feat(gateway): add tailscale auth + pam

src/gateway/call.ts

@@ -5,6 +5,8 @@ import { PROTOCOL_VERSION } from "./protocol/index.js";
 export type CallGatewayOptions = {
   url?: string;
   token?: string;
+  username?: string;
+  password?: string;
   method: string;
   params?: unknown;
   expectFinal?: boolean;
@@ -35,6 +37,8 @@ export async function callGateway<T = unknown>(
     const client = new GatewayClient({
       url: opts.url,
       token: opts.token,
+      username: opts.username,
+      password: opts.password,
       instanceId: opts.instanceId ?? randomUUID(),
       clientName: opts.clientName ?? "cli",
       clientVersion: opts.clientVersion ?? "dev",