feat(chat-room) 채팅방 API

- 채팅방 입장 API 연동
- 채팅 쿼터가 없을 때 표시할 UI 추가

SodaLive/Sources/Chat/Talk/Room/Message/ServerChatMessage.swift

@@ -5,7 +5,7 @@
 //  Created by klaus on 9/2/25.
 //
 
-struct ServerChatMessage: Decodable {
+struct ServerChatMessage: Decodable, Comparable {
     let messageId: Int64
     let message: String
     let profileImageUrl: String
@@ -15,4 +15,12 @@ struct ServerChatMessage: Decodable {
     let imageUrl: String?
     let price: Int?
     let hasAccess: Bool
+    
+    static func < (lhs: ServerChatMessage, rhs: ServerChatMessage) -> Bool {
+        if lhs.createdAt == rhs.createdAt {
+            return lhs.messageId < rhs.messageId
+        } else {
+            return lhs.createdAt < rhs.createdAt
+        }
+    }
 }