feat: bump ui module to v1.0.0-rc1 with getVersion()

src/app.js

@@ -1,5 +1,10 @@
 console.log('UI App initialized');
+console.log('UI Module v1.0.0-rc1 - incrementally synced');
+
 export function render() {
-  document.getElementById('app').innerHTML = 'Hello from UI Module v1.0';
+  document.getElementById('app').innerHTML = 'Hello from UI Module v1.0.0-rc1';
+}
+
+export function getVersion() {
+  return '1.0.0-rc1';
 }
-// valid update

src/styles.css

@@ -1,2 +1,4 @@
-body { font-family: sans-serif; margin: 0; padding: 20px; }
+/* UI Module Styles v1.0.0-rc1 */
+body { font-family: sans-serif; margin: 0; padding: 20px; background: #f9f9f9; }
 #app { color: #333; }
+.header { border-bottom: 2px solid #007bff; padding-bottom: 10px; margin-bottom: 20px; }