Function readHarnessUsage

notfair-cmo/src/server/harness-usage.ts:75–90

(
  adapter: "claude-code-local" | "codex-local",
)

const CACHE_TTL_MS = 60_000;

export async function readHarnessUsage(
  adapter: "claude-code-local" | "codex-local",
): Promise<HarnessUsage> {
  const hit = cache.get(adapter);
  if (hit && hit.until > Date.now()) return hit.value;
  let value: HarnessUsage;
  try {
    if (adapter === "codex-local") value = await readCodexUsage();
    else if (adapter === "claude-code-local") value = readClaudeUsage();
    else value = { kind: "unknown" };
  } catch {
    value = { kind: "unknown" };
  }
  cache.set(adapter, { until: Date.now() + CACHE_TTL_MS, value });
  return value;
}

async function readCodexUsage(): Promise<HarnessUsage> {
  const authFile = path.join(os.homedir(), ".codex", "auth.json");