fix: pin production runtime in applications

packages/helpers/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/helpers",
-  "version": "0.2.69",
+  "version": "0.2.70",
   "private": true,
   "type": "module",
   "description": "Safe convenience helpers for WrNexus request contexts and common application flows.",