feat(content): implement consultant review recommendations (executive summary, dynamic cta, homelab cleanup)

src/content/posts/how-i-host-this-blog.md

@@ -37,7 +37,7 @@ git push → Gitea webhook → act_runner picks up the job
   → npm ci → astro build → copy dist/* to docroot → nginx serves it
 ```
 
-The whole thing runs on hardware in my homelab, which is exactly the point —
+The whole thing runs on hardware on the infrastructure I manage, which is exactly the point —
 this is a live demo of the DevOps work I describe elsewhere.
 
 ## The docker-compose setup