revert changes to tailwind serve

packages/cli/src/serve/runner.rs

@@ -166,18 +166,11 @@ impl AppServer {
         let client = AppBuilder::new(&client)?;
         let server = server.map(|server| AppBuilder::new(&server)).transpose()?;
 
-        // Only start Tailwind watcher for client builds that serve assets (not server builds or fullstack mode)
-        // In fullstack mode, the client build's prebuild() handles Tailwind generation to avoid race conditions
-        let tw_watcher = if client.build.bundle != BundleFormat::Server && !fullstack {
-            TailwindCli::serve(
-                client.build.package_manifest_dir(),
-                client.build.config.application.tailwind_input.clone(),
-                client.build.config.application.tailwind_output.clone(),
-            )
-        } else {
-            // Return a dummy task that immediately completes for server builds or fullstack mode
-            tokio::spawn(async { Ok(()) })
-        };
+        let tw_watcher = TailwindCli::serve(
+            client.build.package_manifest_dir(),
+            client.build.config.application.tailwind_input.clone(),
+            client.build.config.application.tailwind_output.clone(),
+        );
 
         _ = client.build.start_simulators().await;