Function start

browse/src/server.ts:2859–3134

()

}

export async function start() {
  // Clear old log files
  safeUnlink(CONSOLE_LOG_PATH);
  safeUnlink(NETWORK_LOG_PATH);
  safeUnlink(DIALOG_LOG_PATH);

  const port = await findPort();
  LOCAL_LISTEN_PORT = port;

  // ─── Proxy config (D8 + codex F5) ──────────────────────────────
  // BROWSE_PROXY_URL is set by the CLI when --proxy was passed. For SOCKS5
  // with auth, we run a local 127.0.0.1 bridge that relays to the
  // authenticated upstream (Chromium can't do SOCKS5 auth itself). For
  // HTTP/HTTPS or unauthenticated SOCKS5, we pass the URL directly to
  // Chromium's proxy.server option.
  let proxyBridge: BridgeHandle | null = null;
  const proxyUrl = process.env.BROWSE_PROXY_URL;
  if (proxyUrl) {
    let parsed;
    try {
      parsed = parseProxyConfig({
        proxyUrl,
        envUser: process.env.BROWSE_PROXY_USER,
        envPass: process.env.BROWSE_PROXY_PASS,
      });
    } catch (err) {
      if (err instanceof ProxyConfigError) {
        console.error(`[browse] error: ${err.message} (${err.hint})`);
        process.exit(1);
      }
      throw err;
    }

    if (parsed.scheme === 'socks5' && parsed.hasAuth) {
      // Pre-flight: verify upstream accepts our creds before launching
      // Chromium. 5s budget, 3 retries with 500ms backoff (D4: handles VPN
      // warm-up race). On failure, exit with redacted error.
      console.log(`[browse] Testing SOCKS5 upstream ${redactProxyUrl(proxyUrl)}...`);
      try {
        const test = await testUpstream({
          upstream: toUpstreamConfig(parsed),
          budgetMs: 5000,
          retries: 3,
          backoffMs: 500,
        });
        console.log(`[browse] [proxy] upstream test ok in ${test.ms}ms (${test.attempts} attempt${test.attempts === 1 ? '' : 's'})`);
      } catch (err) {
        const msg = err instanceof Error ? err.message : String(err);
        console.error(`[browse] [proxy] FAIL upstream ${redactProxyUrl(proxyUrl)}: ${msg}`);
        process.exit(1);
      }

      proxyBridge = await startSocksBridge({ upstream: toUpstreamConfig(parsed) });
      console.log(`[browse] [proxy] bridge listening on 127.0.0.1:${proxyBridge.port}`);
      browserManager.setProxyConfig({ server: `socks5://127.0.0.1:${proxyBridge.port}` });
    } else {
      // HTTP/HTTPS or unauth SOCKS5 — pass through to Chromium directly.
      browserManager.setProxyConfig({