fix: Rename duplicate extractFB2Metadata in fb2-parser

Fix infinite recursion bug where exported function called itself.
Renamed to getFB2Metadata to avoid duplicate declaration.

web/src/reader/parsers/fb2-parser.ts

@@ -222,14 +222,19 @@ function generatePageBreaks(totalCharacters: number): number[] {
 // Metadata Quick Extract
 // ============================================================
 
-export async function extractFB2Metadata(
+export async function getFB2Metadata(
   fb2Blob: Blob,
 ): Promise<Partial<EbookCIF["metadata"]>> {
   let xmlContent: string;
 
-  if (fb2Blob.type === "application/zip") {
+  if (
+    fb2Blob.type === "application/zip" ||
+    fb2Blob.type === "application/x-zip-compressed"
+  ) {
     const zip = await JSZip.loadAsync(fb2Blob);
     const files = Object.keys(zip.files);
+
+    // Find the first .fb2 file in the zip
     const fb2File = files.find((f) => f.endsWith(".fb2"));
 
     if (!fb2File) return {};