Update src/tools/pdf/markdown.ts

Co-authored-by: codeant-ai[bot] <151821869+codeant-ai[bot]@users.noreply.github.com>

Author: wonderwhy-er

src/tools/pdf/markdown.ts

@@ -27,8 +27,10 @@ type PageRange = {
 export async function parsePdfToMarkdown(source: string, pageNumbers: number[] | PageRange = []): Promise<PdfParseResult> {
     try {
         const data = await loadPdfToBuffer(source);
+        const byteData = data instanceof Uint8Array ? data : new Uint8Array(data);
 
         // @ts-ignore: Type definition mismatch for ESM usage
+        return await pdf2md(byteData, pageNumbers);
         return await pdf2md(new Uint8Array(data), pageNumbers);
 
     } catch (error) {