fix: harden favorites storage recovery

src/content/market/favorites-store.ts

@@ -245,6 +245,14 @@ function getChromeLocalStorage(): ChromeStorageLocalArea {
 
 function normalizeState(value: unknown, now: () => string): FavoritesStateV1 {
   const source = isRecord(value) ? value : {};
+  if (source.version !== 1) {
+    return {
+      creators: [],
+      folders: [],
+      memberships: [],
+      version: 1
+    };
+  }
   const folders = normalizeFolders(source.folders, now);
   const creators = normalizeCreators(source.creators, now);
   const knownFolderIds = new Set(folders.map((folder) => folder.id));