fix(mobile): recover pending questions after cold start

packages/ui/src/sync/use-sync.ts

@@ -11,6 +11,7 @@ import {
   useSessionMessageLoader,
   useSyncDirectory,
   useSyncSDK,
+  resyncBlockingRequestsForDirectory,
 } from "./sync-context"
 import { dropSessionCaches, getProtectedSessionCacheIds } from "./session-cache"
 import { stripSessionDiffSnapshots } from "./sanitize"
@@ -123,6 +124,23 @@ export function useSync() {
   const messageLoader = useSessionMessageLoader()
   const runtimeKey = getRuntimeKey()
 
+  const recoverPendingQuestions = useCallback(
+    async (sessionID: string, directoryOverride?: string): Promise<boolean> => {
+      const targetDirectory = directoryOverride || directory
+      if (!sessionID || !targetDirectory || getRuntimeKey() !== runtimeKey) return false
+      const targetStore = childStores.ensureChild(targetDirectory, {
+        priority: "selected",
+        reason: "selected-session",
+      })
+      await resyncBlockingRequestsForDirectory(targetDirectory, targetStore, [sessionID], {
+        includePermissions: false,
+      })
+      if (getRuntimeKey() !== runtimeKey) return false
+      return (targetStore.getState().question[sessionID]?.length ?? 0) > 0
+    },
+    [childStores, directory, runtimeKey],
+  )
+
   const keyFor = useCallback(
     (sessionID: string, directoryOverride = directory) => `${runtimeKey}\n${directoryOverride}\n${sessionID}`,
     [directory, runtimeKey],
@@ -408,12 +426,13 @@ export function useSync() {
       hasMore,
       isLoading,
       isComplete,
+      recoverPendingQuestions,
       optimistic: {
         add: optimisticAdd,
         remove: optimisticRemove,
         confirm: optimisticConfirm,
       },
     }),
-    [syncSession, prefetchSession, loadMore, loadCompleteHistory, hasMore, isLoading, isComplete, optimisticAdd, optimisticRemove, optimisticConfirm],
+    [syncSession, prefetchSession, loadMore, loadCompleteHistory, hasMore, isLoading, isComplete, recoverPendingQuestions, optimisticAdd, optimisticRemove, optimisticConfirm],
   )
 }