feat(chat): add promotional external entry flow

src/router/navigation-types.ts

@@ -1,6 +1,7 @@
 import type { PayChannel } from "@/data/dto/payment";
 import type {
   PendingChatUnlockKind,
+  PendingChatPromotion,
   PendingChatUnlockStage,
 } from "@/data/storage/navigation";
 
@@ -15,16 +16,24 @@ export interface OpenSubscriptionInput {
 }
 
 export interface StartMessageUnlockInput {
-  messageId: string;
+  displayMessageId: string;
+  messageId?: string;
   kind: PendingChatUnlockKind;
+  lockType?: PendingChatPromotion["lockType"];
+  clientLockId?: string;
+  promotion?: PendingChatPromotion;
   returnUrl: string;
   stage?: PendingChatUnlockStage;
   onAuthenticated: () => void;
 }
 
 export interface OpenSubscriptionForPendingUnlockInput {
-  messageId: string;
+  displayMessageId: string;
+  messageId?: string;
   kind: PendingChatUnlockKind;
+  lockType?: PendingChatPromotion["lockType"];
+  clientLockId?: string;
+  promotion?: PendingChatPromotion;
   returnUrl: string;
   type: AppSubscriptionType;
   payChannel?: PayChannel;