feat: migrate Payload CMS to MDX and harden static infrastructure

scripts/fix-media-urls.ts

@@ -0,0 +1,26 @@
+import * as fs from 'fs';
+import * as path from 'path';
+
+function walk(dir: string, callback: (filePath: string) => void) {
+  const files = fs.readdirSync(dir);
+  for (const file of files) {
+    const filePath = path.join(dir, file);
+    if (fs.statSync(filePath).isDirectory()) {
+      walk(filePath, callback);
+    } else if (filePath.endsWith('.mdx') || filePath.endsWith('.md')) {
+      callback(filePath);
+    }
+  }
+}
+
+let replacedCount = 0;
+walk(path.join(process.cwd(), 'content'), (filePath) => {
+  let content = fs.readFileSync(filePath, 'utf8');
+  if (content.includes('/api/media/file/')) {
+    content = content.replace(/\/api\/media\/file\//g, '/media/');
+    fs.writeFileSync(filePath, content, 'utf8');
+    replacedCount++;
+  }
+});
+
+console.log(`Successfully fixed media URLs in ${replacedCount} files.`);