feat: add one-paste node onboarding (#122499)

* feat(pairing): add short join onboarding

* fix(gateway): isolate device join routing tests

src/cli/devices-cli.runtime.ts

@@ -942,6 +942,30 @@ export async function runDevicesListCommand(opts: DevicesRpcOpts): Promise<void>
   }
 }
 
+export async function runDevicesJoinCodeCommand(opts: DevicesRpcOpts): Promise<void> {
+  const result = await callGatewayCli(
+    "device.pair.setupCode",
+    opts,
+    {
+      bootstrapProfile: "node",
+      includeQr: false,
+      joinUrl: true,
+    },
+    { scopes: [ADMIN_SCOPE] },
+  );
+  const joinUrl = normalizeOptionalString((result as { joinUrl?: unknown }).joinUrl);
+  if (!joinUrl) {
+    throw new Error("Gateway did not return a device join URL.");
+  }
+  const command = `npx openclaw connect ${quoteCliArg(joinUrl)}`;
+  if (opts.json) {
+    defaultRuntime.writeJson({ joinUrl, command });
+    return;
+  }
+  defaultRuntime.log(joinUrl);
+  defaultRuntime.log(command);
+}
+
 export async function runDevicesRemoveCommand(
   deviceId: string,
   opts: DevicesRpcOpts,