fix: keep successful Mantis Slack summaries clean

extensions/qa-lab/src/mantis/slack-desktop-smoke.runtime.test.ts

@@ -404,7 +404,7 @@ describe("mantis Slack desktop smoke runtime", () => {
       warning?: string;
     };
     expect(summary.status).toBe("pass");
-    expect(summary.warning).toContain("remote command exited 1");
+    expect(summary.warning).toBeUndefined();
   });
 
   it("copies the screenshot before reporting a failed remote Slack QA run", async () => {

extensions/qa-lab/src/mantis/slack-desktop-smoke.runtime.ts

@@ -912,9 +912,6 @@ export async function runMantisSlackDesktopSmoke(
     if (gatewaySetup && !gatewaySetupCompleted) {
       throw new Error("Slack desktop gateway setup did not report a live OpenClaw gateway.");
     }
-    const ignoredRemoteRunError = remoteRunError
-      ? `Crabbox returned a non-zero command status after the gateway setup completed: ${formatErrorMessage(remoteRunError)}`
-      : undefined;
     summary = {
       artifacts: {
         reportPath,
@@ -938,7 +935,6 @@ export async function runMantisSlackDesktopSmoke(
       slackUrl: trimToValue(remoteMetadata?.openedUrl) ?? slackUrl,
       startedAt: startedAt.toISOString(),
       status: "pass",
-      warning: ignoredRemoteRunError,
     };
     return {
       outputDir,