refactor(chat): simplify paid message lock state

src/data/schemas/chat/chat_payloads.ts

@@ -5,21 +5,15 @@ import { z } from "zod";
 
 import {
   booleanOrFalse,
-  booleanOrTrue,
   schemaOr,
   stringOrNull,
-  unknownRecordOrNull,
 } from "../nullable-defaults";
 
 const CHAT_IMAGE_DEFAULTS = { type: null, url: null } as const;
 
 const CHAT_LOCK_DETAIL_DEFAULTS = {
   locked: false,
-  showContent: true,
-  showUpgrade: false,
   reason: null,
-  hint: null,
-  detail: null,
 } as const;
 
 export const ChatImageSchema = schemaOr(
@@ -33,11 +27,7 @@ export const ChatImageSchema = schemaOr(
 export const ChatLockDetailSchema = schemaOr(
   z.object({
     locked: booleanOrFalse,
-    showContent: booleanOrTrue,
-    showUpgrade: booleanOrFalse,
     reason: stringOrNull,
-    hint: stringOrNull,
-    detail: unknownRecordOrNull,
   }),
   CHAT_LOCK_DETAIL_DEFAULTS,
 );