feat: Update project version to 9 and enhance debug print functionality

lib/utils/debug_print.dart

@@ -0,0 +1,8 @@
+import 'package:flutter/foundation.dart';
+
+/// Debug print that only outputs in debug builds
+void debugPrint(Object? message) {
+  if (kDebugMode) {
+    print(message);
+  }
+}