Function writeTraceFiles

scripts/export-deepseek-session-traces.ts:443–480

(params: {
  outputPath: string
  traceDir: string | null
  dataset: string
  generatedAt: string
  traces: SessionTrace[]
})

type SessionTrace = ReturnType<typeof buildTrace>

async function writeTraceFiles(params: {
  outputPath: string
  traceDir: string | null
  dataset: string
  generatedAt: string
  traces: SessionTrace[]
}) {
  const { outputPath, dataset, generatedAt, traces } = params
  const traceDir =
    params.traceDir ?? join(dirname(outputPath), 'deepseek-session-traces')

  await mkdir(traceDir, { recursive: true })

  const files: string[] = []
  for (const trace of traces) {
    const fileName = [
      safeFilePart(trace.model),
      safeFilePart(trace.client_id),
    ].join('__')
    const filePath = join(traceDir, `${fileName}.json`)

    await Bun.write(
      filePath,
      JSON.stringify(
        {
          generated_at: generatedAt,
          dataset,
          ...trace,
        },
        null,
        2,
      ),
    )
    files.push(filePath)
  }

  return files
}

async function main() {
  const args = parseArgs()