fix(status): keep gateway selection out of JSON stdout

src/lib/actions/sandbox/gateway-select.test.ts

@@ -20,10 +20,26 @@ describe("selectSandboxOwningGateway", () => {
     expect(selected).toEqual({ outcome: "selected", gatewayName: "nemoclaw-8091" });
     expect(run).toHaveBeenCalledWith(
       ["gateway", "select", "nemoclaw-8091"],
-      expect.objectContaining({ ignoreError: true }),
+      expect.objectContaining({
+        ignoreError: true,
+        stdio: ["inherit", "pipe", "inherit"],
+      }),
     );
   });
 
+  it("replays selection output through the parent stdout writer", () => {
+    vi.spyOn(registry, "getSandbox").mockReturnValue({ gatewayPort: 8080 } as never);
+    const output = "\u001b[32m✓ Active gateway set to 'nemoclaw'\u001b[0m\n";
+    const run = vi.fn(() => ({ status: 0, stdout: output }) as never);
+    const write = vi.spyOn(process.stdout, "write").mockImplementation(() => true);
+
+    expect(selectSandboxOwningGateway("alpha", run)).toEqual({
+      outcome: "selected",
+      gatewayName: "nemoclaw",
+    });
+    expect(write).toHaveBeenCalledWith(output);
+  });
+
   it("keeps the bare default gateway name for a default-port sandbox", () => {
     vi.spyOn(registry, "getSandbox").mockReturnValue({ gatewayPort: 8080 } as never);
     const run = vi.fn(() => ({ status: 0 }) as never);

src/lib/actions/sandbox/gateway-select.ts

@@ -20,8 +20,10 @@ export function selectSandboxOwningGateway(
   if (!targetGatewayName) return { outcome: "unregistered", gatewayName: null };
   const result = run(["gateway", "select", targetGatewayName], {
     ignoreError: true,
+    stdio: ["inherit", "pipe", "inherit"],
     timeout: OPENSHELL_OPERATION_TIMEOUT_MS,
   });
+  if (result.stdout) process.stdout.write(result.stdout);
   if (result.error || result.status !== 0) {
     return { outcome: "failed", gatewayName: targetGatewayName };
   }

test/cli/sandbox-status-json.test.ts

@@ -133,6 +133,10 @@ describe("CLI sandbox status JSON output", testTimeoutOptions(20_000), () => {
       path.join(localBin, "openshell"),
       [
         "#!/usr/bin/env bash",
+        'if [ "$1" = "gateway" ] && [ "$2" = "select" ]; then',
+        "  printf \"\\033[32m✓ Active gateway set to 'nemoclaw'\\033[0m\\n\"",
+        "  exit 0",
+        "fi",
         'if [ "$1" = "inference" ] && [ "$2" = "get" ]; then',
         "  echo 'Gateway inference:'",
         "  echo",
@@ -168,6 +172,7 @@ describe("CLI sandbox status JSON output", testTimeoutOptions(20_000), () => {
     expect(r.out.trim().endsWith("}")).toBe(true);
     expect(r.out).not.toContain("Sandbox: ");
     expect(r.out).not.toContain("Nonexistent flag: --json");
+    expect(r.out).not.toContain("Active gateway set");
 
     const parsed = JSON.parse(r.out);
     expect(parsed).toMatchObject({