feat(auth): implement Facebook identity binding on external entry

src/data/dto/chat/request/send_message_request.ts

@@ -16,7 +16,6 @@ export class SendMessageRequest {
   declare readonly imageOriginalUrl: string;
   declare readonly imageWidth: number;
   declare readonly imageHeight: number;
-  declare readonly useWebSocket: boolean;
 
   private constructor(input: SendMessageRequestInput) {
     const data = SendMessageRequestSchema.parse(input);

src/data/dto/chat/response/chat_send_response.ts

@@ -17,7 +17,7 @@ export class ChatSendResponse {
   declare readonly image: ChatImageData;
   declare readonly lockDetail: ChatLockDetailData;
   declare readonly canSendMessage: boolean;
-  declare readonly cannotSendReason: string | null;
+  // declare readonly cannotSendReason: string | null;
   declare readonly creditBalance: number;
   declare readonly creditsCharged: number;
   declare readonly requiredCredits: number;