feat(character): 캐릭터 메인 화면 구현 및 Combine 기반 리팩터링

- 배너/최근/신규/큐레이션 섹션 UI 구성 및 데이터 바인딩
- 네트워크 이미지 로더를 Kingfisher(KFImage)로 교체하여 캐싱/재시도 지원
- CharacterApi에 토큰 헤더 포함, GET /api/chat/character/main 연동

SodaLive/Sources/Chat/Character/Banner/AutoSlideCharacterBannerView.swift

@@ -0,0 +1,61 @@
+//
+//  AutoSlideCharacterBannerView.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import SwiftUI
+import Kingfisher
+
+struct AutoSlideCharacterBannerView: View {
+    var items: [CharacterBannerResponse] = []
+    var onTap: (CharacterBannerResponse) -> Void = { _ in }
+    
+    @State private var index: Int = 0
+    @State private var height: CGFloat = 0
+    private let timer = Timer.publish(every: 4, on: .main, in: .common).autoconnect()
+    
+    var body: some View {
+        TabView(selection: $index) {
+            ForEach(0..<items.count, id: \.self) { index in
+                let item = items[index]
+                KFImage(URL(string: item.imageUrl))
+                    .placeholder { Color.gray.opacity(0.2) }
+                    .retry(maxCount: 2, interval: .seconds(1))
+                    .cancelOnDisappear(true)
+                    .resizable()
+                    .scaledToFill()
+                    .frame(height: height)
+                    .clipped()
+                    .cornerRadius(12)
+                    .contentShape(Rectangle())
+                    .tag(index)
+                    .onTapGesture { onTap(item) }
+            }
+        }
+        .tabViewStyle(.page(indexDisplayMode: .automatic))
+        .frame(maxWidth: .infinity)
+        .frame(height: height)
+        .onAppear {
+            self.height = screenSize().width * 0.53
+        }
+        .onDisappear {
+            timer.upstream.connect().cancel()
+        }
+        .onReceive(timer) { _ in
+            guard !items.isEmpty else { return }
+            withAnimation { index = (index + 1) % items.count }
+        }
+    }
+}
+
+#Preview {
+    AutoSlideCharacterBannerView(
+        items: [
+            CharacterBannerResponse(characterId: 1, imageUrl: "https://picsum.photos/1000/300")
+        ]
+    )
+    .padding()
+    .background(Color.black)
+}

SodaLive/Sources/Chat/Character/Banner/CharacterBannerResponse.swift

@@ -0,0 +1,11 @@
+//
+//  CharacterBannerResponse.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+struct CharacterBannerResponse: Decodable {
+    let characterId: Int
+    let imageUrl: String
+}

SodaLive/Sources/Chat/Character/Character.swift

@@ -0,0 +1,13 @@
+//
+//  Character.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+struct Character: Decodable {
+    let characterId: Int
+    let name: String
+    let description: String?
+    let imageUrl: String
+}

SodaLive/Sources/Chat/Character/CharacterApi.swift

@@ -0,0 +1,32 @@
+//
+//  CharacterApi.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import Foundation
+import Moya
+
+enum CharacterApi {
+    case getCharacterHome
+}
+
+extension CharacterApi: TargetType {
+    var baseURL: URL { URL(string: BASE_URL)! }
+    
+    var path: String {
+        switch self {
+        case .getCharacterHome:
+            return "/api/chat/character/main"
+        }
+    }
+    
+    var method: Moya.Method { .get }
+    
+    var task: Moya.Task { .requestPlain }
+    
+    var headers: [String : String]? {
+        ["Authorization": "Bearer \(UserDefaults.string(forKey: UserDefaultsKey.token))"]
+    }
+}

SodaLive/Sources/Chat/Character/CharacterHomeResponse.swift

@@ -0,0 +1,14 @@
+//
+//  CharacterHomeResponse.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+struct CharacterHomeResponse: Decodable {
+    let banners: [CharacterBannerResponse]
+    let recentCharacters: [RecentCharacter]
+    let popularCharacters: [Character]
+    let newCharacters: [Character]
+    let curationSections: [CurationSection]
+}

