Complete V1 RC deployment capability gates

web/app/src/storage/StorageClient.ts

@@ -135,6 +135,10 @@ export class StorageClient {
     return this.request({ type: "listSimulationCaches", projectId }) as Promise<StorageSimulationCacheListResult>;
   }
 
+  getPendingRequestCount(): number {
+    return this.pending.size;
+  }
+
   private request(command: StorageRequest["command"], transfer: Transferable[] = []): Promise<NonNullable<StorageResponse["result"]>> {
     const requestId = `storage-${++this.counter}`;
     const request: StorageRequest = { requestId, command };