Function withTokenCountVCR

src/services/vcr.ts:383–407

(
  messages: unknown[],
  tools: unknown[],
  f: () => Promise<number | null>,
)

}

export async function withTokenCountVCR(
  messages: unknown[],
  tools: unknown[],
  f: () => Promise<number | null>,
): Promise<number | null> {
  // Dehydrate before hashing so fixture keys survive cwd/config-home/tempdir
  // variation and message UUID/timestamp churn. System prompts embed the
  // working directory (both raw and as a slash→dash project slug in the
  // auto-memory path) and messages carry fresh UUIDs per run; without this,
  // every test run produces a new hash and fixtures never hit in CI.
  const cwdSlug = getCwd().replace(/[^a-zA-Z0-9]/g, '-')
  const dehydrated = (
    dehydrateValue(jsonStringify({ messages, tools })) as string
  )
    .replaceAll(cwdSlug, '[CWD_SLUG]')
    .replace(
      /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/gi,
      '[UUID]',
    )
    .replace(/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?Z?/g, '[TIMESTAMP]')
  const result = await withFixture(dehydrated, 'token-count', async () => ({
    tokenCount: await f(),
  }))
  return result.tokenCount
}