SodaLive/Sources/Chat/Character/CharacterItemView.swift

@@ -0,0 +1,50 @@
+//
+//  CharacterItemView.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import SwiftUI
+import Kingfisher
+
+struct CharacterItemView: View {
+    
+    let character: Character
+    let size: CGFloat
+    
+    var body: some View {
+        VStack(alignment: .leading, spacing: 4) {
+            KFImage(URL(string: character.imageUrl))
+                .placeholder { Color.gray.opacity(0.2) }
+                .retry(maxCount: 2, interval: .seconds(1))
+                .cancelOnDisappear(true)
+                .resizable()
+                .scaledToFill()
+                .frame(width: size, height: size)
+                .clipped()
+                .cornerRadius(12)
+            
+            Text(character.name)
+                .font(.custom(Font.preRegular.rawValue, size: 18))
+                .foregroundColor(.white)
+                .lineLimit(1)
+                .truncationMode(.tail)
+            
+            if let desc = character.description, !desc.isEmpty {
+                Text(desc)
+                    .font(.custom(Font.preRegular.rawValue, size: 14))
+                    .foregroundColor(Color(hex: "78909C"))
+                    .lineLimit(1)
+            }
+        }
+        .frame(width: size, alignment: .leading)
+    }
+}
+
+#Preview {
+    CharacterItemView(
+        character: Character(characterId: 1, name: "찰리", description: "새로운 친구", imageUrl: "https://picsum.photos/300"),
+        size: 168
+    )
+}

SodaLive/Sources/Chat/Character/CharacterRepository.swift

@@ -0,0 +1,19 @@
+//
+//  CharacterRepository.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import Foundation
+import CombineMoya
+import Combine
+import Moya
+
+class CharacterRepository {
+    private let api = MoyaProvider<CharacterApi>()
+    
+    func getCharacterMain() -> AnyPublisher<Response, MoyaError> {
+        return api.requestPublisher(.getCharacterHome)
+    }
+}

SodaLive/Sources/Chat/Character/CharacterSectionView.swift

@@ -0,0 +1,49 @@
+//
+//  CharacterSectionView.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import SwiftUI
+
+struct CharacterSectionView: View {
+    let title: String
+    let items: [Character]
+    var onTap: (Character) -> Void = { _ in }
+    
+    var body: some View {
+        VStack(alignment: .leading, spacing: 12) {
+            Text(title)
+                .font(.custom(Font.preBold.rawValue, size: 20))
+                .foregroundColor(.white)
+                .padding(.horizontal, 24)
+            
+            ScrollView(.horizontal, showsIndicators: false) {
+                HStack(spacing: 16) {
+                    ForEach(items.indices, id: \.self) { idx in
+                        let item = items[idx]
+                        CharacterItemView(
+                            character: item,
+                            size: screenSize().width * 0.42
+                        )
+                        .onTapGesture { onTap(item) }
+                    }
+                }
+                .padding(.horizontal, 24)
+            }
+        }
+    }
+}
+
+#Preview {
+    CharacterSectionView(
+        title: "신규 캐릭터",
+        items: [
+            Character(characterId: 1, name: "찰리", description: "새로운 친구", imageUrl: "https://picsum.photos/300"),
+            Character(characterId: 2, name: "데이지", description: "", imageUrl: "https://picsum.photos/300")
+        ]
+    )
+    .padding()
+    .background(Color.black)
+}

