family update

apps/sso-core/prisma/schema.prisma

@@ -384,8 +384,10 @@ model ChatRoomMember {
   id                 String   @id @default(uuid())
   roomId             String
   userId             String
-  notificationsMuted Boolean  @default(false)
-  joinedAt           DateTime @default(now())
+  notificationsMuted Boolean   @default(false)
+  lastReadAt         DateTime?
+  lastReadMessageId  String?
+  joinedAt           DateTime  @default(now())
   room               ChatRoom @relation(fields: [roomId], references: [id], onDelete: Cascade)
   user               User     @relation(fields: [userId], references: [id], onDelete: Cascade)
 
@@ -404,6 +406,7 @@ model ChatMessage {
   mimeType   String?
   createdAt  DateTime   @default(now())
   editedAt   DateTime?
+  deletedAt  DateTime?
   room       ChatRoom   @relation(fields: [roomId], references: [id], onDelete: Cascade)
   sender     User       @relation(fields: [senderId], references: [id], onDelete: Cascade)
   poll       ChatPoll?