Upgraded to Astro 5.2.5 and fixed content collections

src/content.config.ts

@@ -0,0 +1,17 @@
+import { z, defineCollection } from 'astro:content'
+import { glob } from 'astro/loaders';
+
+const blogCollection = defineCollection({
+  loader: glob({ pattern: '**/[^_]*.{md,mdx}', base: "./src/data/blog" }),
+  schema: z.object({
+    title: z.string(),
+    tags: z.array(z.string()),
+    pubDate: z.date(),
+    description: z.string(),
+    author: z.string(),
+  }),
+})
+
+export const collections = {
+  blog: blogCollection,
+}