feat(blog): add tagId and categoryId for multilingual routing support

- Add tagId and categoryId fields to blog post frontmatter and interfaces
- Update blog list, category, and tag pages to use IDs for routing
- Implement fallback to regular tags/categories when IDs are not available
- Improve tag and category links with hover effects and proper encoding
- Update post meta component to support multilingual routing

src/layouts/BlogPostLayout.astro

@@ -23,7 +23,9 @@ const {
   publishDate,
   date,
   tags,
+  tagId,
   category,
+  categoryId,
   readTime,
 } = frontmatter;
 
@@ -85,7 +87,9 @@ const finalReadingTime = readTime ? parseInt(readTime.replace(/\D/g, '')) : unde
                   publishDate={finalPublishDate}
                   readingTime={finalReadingTime}
                   tags={tags}
+                  tagId={tagId}
                   category={category}
+                  categoryId={categoryId}
                   className="justify-start"
                 />
               </header>