SodaLive/Sources/Chat/Character/CharacterView.swift

@@ -8,16 +8,84 @@
 import SwiftUI
 
 struct CharacterView: View {
+    @StateObject var viewModel = CharacterViewModel()
+    
+    private let horizontalPadding: CGFloat = 16
+    
     var body: some View {
-    VStack(spacing: 12) {
+        BaseView(isLoading: $viewModel.isLoading) {
+            ScrollView(.vertical, showsIndicators: false) {
+                VStack(alignment: .leading, spacing: 24) {
+                    // 배너
+                    if !viewModel.banners.isEmpty {
+                        AutoSlideCharacterBannerView(items: viewModel.banners) { banner in
+                            DEBUG_LOG("Banner tapped: \(banner.characterId)")
+                        }
+                    }
+                    
+                    // 최근 대화한 캐릭터 섹션
+                    if !viewModel.recentCharacters.isEmpty {
+                        RecentCharacterSectionView(
+                            titleCount: viewModel.recentCharacters.count,
+                            items: viewModel.recentCharacters
+                        ) { ch in
+                            DEBUG_LOG("Recent tapped: \(ch.characterId)")
+                        }
+                    }
+                    
+                    // 신규 캐릭터 섹션
+                    if !viewModel.newCharacters.isEmpty {
+                        CharacterSectionView(
+                            title: "신규 캐릭터",
+                            items: viewModel.newCharacters
+                        ) { ch in
+                            DEBUG_LOG("New tapped: \(ch.characterId)")
+                        }
+                    }
+                    
+                    // 큐레이션 섹션 (여러 섹션)
+                    if !viewModel.curations.isEmpty {
+                        VStack(alignment: .leading, spacing: 24) {
+                            ForEach(viewModel.curations.indices, id: \.self) { idx in
+                                let section = viewModel.curations[idx]
+                                CharacterSectionView(
+                                    title: section.title,
+                                    items: section.characters
+                                ) { ch in
+                                    DEBUG_LOG("Curation tapped: \\(ch.characterId)")
+                                }
+                            }
+                        }
+                    }
+                }
+                .padding(.vertical, 24)
+            }
+            .background(Color.black.ignoresSafeArea())
+            .onAppear {
+                if !viewModel.isLoading {
+                    viewModel.getCharacterMain()
+                }
+            }
+        }
+        .popup(isPresented: $viewModel.isShowPopup, type: .toast, position: .top, autohideIn: 2) {
+            GeometryReader { geo in
+                HStack {
                     Spacer()
-      Text("캐릭터 페이지 (준비중)")
-        .font(.custom(Font.preMedium.rawValue, size: 16))
+                    Text(viewModel.errorMessage)
+                        .padding(.vertical, 13.3)
+                        .frame(width: geo.size.width - 66.7, alignment: .center)
+                        .font(.custom(Font.medium.rawValue, size: 12))
+                        .background(Color.button)
+                        .foregroundColor(Color.white)
                         .multilineTextAlignment(.center)
+                        .cornerRadius(20)
+                        .padding(.top, 66.7)
                     Spacer()
                 }
             }
         }
+    }
+}
 
 #Preview {
     CharacterView()

SodaLive/Sources/Chat/Character/CharacterViewModel.swift

@@ -0,0 +1,69 @@
+//
+//  CharacterViewModel.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import Foundation
+import Combine
+import Moya
+
+final class CharacterViewModel: ObservableObject {
+    // MARK: - Published State
+    @Published private(set) var banners: [CharacterBannerResponse] = []
+    @Published private(set) var recentCharacters: [RecentCharacter] = []
+    @Published private(set) var newCharacters: [Character] = []
+    @Published private(set) var curations: [CurationSection] = []
+    
+    @Published var isLoading: Bool = false
+    @Published var errorMessage: String = ""
+    @Published var isShowPopup = false
+    
+    // MARK: - Private
+    private let repository = CharacterRepository()
+    private var subscription = Set<AnyCancellable>()
+    
+    // MARK: - API
+    func getCharacterMain() {
+        self.isLoading = true
+        
+        repository.getCharacterMain()
+            .sink { result in
+                switch result {
+                case .finished:
+                    DEBUG_LOG("finish")
+                case .failure(let error):
+                    ERROR_LOG(error.localizedDescription)
+                }
+            } receiveValue: { response in
+                let responseData = response.data
+                self.isLoading = false
+                
+                do {
+                    let jsonDecoder = JSONDecoder()
+                    let decoded = try jsonDecoder.decode(ApiResponse<CharacterHomeResponse>.self, from: responseData)
+                    
+                    if let data = decoded.data, decoded.success {
+                        self.banners = data.banners
+                        self.recentCharacters = data.recentCharacters
+                        self.newCharacters = data.newCharacters
+                        self.curations = data.curationSections.filter { !$0.characters.isEmpty }
+                    } else {
+                        if let message = decoded.message {
+                            self.errorMessage = message
+                        } else {
+                            self.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
+                        }
+                        
+                        self.isShowPopup = true
+                    }
+                } catch {
+                    self.errorMessage = "다시 시도해 주세요.\n계속 같은 문제가 발생할 경우 고객센터로 문의 주시기 바랍니다."
+                    self.isShowPopup = true
+                }
+            }
+            .store(in: &subscription)
+    }
+}
+

