fix(ui): unify connectivity labels and move contour refresh to header

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

@@ -33,7 +33,7 @@ test('actual registries determine node count and offline boards prevent all-onli
  const calls=installFetch(t);
  const snapshot=await readContourSnapshot(new AbortController().signal);
  assert.equal(snapshot.workers[0].contour.display_name,'Test compute');
- assert.deepEqual(contourSummary(snapshot),{tone:'warning',label:'Часть узлов не на связи',online:2,total:3});
+ assert.deepEqual(contourSummary(snapshot),{tone:'warning',label:'Часть узлов не в сети',online:2,total:3});
  assert.equal(calls.length,4);
 });
 test('failed checks discard previous online data and distinguish unknown from empty',async t=>{
@@ -54,5 +54,24 @@ test('invalid health never becomes reachable; identity mismatch and stale worker
 });
 test('an empty configured contour contains only the operator, with no fabricated worker',async t=>{
  installFetch(t,{data:{'/api/v1/system/contours':{schema_version:'missioncore.compute-contour-catalog/v1',contours:[]},'/api/v1/fleet':{items:[]}}});
- assert.deepEqual(contourSummary(await readContourSnapshot(new AbortController().signal)),{tone:'success',label:'Все узлы на связи',online:1,total:1});
+ assert.deepEqual(contourSummary(await readContourSnapshot(new AbortController().signal)),{tone:'success',label:'Все узлы в сети',online:1,total:1});
+});
+
+test('receiver failure leaves worker unknown instead of declaring it offline',async t=>{
+ installFetch(t,{data:{'/api/v1/system/contours/test-compute/telemetry?history=90':{...worker,node:null,connection:{reachable:false,identity_matches:false,error_code:'telemetry-receiver-unavailable'}}}});
+ const snapshot=await readContourSnapshot(new AbortController().signal);
+ assert.equal(contourSummary(snapshot).label,'Состояние части узлов не подтверждено');
+ const {workerConnectionStatus}=await server.ssrLoadModule('/src/core/system/workerConnectionStatus.ts');
+ const status=workerConnectionStatus(snapshot.workers[0].telemetry);
+ assert.equal(status.state,'unknown');
+ assert.equal(status.label,'Не в сети');
+ assert.equal(workerConnectionStatus({...worker,node:null,connection:{reachable:false,error_code:'telemetry-agent-stale'}}).label,'Не в сети');
+ assert.equal(workerConnectionStatus(worker).state,'online');
+});
+
+test('a responding Core with recording capacity pressure remains reachable',async t=>{
+ installFetch(t,{data:{'/api/health':{...core,ok:false,components:{recording_cache:{status:'capacity-pressure'}}}}});
+ const snapshot=await readContourSnapshot(new AbortController().signal);
+ assert.equal(contourSummary(snapshot).online,2);
+ assert.equal(contourSummary(snapshot).label,'Mission Core работает с ограничениями');
 });