chore: import upstream snapshot with attribution

apps/webapp/app/utils/boolEnv.ts

@@ -0,0 +1,14 @@
+import { z } from "zod";
+
+const baseBoolEnv = z.preprocess((val) => {
+  if (typeof val !== "string") {
+    return val;
+  }
+
+  return ["true", "1"].includes(val.toLowerCase().trim());
+}, z.boolean());
+
+// Create a type-safe version that only accepts boolean defaults
+export const BoolEnv = baseBoolEnv as Omit<typeof baseBoolEnv, "default"> & {
+  default: (value: boolean) => z.ZodDefault<typeof baseBoolEnv>;
+};