fix(lab): стабилизировать нативный RAV004 replay

apps/control-station/test/observationSources.test.mjs

@@ -42,6 +42,8 @@ let resolveRecordedBlueprintUrl;
 let fetchRecordedBlueprintRrd;
 let resolveRecordedPerceptionUrl;
 let fetchRecordedPerceptionRrd;
+let resolveRecordedPerceptionViewerSourceUrl;
+let probeRecordedPerceptionViewerSource;
 let resolveRecordedPointColorsUrl;
 let fetchRecordedPointColorsRrd;
 let recordedPointColorKey;
@@ -110,6 +112,8 @@ before(async () => {
     fetchRecordedBlueprintRrd,
     resolveRecordedPerceptionUrl,
     fetchRecordedPerceptionRrd,
+    resolveRecordedPerceptionViewerSourceUrl,
+    probeRecordedPerceptionViewerSource,
     resolveRecordedPointColorsUrl,
     fetchRecordedPointColorsRrd,
     recordedPointColorKey,
@@ -666,6 +670,41 @@ test("recorded perception fetch admits one complete same-origin RRD or no layer"
   assert.equal(absent, null);
 });
 
+test("LAB perception sidecar is streamed by native Rerun from one generation-bound URL", async () => {
+  const endpoint =
+    `http://127.0.0.1:5174/api/v1/laboratory/vegetation-shadow/` +
+    `lab-v1-vegetation-shadow-${"a".repeat(64)}/canonical-overlay.rrd`;
+  const sourceUrl = resolveRecordedPerceptionViewerSourceUrl(
+    endpoint,
+    { applicationId: "nodedc_mission_core_recorded", recordingId: "recording-001" },
+    "b".repeat(64),
+    "http://127.0.0.1:5174",
+  );
+  assert.equal(
+    sourceUrl,
+    `${endpoint}?application_id=nodedc_mission_core_recorded` +
+      `&recording_id=recording-001&generation=${"b".repeat(64)}`,
+  );
+
+  const byteLength = await probeRecordedPerceptionViewerSource(sourceUrl, {
+    origin: "http://127.0.0.1:5174",
+    fetcher: async (input, init) => {
+      assert.equal(String(input), sourceUrl);
+      assert.equal(init.method, "GET");
+      assert.equal(new Headers(init.headers).get("Range"), "bytes=0-3");
+      return new Response(Uint8Array.from([0x52, 0x52, 0x46, 0x32]), {
+        status: 206,
+        headers: {
+          "Content-Type": "application/vnd.rerun.rrd",
+          "Content-Length": "4",
+          "Content-Range": "bytes 0-3/393203594",
+        },
+      });
+    },
+  });
+  assert.equal(byteLength, 393_203_594);
+});
+
 test("recorded replay creates an isolated source catalog without live device bindings", () => {
   const sources = recordedObservationSources({
     kind: "rerun-recording",