SodaLive/Sources/Chat/Character/Curation/CurationSection.swift

@@ -0,0 +1,12 @@
+//
+//  CurationSection.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+struct CurationSection: Decodable {
+    let characterCurationId: Int
+    let title: String
+    let characters: [Character]
+}

SodaLive/Sources/Chat/Character/Detail/CharacterDetailView.swift

@@ -0,0 +1,18 @@
+//
+//  CharacterDetailView.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import SwiftUI
+
+struct CharacterDetailView: View {
+    var body: some View {
+        Text(/*@START_MENU_TOKEN@*/"Hello, World!"/*@END_MENU_TOKEN@*/)
+    }
+}
+
+#Preview {
+    CharacterDetailView()
+}

SodaLive/Sources/Chat/Character/Recent/RecentCharacter.swift

@@ -0,0 +1,12 @@
+//
+//  RecentCharacter.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+struct RecentCharacter: Decodable {
+    let characterId: Int
+    let name: String
+    let imageUrl: String
+}

SodaLive/Sources/Chat/Character/Recent/RecentCharacterItemView.swift

@@ -0,0 +1,40 @@
+//
+//  RecentCharacterItemView.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import SwiftUI
+import Kingfisher
+
+struct RecentCharacterItemView: View {
+    let character: RecentCharacter
+    
+    var body: some View {
+        VStack(spacing: 6) {
+            KFImage(URL(string: character.imageUrl))
+                .placeholder { Circle().fill(Color.gray.opacity(0.2)) }
+                .retry(maxCount: 2, interval: .seconds(1))
+                .cancelOnDisappear(true)
+                .resizable()
+                .scaledToFill()
+                .frame(width: 76, height: 76)
+                .clipShape(Circle())
+            
+            Text(character.name)
+                .font(.custom(Font.preRegular.rawValue, size: 18))
+                .foregroundColor(.white)
+                .lineLimit(1)
+                .frame(maxWidth: 76)
+                .multilineTextAlignment(.center)
+        }
+    }
+}
+
+#Preview {
+    RecentCharacterItemView(
+        character: RecentCharacter(characterId: 1, name: "앨리스", imageUrl: "https://picsum.photos/200")
+    )
+    .background(Color.black)
+}

SodaLive/Sources/Chat/Character/Recent/RecentCharacterSectionView.swift

@@ -0,0 +1,51 @@
+//
+//  RecentCharacterSectionView.swift
+//  SodaLive
+//
+//  Created by klaus on 8/29/25.
+//
+
+import SwiftUI
+
+struct RecentCharacterSectionView: View {
+    let titleCount: Int
+    let items: [RecentCharacter]
+    var onTap: (RecentCharacter) -> Void = { _ in }
+    
+    var body: some View {
+        VStack(alignment: .leading, spacing: 12) {
+            HStack(spacing: 0) {
+                Text("최근 대화한 캐릭터 ")
+                    .font(.custom(Font.preBold.rawValue, size: 20))
+                    .foregroundColor(.white)
+                Text("\(titleCount)")
+                    .font(.custom(Font.preBold.rawValue, size: 20))
+                    .foregroundColor(Color(hex: "FDCA2F"))
+                Spacer()
+            }
+            
+            ScrollView(.horizontal, showsIndicators: false) {
+                HStack(spacing: 16) {
+                    ForEach(items.indices, id: \.self) { idx in
+                        let item = items[idx]
+                        RecentCharacterItemView(character: item)
+                            .onTapGesture { onTap(item) }
+                    }
+                }
+            }
+        }
+    }
+}
+
+#Preview {
+    RecentCharacterSectionView(
+        titleCount: 3,
+        items: [
+            RecentCharacter(characterId: 1, name: "라라", imageUrl: "https://picsum.photos/200"),
+            RecentCharacter(characterId: 2, name: "마리", imageUrl: "https://picsum.photos/200"),
+            RecentCharacter(characterId: 3, name: "Nana", imageUrl: "https://picsum.photos/200")
+        ]
+    )
+    .padding()
+    .background(Color.black)
+}