feat(chat): render role-bound payment guidance

src/stores/private-zone/private-zone-state.ts

@@ -1,5 +1,6 @@
 import { DEFAULT_CHARACTER_ID } from "@/data/constants/character";
 import type { PrivateAlbum } from "@/data/schemas/private-zone";
+import type { PaymentGuidance } from "@/data/schemas/chat";
 
 export interface PrivateZoneUnlockPaywallRequest {
   albumId: string;
@@ -7,6 +8,7 @@ export interface PrivateZoneUnlockPaywallRequest {
   requiredCredits: number;
   currentCredits: number;
   shortfallCredits: number;
+  paymentGuidance?: PaymentGuidance | null;
 }
 
 export interface PrivateZoneState {