Make proper, cohesive TargetType/SimplifiedTargetType types

why didn't I do this before? maybe i'll find out soon

src/schema.ts

@@ -1,15 +1,17 @@
 import { z } from "zod";
 
-export const ObjectTypeEnum = z.enum([
+export const TargetTypeEnum = z.enum([
-  "ip",
   "autnum",
+  "domain",
+  "ip4",
+  "ip6",
   "entity",
   "url",
   "tld",
   "registrar",
   "json",
-  "domain",
 ]);
+
 export const RootRegistryEnum = z.enum([
   "autnum",
   "domain",
@@ -17,6 +19,7 @@ export const RootRegistryEnum = z.enum([
   "ip6",
   "entity",
 ]);
+
 export const StatusEnum = z.enum([
   "validated",
   "renew prohibited",
@@ -63,7 +66,7 @@ export const LinkSchema = z.object({
 
 export const EntitySchema = z.object({
   objectClassName: z.literal("entity"),
-  handle: z.string(),
+  handle: z.string().optional(),
   roles: z.array(z.string()),
   publicIds: z
     .array(

src/types.ts

@@ -7,15 +7,20 @@ import type {
   IpNetworkSchema,
   LinkSchema,
   NameserverSchema,
-  ObjectTypeEnum,
+  TargetTypeEnum,
   RegisterSchema,
   StatusEnum,
   RootRegistryEnum,
 } from "@/schema";
 
-export type ObjectType = z.infer<typeof ObjectTypeEnum>;
+// All precise target types that can be placed in the search bar.
+export type TargetType = z.infer<typeof TargetTypeEnum>;
+
+// Target types that can be selected by the user; IPv4 and IPv6 are combined into a single type for simplicity (IP/CIDR)
+export type SimplifiedTargetType = Exclude<TargetType, "ip4" | "ip6"> | "ip";
+
+// Root registry types that associate with a bootstrap file provided by the RDAP registry.
 export type RootRegistryType = z.infer<typeof RootRegistryEnum>;
-export type TargetType = Exclude<ObjectType, "ip"> | "ip4" | "ip6";
 
 export type RdapStatusType = z.infer<typeof StatusEnum>;
 export type Link = z.infer<typeof LinkSchema>;