feat(ui): add ViewCounter component and enhance accessibility annotations

Introduce a new `ViewCounter` component to manage view tracking for content. Add biome-ignore comments for accessibility standards in several UI components, enhance semantic element usage, and improve tag handling in `SearchSidebar`.

frontend/src/components/view-counter.tsx

@@ -0,0 +1,23 @@
+"use client";
+
+import { useEffect, useRef } from "react";
+import { ContentService } from "@/services/content.service";
+
+interface ViewCounterProps {
+	contentId: string;
+}
+
+export function ViewCounter({ contentId }: ViewCounterProps) {
+	const hasIncremented = useRef(false);
+
+	useEffect(() => {
+		if (!hasIncremented.current) {
+			ContentService.incrementViews(contentId).catch((err) => {
+				console.error("Failed to increment views:", err);
+			});
+			hasIncremented.current = true;
+		}
+	}, [contentId]);
+
+	return null;
+}