refactor(ui): org state in prep for new flow

invokeai/frontend/web/src/common/util/zodUtils.ts

@@ -0,0 +1,10 @@
+import type { z } from 'zod';
+
+/**
+ * Helper to create a type guard from a zod schema. The type guard will infer the schema's TS type.
+ * @param schema The zod schema to create a type guard from.
+ * @returns A type guard function for the schema.
+ */
+export const buildZodTypeGuard = <T extends z.ZodTypeAny>(schema: T) => {
+  return (val: unknown): val is z.infer<T> => schema.safeParse(val).success;
+};