fix: Rename duplicate extractHTMLMetadata in html-parser

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

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

@@ -150,7 +150,7 @@ function stripHTML(html: string): string {
 // Metadata Quick Extract
 // ============================================================
 
-export async function extractHTMLMetadata(
+export async function getHTMLMetadata(
   htmlBlob: Blob,
 ): Promise<Partial<EbookCIF["metadata"]>> {
   const htmlContent = await htmlBlob.text();