extension allows filtering for search

desktop/src/api/books/books.controller.ts

@@ -69,16 +69,24 @@ export async function searchBooks(req: SearchRequest, reply: FastifyReply) {
 export async function searchBooksInExtension(req: any, reply: FastifyReply) {
     try {
         const extensionName = req.params.extension;
-        const query = req.query.q;
+
+        const { q, ...rawFilters } = req.query;
 
         const ext = getExtension(extensionName);
         if (!ext) return { results: [] };
 
-        const results = await booksService.searchBooksInExtension(ext, extensionName, query);
+        const results = await booksService.searchBooksInExtension(
+            ext,
+            extensionName,
+            {
+                query: q || '',
+                filters: rawFilters
+            }
+        );
+
         return { results };
     } catch (e) {
-        const error = e as Error;
-        console.error("Search Error:", error.message);
+        console.error("Search Error:", (e as Error).message);
         return { results: [] };
     }
 }