Function parseElicitationHookOutput

src/utils/hooks.ts:4547–4636

* Parse elicitation-specific fields from a HookOutsideReplResult. * Mirrors the relevant branches of processHookJSONOutput for Elicitation * and ElicitationResult hook events.

(
  result: HookOutsideReplResult,
  expectedEventName: 'Elicitation' | 'ElicitationResult',
)

 * and ElicitationResult hook events.
 */
function parseElicitationHookOutput(
  result: HookOutsideReplResult,
  expectedEventName: 'Elicitation' | 'ElicitationResult',
): {
  response?: ElicitationResponse
  blockingError?: HookBlockingError
} {
  // Exit code 2 = blocking (same as executeHooks path)
  if (result.blocked && !result.succeeded) {
    return {
      blockingError: {
        blockingError: result.output || `Elicitation blocked by hook`,
        command: result.command,
      },
    }
  }

  if (!result.output.trim()) {
    return {}
  }

  // Try to parse JSON output for structured elicitation response
  const trimmed = result.output.trim()
  if (!trimmed.startsWith('{')) {
    return {}
  }

  try {
    const parsed = hookJSONOutputSchema().parse(JSON.parse(trimmed))
    if (isAsyncHookJSONOutput(parsed)) {
      return {}
    }
    if (!isSyncHookJSONOutput(parsed)) {
      return {}
    }

    // Cast to typed interface for type-safe property access
    const typedParsed = parsed as TypedSyncHookOutput

    // Check for top-level decision: 'block' (exit code 0 + JSON block)
    if (typedParsed.decision === 'block' || result.blocked) {
      return {
        blockingError: {
          blockingError: typedParsed.reason || 'Elicitation blocked by hook',
          command: result.command,
        },
      }
    }

    const specific = typedParsed.hookSpecificOutput
    if (!specific || specific.hookEventName !== expectedEventName) {
      return {}
    }

    if (!('action' in specific) || !(specific as { action?: string }).action) {
      return {}
    }