feat: keep dev server alive during HMR updates

.publish/ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ui",
-  "version": "0.2.20",
+  "version": "0.2.21",
   "type": "module",
   "description": "@wrnexus/ui — part of the WrNexus framework.",
   "license": "MIT",
@@ -22,7 +22,7 @@
     "./ui.css": "./ui.css"
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.20"
+    "@wrnexus/core": "^0.2.21"
   },
   "files": [
     "dist",