
    // Skip CLI system prompt prefix for internal classifiers that provide their own prompt
    ...(skipSystemPromptPrefix
      ? []
      : [
          {
            type: 'text' as const,
            text: getCLISyspromptPrefix({
              isNonInteractive: false,
              hasAppendSystemPrompt: false,
            }),
          },
        ]),
    ...(Array.isArray(system)
      ? system
      : system