added image size

frontend/src/pages/posts/[slug].astro

@@ -8,7 +8,7 @@ import { renderMarkdown } from '../../lib/markdown';
 const { slug } = Astro.params;
 const API_URL = (typeof process !== 'undefined' ? process.env.PUBLIC_API_URL : import.meta.env.PUBLIC_API_URL) || 'http://localhost:3000';
 
-interface CoverImage { url: string; alt: string }
+interface CoverImage { url: string; alt: string; w?: number; h?: number }
 interface PostNeighbor {
   slug: string;
   title?: string;
@@ -26,6 +26,7 @@ interface PostDetail {
   image_count: number;
   prev?: PostNeighbor;
   next?: PostNeighbor;
+  dimensions?: Record<string, { w: number; h: number }>;
 }
 
 function formatDate(d: string) {
@@ -45,7 +46,7 @@ try {
   const postRes = await fetch(`${API_URL}/api/posts/${encodeURIComponent(slug ?? '')}`);
   if (postRes.ok) {
     post = await postRes.json();
-    html = renderMarkdown(post!.content);
+    html = renderMarkdown(post!.content, post!.dimensions);
   } else {
     error = 'Work not found in the catalogue';
   }