Give each route its own title and canonical, and add robots.txt plus a sitemap.

The root layout was stamping the homepage title and production root onto every page. Routes now supply a page segment through one em-dash template, canonicals follow the request path, and non-production hosts disallow crawlers.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/(marketing)/blog/[slug]/page.tsx

@@ -8,6 +8,8 @@ import {
   getRelatedBlogPosts,
 } from "../../../../lib/content";
 import { logger } from "../../../../lib/logger";
+import { routeMetadata } from "../../../../lib/siteMetadata";
+import messages from "../../../../messages/en/index";
 import ContentBanner from "../../../components/sections/ContentBanner";
 import AskOrganizer from "../../../components/sections/AskOrganizer";
 import ContentTemplateDecorativeShapes from "../../_components/ContentTemplateDecorativeShapes";
@@ -62,13 +64,13 @@ export async function generateMetadata({
     const post = getBlogPostBySlug(slug);
 
     if (!post) {
-      return {
-        title: "Post Not Found",
-        description: "The requested blog post could not be found.",
-      };
+      return routeMetadata(`/blog/${slug}`, {
+        title: messages.metadata.blog.notFoundTitle,
+        description: messages.metadata.blog.fallbackDescription,
+      });
     }
 
-    return {
+    return routeMetadata(`/blog/${slug}`, {
       title: post.frontmatter.title,
       description: post.frontmatter.description,
       authors: [{ name: post.frontmatter.author }],
@@ -78,8 +80,8 @@ export async function generateMetadata({
         type: "article",
         publishedTime: post.frontmatter.date,
         authors: [post.frontmatter.author],
-        url: `https://communityrule.com/blog/${slug}`,
-        siteName: "CommunityRule",
+        url: `/blog/${slug}`,
+        siteName: messages.metadata.siteName,
       },
       twitter: {
         card: "summary_large_image",
@@ -87,12 +89,12 @@ export async function generateMetadata({
         description: post.frontmatter.description,
         creator: "@communityrule",
       },
-    };
+    });
   } catch (error) {
     logger.error("Error generating metadata:", error);
     return {
-      title: "Blog Post",
-      description: "A blog post from our community.",
+      title: messages.metadata.blog.fallbackTitle,
+      description: messages.metadata.blog.fallbackDescription,
     };
   }
 }