feat: support custom required validation messages

packages/cli/src/update.ts

@@ -280,6 +280,14 @@ const MIGRATIONS: Migration[] = [
       // Explicit no-op: updating @wrnexus/dev-server and helpers is sufficient.
     },
   },
+  {
+    version: "0.2.23",
+    id: "custom-required-validation-message",
+    description: "No project-file changes; custom required messages are provided at runtime",
+    apply() {
+      // Explicit no-op: updating @wrnexus/validation is sufficient.
+    },
+  },
 ];
 
 /** Release tooling uses this to require an explicit migration entry per version. */