test(browser): cover SAZ capture-level null member limitation

src/browser/history/NodeCaptureAdapter.test.ts

@@ -2,6 +2,13 @@ import { expect, it, vi } from "vitest";
 import { AnalysisCapabilityUnavailableError } from "../../domain/analysisErrorCore.js";
 import { NodeCaptureAdapter } from "./NodeCaptureAdapter.js";
 
+it.each(["har", "qlog"] as const)(
+  "keeps SAZ-specific limitations out of %s captures",
+  (format) => {
+    expect(new NodeCaptureAdapter(format).limitations).toEqual([]);
+  },
+);
+
 vi.mock("./CaptureRelease.js", async (original) => ({
   ...(await original<typeof import("./CaptureRelease.js")>()),
   NODE_CAPTURE_HEAP_ENFORCED: false,

tests/boundary/browser/sazWebCapture.test.ts

@@ -640,13 +640,18 @@ it("reports zero-byte SAZ HTTP members as null instead of rejecting the archive"
     (await cli(path)).normalized_result,
   );
   expect(capture.total_records).toBe(2);
+  expect(capture.limitations).toContainEqual(
+    expect.stringMatching(
+      /\babsent\b[^.]*\bzero-byte\b[^.]*\bHTTP members\b[^.]*\bnull\b/iu,
+    ),
+  );
   expect(capture.records[0]?.reported).toMatchObject({
-    request: { method: "GET" },
+    request: { method: "GET", body: "" },
     response: null,
   });
   expect(capture.records[1]?.reported).toMatchObject({
     request: null,
-    response: { status: "204" },
+    response: { status: "204", body: "" },
     websocket: { member: "raw/2_w.txt" },
   });
   expect(capture.records[0]?.location).toEqual({