fix(e2e): bound release scenario JSON artifacts

test/scripts/release-scenarios-assertions.test.ts

@@ -129,6 +129,31 @@ describe("release scenario assertions", () => {
     }
   });
 
+  it("rejects oversized JSON artifacts before parsing release scenario outputs", () => {
+    const root = mkdtempSync(path.join(tmpdir(), "openclaw-release-scenarios-"));
+    const outputPath = path.join(root, "describe.json");
+    const requestLogPath = path.join(root, "requests.jsonl");
+
+    try {
+      writeFileSync(
+        outputPath,
+        `DO_NOT_DUMP_OLD_JSON${"x".repeat(2 * 1024 * 1024)}\nrecent json tail`,
+        "utf8",
+      );
+      writeFileSync(requestLogPath, "/v1/responses\n", "utf8");
+
+      const result = runAssertion(["assert-image-describe", outputPath, requestLogPath]);
+
+      expect(result.status).not.toBe(0);
+      expect(result.stderr).toContain("JSON artifact exceeded");
+      expect(result.stderr).toContain("recent json tail");
+      expect(result.stderr).not.toContain("DO_NOT_DUMP_OLD_JSON");
+      expect(result.stderr.length).toBeLessThan(80 * 1024);
+    } finally {
+      rmSync(root, { force: true, recursive: true });
+    }
+  });
+
   it("scans large request logs for image generation requests", () => {
     const root = mkdtempSync(path.join(tmpdir(), "openclaw-release-scenarios-"));
     const outputPath = path.join(root, "generate.json");