Preserve onboard preview recordings across backpressure and share the complete spatial scene

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

@@ -191,11 +191,13 @@ test("XGRIDS frontend is physically plugin-owned and split by operator pipeline"
   assert.match(spatialControls, /role="alert"/);
   assert.doesNotMatch(spatialControls, /Повторить остановку/);
   assert.match(spatialControls, /stopLocalReceiver/);
-  assert.match(spatialControls, /<ActivityIndicator size="compact"/);
-  assert.match(spatialControls, /aria-busy=\{phase\.busy\}/);
-  assert.match(spatialControls, /K1 калибруется и готовит облако точек/);
-  assert.match(spatialControls, /Первые данные могут появиться через десятки секунд/);
-  assert.match(spatialControls, /Не перемещайте устройство/);
+  assert.match(spatialControls, /<K1SpatialSession/);
+  const spatialSession = readFileSync(join(pluginFrontendRoot, "components/K1SpatialSession.tsx"), "utf8");
+  assert.match(spatialSession, /<ActivityIndicator size="compact"/);
+  assert.match(spatialSession, /aria-busy=\{phase\.busy\}/);
+  assert.match(spatialSession, /K1 калибруется и готовит облако точек/);
+  assert.match(spatialSession, /Первые данные могут появиться через десятки секунд/);
+  assert.match(spatialSession, /Не перемещайте устройство/);
 
   const styles = readFileSync(join(pluginFrontendRoot, "styles.css"), "utf8");
   assert.doesNotMatch(styles, /@keyframes xgrids-k1-spin/);

apps/control-station/test/k1ManualControl.test.mjs

@@ -37,7 +37,7 @@ test('active acquisition exposes STOP and Rerun without another START',()=>{
  assert.match(markup,/Остановить устройство/);
  assert.match(markup,/rerun-viewport__canvas/);
  assert.match(markup,/>Статус</);
- assert.match(markup,/>Пространственная модель</);
+ assert.match(markup,/>Пространственная сцена</);
  for(const label of ['Движок','Слои','Отображение','Камера K1','Окно накопления облака точек'])assert.ok(markup.includes(label));
  assert.ok(markup.includes('data-presented="false"'));
  assert.ok(!markup.includes('Loading Rerun'));
@@ -53,8 +53,8 @@ test('calibration loader stays inside the primary action',()=>{
  const starting={...device,control:{...device.control,can_start:false},snapshot:{...device.snapshot,acquisition:'starting'}};
  const markup=render(starting);
  assert.match(markup,/<button[^>]*aria-busy="true"[\s\S]*?nodedc-activity-indicator[\s\S]*?Запускаем устройство<\/button>/);
- assert.equal((markup.match(/nodedc-activity-indicator"/g)||[]).length,1);
- assert.doesNotMatch(markup,/Остановить устройство|k1-preview-spatial/);
+ assert.match(markup,/K1 калибруется и готовит облако точек/);
+ assert.doesNotMatch(markup,/Обновить просмотр/);
 });
 test('completed STOP remains visible while the control connection is checked again',()=>{
  const stopped={...device,online:false,verified:false,control:{...device.control,phase:'completed',can_start:false,network_applied:true}};

apps/control-station/test/k1PreviewFrames.test.mjs

@@ -78,3 +78,16 @@ test('onboard camera admits immediate sourceopen and ignores callbacks after clo
   assert.equal(ready,1);assert.equal(failed,0);
  }finally{globalThis.MediaSource=saved.media;URL.createObjectURL=saved.create;URL.revokeObjectURL=saved.revoke;}
 });
+
+test('a recovered media peer resumes a recording without reinserting old RRD batches',async()=>{
+ const {previewRecording}=await server.ssrLoadModule('@xgrids-k1/frontend/sensors/previewFrames.ts');
+ const sent=[];const cursor=previewRecording(value=>sent.push(value));
+ const payload=new Uint8Array(12);payload.set([82,82,70,50]);
+ assert.equal(cursor.accept(1,payload),true);
+ // The ACK was lost, so the new peer resends the exact complete batch.
+ assert.equal(cursor.accept(1,payload),false);
+ assert.equal(cursor.after,1);
+ assert.throws(()=>cursor.accept(3,payload),/cursor gap/);
+ assert.equal(cursor.accept(2,payload),true);
+ assert.equal(sent.length,2);
+});