Function writeState

hooks_src/circuit-breaker.js:68–74

(state)

  const dir = path.dirname(STATE_FILE);
  if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
  const tmpFile = STATE_FILE + '.tmp';
  fs.writeFileSync(tmpFile, JSON.stringify(state, null, 2));
  fs.renameSync(tmpFile, STATE_FILE);
}

/**
 * Handle PostToolUseFailure: track consecutive failures, trip on threshold.
 */
function handleFailure(event) {
  const toolName = event.tool_name || 'unknown';