fix: resolve translation routing bugs for MDX pages/posts, fix QA smoke tests, and automate target host network cleanup

lib/blog.ts

@@ -56,9 +56,12 @@ export function isPostVisible(post: { frontmatter: { date: string; public?: bool
   return !(postDate > now && config.isProduction);
 }
 
+import { mapSlugToFileSlug, mapFileSlugToTranslated } from './slugs';
+
 export async function getPostBySlug(slug: string, locale: string): Promise<PostData | null> {
   try {
-    const filePath = path.join(process.cwd(), 'content', 'posts', `${slug}.mdx`);
+    const fileSlug = await mapSlugToFileSlug(slug, locale);
+    const filePath = path.join(process.cwd(), 'content', 'posts', `${fileSlug}.mdx`);
     const fileContent = await fs.readFile(filePath, 'utf-8');
     const { data, content } = matter(fileContent);
 
@@ -77,8 +80,10 @@ export async function getPostBySlug(slug: string, locale: string): Promise<PostD
       // Not JSON
     }
 
+    const resolvedSlug = await mapFileSlugToTranslated(fileSlug, locale);
+
     return {
-      slug,
+      slug: resolvedSlug,
       frontmatter: {
         title: data.title || '',
         date: data.date || '',
@@ -98,8 +103,10 @@ export async function getPostBySlug(slug: string, locale: string): Promise<PostD
 }
 
 export async function getPostSlugs(slug: string, locale: string): Promise<Record<string, string>> {
-  // Mock function, simply returns the slug for all locales
-  return { de: slug, en: slug };
+  const fileSlug = await mapSlugToFileSlug(slug, locale);
+  const de = await mapFileSlugToTranslated(fileSlug, 'de');
+  const en = await mapFileSlugToTranslated(fileSlug, 'en');
+  return { de, en };
 }
 
 export async function getAllPosts(locale: string): Promise<PostData[]> {