fix(e2e): cancel readiness probe bodies

scripts/lib/openclaw-e2e-instance.sh

@@ -474,14 +474,16 @@ openclaw_e2e_probe_http() {
     const controller = new AbortController();
     const timer = setTimeout(() => controller.abort(), timeoutMs);
     let exitCode = 1;
+    let response;
     try {
-      const response = await fetch(process.argv[1], { signal: controller.signal });
+      response = await fetch(process.argv[1], { signal: controller.signal });
       const passed = expected === "ok" ? response.ok : response.status === Number(expected);
       exitCode = passed ? 0 : 1;
     } catch {
       exitCode = 1;
     } finally {
       clearTimeout(timer);
+      await response?.body?.cancel?.().catch(() => undefined);
     }
     process.exit(exitCode);
   ' "$1" "${2:-ok}" "${3:-400}"

test/scripts/openclaw-e2e-instance.test.ts

@@ -849,6 +849,12 @@ exit 1
     }
   });
 
+  it("cancels HTTP readiness probe response bodies", () => {
+    const helper = fs.readFileSync(helperPath, "utf8");
+
+    expect(helper).toContain("await response?.body?.cancel?.().catch(() => undefined);");
+  });
+
   it("does not repeatedly grep the full gateway log while waiting for readiness", () => {
     const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-e2e-readyz-incremental-"));
     try {