Refactor blog components for improved tag filtering and related content display

- Added `getBlogTagFacets` API call to fetch blog tags based on city scope.
- Updated `BlogsPage` to read selected tag from URL and handle tag changes with URL updates.
- Modified `Title` component to display tags from the new API and reflect active tag state.
- Enhanced breadcrumb navigation to link categories to their respective pages.
- Adjusted related content section to display articles from the same category and fixed layout issues.
- Corrected heading hierarchy across various components for better SEO compliance.
- Ensured consistent styling and spacing in related content items.

app/blogs/page.js

@@ -1,3 +1,4 @@
+import { Suspense } from "react";
 import BlogsPage from "@/components/blogs";
 import Layout from "@/components/layout/StLayout";
 import { getStateInfo } from "@/lib/getStateInfo";
@@ -33,7 +34,11 @@ export default async function Blogs() {
   // تشخیص شهر سمت سرور انجام می‌شود (همان الگوی app/specialties/page.js).
   return (
     <Layout name="/blogs">
-      <BlogsPage cityId={isRoot ? null : (matchedCity?.id ?? null)} />
+      {/* BlogsPage تگ انتخابی را از useSearchParams می‌خواند؛ Next 15 برای آن
+          مرز Suspense لازم دارد وگرنه prerender صفحه می‌شکند. */}
+      <Suspense fallback={null}>
+        <BlogsPage cityId={isRoot ? null : (matchedCity?.id ?? null)} />
+      </Suspense>
     </Layout>
   );
 }