Function probe

src/tools/network/network-optimize.ts:64–78

(url: string, timeoutMs: number)

};

async function probe(url: string, timeoutMs: number): Promise<{ reachable: boolean; latencyMs: number | null }> {
  const start = Date.now();
  const ctrl = new AbortController();
  const t = setTimeout(() => ctrl.abort(), timeoutMs);
  try {
    const res = await proxyFetch(url, { method: 'GET', signal: ctrl.signal, redirect: 'follow' });
    clearTimeout(t);
    // Any HTTP response (even 4xx) means the host is reachable; we only care that
    // the TCP+TLS+routing path works, not the specific status.
    return { reachable: res.status > 0, latencyMs: Date.now() - start };
  } catch {
    clearTimeout(t);
    return { reachable: false, latencyMs: null };
  }
}

const Args = z.object({
  ecosystems: z.array(z.enum(['npm', 'pip', 'huggingface', 'github'])).optional()