Adding wokalist type checking on front

Additionally, we are making superLoad.json accept a new "immediateCallback" parameter that resolves during the event handler (and not after)

back/package.json

@@ -55,7 +55,8 @@
     "query-string": "^6.13.3",
     "redis": "^3.1.2",
     "uWebSockets.js": "uNetworking/uWebSockets.js#v18.5.0",
-    "uuidv4": "^6.0.7"
+    "uuidv4": "^6.0.7",
+    "zod": "^3.12.0"
   },
   "devDependencies": {
     "@types/busboy": "^0.2.3",

back/yarn.lock

@@ -2258,3 +2258,8 @@ yn@3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
   integrity sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==
+
+zod@^3.12.0:
+  version "3.14.2"
+  resolved "https://registry.yarnpkg.com/zod/-/zod-3.14.2.tgz#0b4ed79085c471adce0e7f2c0a4fbb5ddc516ba2"
+  integrity sha512-iF+wrtzz7fQfkmn60PG6XFxaWBhYYKzp2i+nv24WbLUWb2JjymdkHlzBwP0erpc78WotwP5g9AAu7Sk8GWVVNw==