Preserve RRD preview frames and clarify onboard K1 status

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

@@ -35,11 +35,28 @@ test('active acquisition exposes STOP and Rerun without another START',()=>{
  const active={...device,control:{...device.control,can_start:false,can_stop:true},snapshot:{...device.snapshot,acquisition:'streaming'}};
  const markup=render(active);
  assert.match(markup,/Остановить устройство/);
- assert.match(markup,/sensor-live-layout/);
+ assert.match(markup,/k1-preview-spatial/);
+ assert.match(markup,/>Статус</);
+ assert.match(markup,/>Rerun</);
+ assert.doesNotMatch(markup,/Восстановить просмотр|nodedc-activity-indicator/);
  assert.doesNotMatch(markup,/Инициировать запуск|Обновить просмотр/);
  assert.equal(presentation.k1ManualState(active,false).canStart,false);
  assert.equal(presentation.k1ManualState(active,false).showStop,true);
 });
+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/);
+});
+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}};
+ const markup=render(stopped);
+ assert.match(markup,/Устройство остановлено/);
+ assert.match(markup,/Проверить состояние K1/);
+ assert.doesNotMatch(markup,/Инициировать запуск|нет управления/);
+});
 test('enrollment handoff opens only the verified current session',()=>{
  const inventory={fresh:true,items:[device],operations:[]};
  assert.equal(enrolledDevice(inventory,'exact-session'),device);