fix(packages): ship web and theme assets

packages/client/ui-theme/tsdown.config.ts

@@ -1,3 +1,11 @@
 import { clientBundle } from '../tsdown.client.ts'
 
-export default clientBundle('@deepseek-ai/dsh-client-ui-theme', ['lib/types/index.js', 'lib/types/invariant.js'])
+const [lib, client] = clientBundle(
+  '@deepseek-ai/dsh-client-ui-theme',
+  ['lib/types/index.js', 'lib/types/invariant.js'],
+)
+
+export default [{
+  ...lib,
+  copy: [{ from: 'src/styles/*', to: 'lib/styles' }],
+}, client]