wip(k1): checkpoint connection recovery rewrite

Capture the current unreleased K1 connection, recovery, lifecycle, viewer, and test work as a single known-bad baseline for subsequent fixes.

apps/control-station/src/App.tsx

@@ -63,7 +63,7 @@ import {
   workspacesForRoot,
   type RootId,
 } from "./productModel";
-import { backendLabel, phaseLabel, phaseTone } from "./presentation";
+import { backendLabel, localConnectionPhaseLabel, phaseTone } from "./presentation";
 import {
   defaultSceneSettings,
   type PointColorMode,
@@ -595,8 +595,8 @@ export default function App() {
     setRecordedReplayLabel(null);
     setSourceUrl("");
     setSourceDraft("");
-  }, []);
-
+    observationLayout.activateAutomaticDefaults();
+  }, [observationLayout.activateAutomaticDefaults]);
   useEffect(() => {
     if (!["recordings", "lab-archive"].includes(activeDefinition?.kind ?? "")) {
       setReplayTransitioning(false);
@@ -638,6 +638,8 @@ export default function App() {
   const contentActions = useApplicationPanelActions({
     definition: activeDefinition,
     refreshRuntime: runtime.refresh,
+    resetConnectionScenario: runtime.resetConnectionScenario,
+    connectionScenarioResetting: runtime.pendingAction === "mode",
     saveWorkspaceLayout,
     workspaceLayoutSaving: workspaceLayoutProfile.state === "saving",
     systemUtilityActions: computeContourSettings.utilityActions,
@@ -728,10 +730,7 @@ export default function App() {
               {
                 id: "local-contour",
                 label: "Локальный контур",
-                description:
-                  runtime.state?.activeDevice?.endpointLabel ||
-                  selection?.model.displayName ||
-                  "Модель не выбрана",
+                description: selection ? "Подключение" : "Модель не выбрана",
                 icon: <Icon name="network" />,
                 active:
                   runtime.backendStatus !== "offline"
@@ -777,7 +776,7 @@ export default function App() {
             headerTools={
               activeDefinition.kind === "device" ? (
                 <StatusBadge tone={phaseTone(runtime.state?.phase)}>
-                  {phaseLabel(runtime.state?.phase)}
+                  {localConnectionPhaseLabel(runtime.state?.phase)}
                 </StatusBadge>
               ) : activeDefinition.kind === "spatial" ? (
                 <div className="observation-header-tools">