refactor: streamline ClientLayout and PreferencesContext for improved state management and debugging

src/components/ui/book-cover.tsx

@@ -3,7 +3,7 @@
 import { CoverClient } from "./cover-client";
 import { ProgressBar } from "./progress-bar";
 import type { BookCoverProps } from "./cover-utils";
-import { getImageUrl } from "./cover-utils";
+import { getImageUrl } from "@/lib/utils/image-url";
 import { useImageUrl } from "@/hooks/useImageUrl";
 import { ClientOfflineBookService } from "@/lib/services/client-offlinebook.service";
 import { MarkAsReadButton } from "./mark-as-read-button";