Function periodicWrite

src/utils/telemetry/perfettoTracing.ts:990–1005

* Write the full trace to disk. Errors are logged but swallowed so that a * transient I/O problem does not crash the session — the next periodic tick * (or the final exit write) will retry with a complete snapshot.

()

 * (or the final exit write) will retry with a complete snapshot.
 */
async function periodicWrite(): Promise<void> {
  if (!isEnabled || !tracePath || traceWritten) return

  try {
    await mkdir(dirname(tracePath), { recursive: true })
    await writeFile(tracePath, buildTraceDocument())
    logForDebugging(
      `[Perfetto] Periodic write: ${events.length} events to ${tracePath}`,
    )
  } catch (error) {
    logForDebugging(
      `[Perfetto] Periodic write failed: ${errorMessage(error)}`,
      { level: 'error' },
    )
  }
}

/**
 * Final async write: close open spans and write the complete trace.