refactor(chat): simplify paid message lock state

src/core/net/chat-websocket.ts

@@ -24,11 +24,7 @@ export interface SentencePayload {
 
 export interface PaywallStatusPayload {
   locked: boolean;
-  showContent: boolean;
-  showUpgrade: boolean;
   reason: string | null;
-  hint: string | null;
-  detail: Record<string, unknown> | null;
 }
 
 export class ChatWebSocket {
@@ -178,11 +174,7 @@ export class ChatWebSocket {
         const lockDetail = payload.data?.lockDetail;
         this.onPaywallStatus?.({
           locked: lockDetail?.locked ?? false,
-          showContent: lockDetail?.showContent ?? true,
-          showUpgrade: lockDetail?.showUpgrade ?? false,
           reason: lockDetail?.reason ?? null,
-          hint: lockDetail?.hint ?? null,
-          detail: lockDetail?.detail ?? null,
         });
         break;
       }