Fix ESLint assertion error

.eslintrc.json

@@ -18,6 +18,7 @@
   "extends": ["next/core-web-vitals", "plugin:@typescript-eslint/recommended"],
   "rules": {
     "@typescript-eslint/consistent-type-imports": "warn",
-    "@typescript-eslint/ban-ts-comment": "warn"
+    "@typescript-eslint/ban-ts-comment": "warn",
+    "@typescript-eslint/no-unnecessary-type-assertion": "warn"
   }
 }

src/env.mjs

@@ -39,6 +39,7 @@ const processEnv = {
 // --------------------------
 
 const merged = server.merge(client);
+
 /** @type z.infer<merged>
  *  @ts-ignore - can't type this properly in jsdoc */
 let env = process.env;