fix syntax

examples/steam_example.ce

@@ -79,7 +79,7 @@ function unlock_achievement(achievement_name) {
 function update_stat(stat_name, value, is_float) {
   if (!steam_available || !stats_loaded) return false;
   
-  var success;
+  var success = null;
   if (is_float) {
     success = steam.stats.stats_set_float(stat_name, value);
   } else {
@@ -145,7 +145,7 @@ function end_game(score) {
 function save_to_cloud(save_data) {
   if (!steam_available) return false;
   
-  var json_data = JSON.stringify(save_data);
+  var json_data = json.encode(save_data);
   return steam.cloud.cloud_write("savegame.json", json_data);
 }
 
@@ -153,9 +153,10 @@ function load_from_cloud() {
   if (!steam_available) return null;
   
   var data = steam.cloud.cloud_read("savegame.json");
+  var json_str = null;
   if (data) {
-    var json_str = text(data)
-    return JSON.parse(json_str);
+    json_str = text(data)
+    return json.decode(json_str);
   }
   
   return null;
@@ -169,17 +170,5 @@ function cleanup_steam() {
   }
 }
 
-// Export the API
-module.exports = {
-  init: init_steam,
-  update: update_steam,
-  cleanup: cleanup_steam,
-  unlock_achievement: unlock_achievement,
-  update_stat: update_stat,
-  get_stat: get_stat,
-  start_game: start_game,
-  end_game: end_game,
-  save_to_cloud: save_to_cloud,
-  load_from_cloud: load_from_cloud,
-  is_available: function() { return steam_available; }
-};
+// Initialize on start
+init_steam();