feat: restore gateway HMR and add WRN formatting

editors/vscode/README.md

@@ -21,6 +21,8 @@ Bun-powered full-stack framework.
   `entity.other.attribute-name.wrn.directive` and `…wire.event`).
 - **Diagnostics.** Parse errors from the real `@wrnexus/compiler` are shown inline
   as you type, anchored to the exact offset.
+- **Formatting.** Format Document and format-on-save normalize WRN block, HTML,
+  CSS, and function indentation without rewriting application expressions.
 - **Snippets.** `page`, `component`, `view`, `state`, `props`, `seo`, `api`,
   `ssr`, `client`, `realtime`, `functions`, `style`, plus view helpers `mount`,
   `for`, `show`, `t`.
@@ -29,9 +31,10 @@ Bun-powered full-stack framework.
 
 ## Settings
 
-| Setting                      | Default | Description                         |
-| ---------------------------- | ------- | ----------------------------------- |
-| `wrnexus.diagnostics.enable` | `true`  | Show parse errors for `.wrn` files. |
+| Setting                      | Default | Description                               |
+| ---------------------------- | ------- | ----------------------------------------- |
+| `wrnexus.diagnostics.enable` | `true`  | Show parse errors for `.wrn` files.       |
+| `wrnexus.format.enable`      | `true`  | Enable the built-in formatter for `.wrn`. |
 
 ## Building the diagnostics engine