• Retrieves previously imported manga data from localStorage; returns empty array if none found or parse fails.

    Returns NormalizedMangaItem[]

    Array of previously stored manga items or empty array.

    export function getPreviousMangaData(): NormalizedMangaItem[] {
    console.debug(
    "[MangaImport] Retrieving previous manga data from localStorage",
    );

    const previousKenmeiData = localStorage.getItem("kenmei_data");
    if (!previousKenmeiData) {
    console.debug("[MangaImport] No previous kenmei data found");
    return [];
    }

    try {
    const parsedData = JSON.parse(previousKenmeiData);
    const manga = parsedData.manga || [];
    console.info(
    `[MangaImport] Retrieved ${manga.length} previous manga entries`,
    );
    return manga;
    } catch (e) {
    console.error("[MangaImport] ❌ Failed to parse previous kenmei data:", e);
    return [];
    }
    }