refactor(gateway): dedupe probe auth resolution

src/gateway/probe-auth.ts

@@ -0,0 +1,32 @@
+import type { OpenClawConfig } from "../config/config.js";
+
+export function resolveGatewayProbeAuth(params: {
+  cfg: OpenClawConfig;
+  mode: "local" | "remote";
+  env?: NodeJS.ProcessEnv;
+}): { token?: string; password?: string } {
+  const env = params.env ?? process.env;
+  const authToken = params.cfg.gateway?.auth?.token;
+  const authPassword = params.cfg.gateway?.auth?.password;
+  const remote = params.cfg.gateway?.remote;
+
+  const token =
+    params.mode === "remote"
+      ? typeof remote?.token === "string" && remote.token.trim()
+        ? remote.token.trim()
+        : undefined
+      : env.OPENCLAW_GATEWAY_TOKEN?.trim() ||
+        (typeof authToken === "string" && authToken.trim() ? authToken.trim() : undefined);
+
+  const password =
+    env.OPENCLAW_GATEWAY_PASSWORD?.trim() ||
+    (params.mode === "remote"
+      ? typeof remote?.password === "string" && remote.password.trim()
+        ? remote.password.trim()
+        : undefined
+      : typeof authPassword === "string" && authPassword.trim()
+        ? authPassword.trim()
+        : undefined);
+
+  return { token, password };
+}