fix(replay): recover failed archives and release deleted sessions

apps/control-station/src/App.tsx

@@ -199,6 +199,7 @@ export default function App() {
   const livePerceptionLayersRef = useRef<LivePerceptionLayers>(defaultLivePerceptionLayers);
   const livePerceptionRevisionRef = useRef(0);
   const replayActiveRef = useRef(false);
+  const selectedRecordedSessionIdRef = useRef<string | null>(null);
   const sceneSettingsCommitterActiveRef = useRef(true);
   const sceneSettingsCommitterRef = useRef<LatestAsyncCommitter<SceneSettings> | null>(null);
   const polygonDatasetRouteOpenedRef = useRef(false);
@@ -536,6 +537,7 @@ export default function App() {
     // produced a validated launch descriptor. Keep the old scene mounted
     // before this point; now perform one controlled receiver teardown before
     // accepting the already-ready archive.
+    selectedRecordedSessionIdRef.current = null;
     setReplayTransitioning(true);
     setRecordedReplay(null);
     setRecordedReplayLabel(null);
@@ -553,6 +555,7 @@ export default function App() {
     if (sourceSwitchBlockedRef.current) {
       throw new Error(SPATIAL_SOURCE_SWITCH_BLOCKED_REASON);
     }
+    selectedRecordedSessionIdRef.current = session.id;
     setRecordedReplay(launch);
     setRecordedReplayLabel(session.label);
     setSourceUrl(launch.sourceUrl);
@@ -564,11 +567,28 @@ export default function App() {
     if (outcome !== "accepted") setReplayTransitioning(false);
   }, []);
 
+  const releaseRecordedReplayForDelete = useCallback(async (sessionId: string) => {
+    if (selectedRecordedSessionIdRef.current !== sessionId) return;
+    // Deleting the selected archive is a source transition. Unmount Rerun and
+    // recorded media first so no admission request can outlive the evidence.
+    selectedRecordedSessionIdRef.current = null;
+    setReplayTransitioning(true);
+    setRecordedReplay(null);
+    setRecordedReplayLabel(null);
+    setSourceUrl("");
+    setSourceDraft("");
+    await new Promise<void>((resolve) => {
+      window.requestAnimationFrame(() => window.setTimeout(resolve, 0));
+    });
+    if (selectedRecordedSessionIdRef.current === null) setReplayTransitioning(false);
+  }, []);
+
   const activateAutomaticSpatialSource = useCallback(() => {
     // A plugin-owned live/file-replay start must release any host-selected
     // archive or manual URL before the new acquisition becomes non-terminal.
     // This transition is an internal start boundary, not an operator source
     // switch, so it intentionally does not consult the acquisition guard.
+    selectedRecordedSessionIdRef.current = null;
     setReplayTransitioning(false);
     setRecordedReplay(null);
     setRecordedReplayLabel(null);
@@ -786,6 +806,7 @@ export default function App() {
                   onReplayAccepted={acceptRecordedReplay}
                   onReplaySettled={(_session, outcome) =>
                     settleRecordedReplaySwitch(outcome)}
+                  onDeleteBegin={releaseRecordedReplayForDelete}
                 />
               ) : activeDefinition.kind === "datasets" ? (
                 <StatusBadge tone="neutral">Offline evaluation</StatusBadge>
@@ -838,6 +859,7 @@ export default function App() {
                   onReplayAccepted: acceptRecordedReplay,
                   onReplaySettled: (_session, outcome) =>
                     settleRecordedReplaySwitch(outcome),
+                  onDeleteBegin: releaseRecordedReplayForDelete,
                 }}
                 navigation={{
                   openView,
@@ -886,6 +908,7 @@ export default function App() {
               title={sourceSwitchBlockedReason ?? undefined}
               onClick={() => {
                 if (sourceSwitchBlockedRef.current) return;
+                selectedRecordedSessionIdRef.current = null;
                 setSourceDraft("");
                 setSourceUrl("");
                 setRecordedReplay(null);
@@ -901,6 +924,7 @@ export default function App() {
               title={sourceSwitchBlockedReason ?? undefined}
               onClick={() => {
                 if (sourceSwitchBlockedRef.current) return;
+                selectedRecordedSessionIdRef.current = null;
                 setSourceUrl(sourceDraft.trim());
                 setRecordedReplay(null);
                 setRecordedReplayLabel(null);