fix(control-station): separate lab contours from recordings

apps/control-station/src/App.tsx

@@ -26,6 +26,7 @@ import {
 } from "@nodedc/ui-react";
 
 import { LandingStage } from "./components/LandingStage";
+import { ObservationSessionSelect } from "./components/ObservationSessionSelect";
 import { useDevicePluginHost } from "./core/device-plugins/DevicePluginHost";
 import { useMissionRuntime } from "./core/runtime/MissionRuntimeContext";
 import type { ViewerSettings } from "./core/runtime/contracts";
@@ -752,7 +753,14 @@ export default function App() {
                   ) : null}
                 </div>
               ) : activeDefinition.kind === "recordings" ? (
-                <StatusBadge tone="accent">Архив записей</StatusBadge>
+                <ObservationSessionSelect
+                  disabled={runtime.pendingAction !== null || sourceSwitchBlocked}
+                  blockedReason={sourceSwitchBlockedReason}
+                  onReplayBegin={beginRecordedReplaySwitch}
+                  onReplayAccepted={acceptRecordedReplay}
+                  onReplaySettled={(_session, outcome) =>
+                    settleRecordedReplaySwitch(outcome)}
+                />
               ) : activeDefinition.kind === "datasets" ? (
                 <StatusBadge tone="neutral">Offline evaluation</StatusBadge>
               ) : activeDefinition.kind === "lab-archive" ? (