fix(search): ensure results are deduplicated

src/pages/static/search.html

@@ -117,6 +117,7 @@ description: Search through posts and other content on my site.
       let total = 0;
       let debounceTimeout;
       let isLoading = false;
+      const resultIds = new Set();
 
       const generateResultHTML = ({ title, url, description, type, tags, genre_name, genre_url, total_plays }) => `
         <article class="search__results--result">
@@ -215,13 +216,14 @@ description: Search through posts and other content on my site.
         }
 
         showLoadingMessage();
-
         $loadMoreButton.style.display = "none";
 
         const results = await loadSearchIndex(query, getSelectedSections(), 1);
 
-        currentResults = results;
         currentPage = 1;
+        currentResults = results;
+        resultIds.clear();
+        results.forEach((r) => resultIds.add(r.id));
 
         updateSearchResults(results);
       };
@@ -241,9 +243,15 @@ description: Search through posts and other content on my site.
 
         const nextResults = await loadSearchIndex($input.value.trim(), getSelectedSections(), currentPage);
 
-        currentResults = [...currentResults, ...nextResults];
+        const filteredResults = nextResults.filter((item) => {
+          if (resultIds.has(item.id)) return false;
+          resultIds.add(item.id);
+          return true;
+        });
 
-        updateSearchResults(nextResults);
+        currentResults = [...currentResults, ...filteredResults];
+
+        updateSearchResults(filteredResults);
       });
     })();
   });