sequenceDiagram
  participant B as Browser
  participant N as Nginx
  participant H as Hugo

  B->>N: HTTPS request to "blog-hugo.loc"
  N->>H: proxy to "127.0.0.1:1313"
  H-->>N: HTML + livereload.js
  N-->>B: HTML response

  B->>N: /livereload.js
  N->>H: proxy to "/livereload.js"
  H-->>B: livereload.js

  B->>H: 🔌 Open WebSocket
  Note left of H: Watches file changes
  H-->>B: Reload signal
  Note right of B: 🔁 Auto reloads page