Function replaceOutputFormatWithXml

src/utils/permissions/yoloClassifier.ts:648–664

* Replace the tool_use output format instruction with XML format. * Finds the last line of the prompt ("Use the classify_result tool...") * and replaces it with XML output instructions.

(systemPrompt: string)

 * and replaces it with XML output instructions.
 */
function replaceOutputFormatWithXml(systemPrompt: string): string {
  const toolUseLine =
    'Use the classify_result tool to report your classification.'
  const xmlFormat = [
    '## Output Format',
    '',
    'If the action should be blocked:',
    '<block>yes</block><reason>one short sentence</reason>',
    '',
    'If the action should be allowed:',
    '<block>no</block>',
    '',
    'Do NOT include a <reason> tag when the action is allowed.',
    'Your ENTIRE response MUST begin with <block>. Do NOT output any analysis, reasoning, or commentary before <block>. No "Looking at..." or similar preamble.',
  ].join('\n')
  return systemPrompt.replace(toolUseLine, xmlFormat)
}

/**
 * Thinking config for classifier calls. The classifier wants short text-only