complete UI CSS ownership remediation

packages/dev-server/src/index.ts

@@ -309,7 +309,12 @@ export async function startServer(opts: ServeOptions): Promise<RunningServer> {
   console.log(`[wrnexus:plugin] contributed routes: ${pluginContributions.routes.length}`);
 
   const pluginToolbarPanels = await pluginRunner.devToolbarPanels();
-  const componentDirs = [uiComponentsDir(), ...pluginContributions.componentDirs];
+  const bundledUiDir = uiComponentsDir();
+  const componentDirs = [
+    bundledUiDir,
+    join(bundledUiDir, "..", "styles"),
+    ...pluginContributions.componentDirs,
+  ];
 
   const hmr = opts.hmr ?? mode === "development";
   const port = opts.port ?? 3000;