agent: Set unique titles and meta descriptions per page

src/content/config.ts

@@ -5,6 +5,13 @@ const blog = defineCollection({
   schema: z.object({
     title: z.string(),
     description: z.string(),
+    // Optional SEO overrides. When set they drive the <title> tag and
+    // <meta name="description"> without changing the on-page article
+    // heading/excerpt, letting us keep descriptive H1s while tuning the
+    // search snippet to the 50–60 / 150–160 character sweet spots.
+    // `seoTitle` is the text BEFORE the " | WorkRoot" brand suffix.
+    seoTitle: z.string().optional(),
+    seoDescription: z.string().optional(),
     pubDate: z.coerce.date(),
     updatedDate: z.coerce.date().optional(),
     heroImage: z.string().optional(),