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✨ 샘플 프로젝트 & DocC 튜토리얼 최종 완성
- 샘플 프로젝트 README 대폭 개선 (AIChatbot, ARFurniture, BLEScanner, DeliveryTracker, SiriTodo, SubscriptionApp) - 17개 새 샘플 앱 코드 추가 (Shared 모듈 & 메인 앱) - DocC 튜토리얼 목차 완성 (ActivityKit, AppIntents, ARKit, FoundationModels, StoreKit) - 30+ 새 튜토리얼 파일 추가 (고급 기능 & 리소스 코드) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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‎samples/AIChatbot/AIChatbotApp/AIChatbotApp.swift‎

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// AIChatbotApp.swift
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// AI 채팅봇 앱 진입점
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// iOS 26+ | FoundationModels
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import SwiftUI
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/// AI 채팅봇 앱
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/// FoundationModels 프레임워크를 활용한 온디바이스 AI 채팅
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@main
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struct AIChatbotApp: App {
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/// 대화 저장소 (앱 전역 상태)
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@State private var conversationStore = ConversationStore()
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var body: some Scene {
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WindowGroup {
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ContentView()
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.environment(conversationStore)
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}
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}
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}

‎samples/AIChatbot/AIChatbotApp/ContentView.swift‎

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// ContentView.swift
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// 메인 채팅 UI
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// iOS 26+ | FoundationModels
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import SwiftUI
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import FoundationModels
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/// 메인 채팅 화면
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struct ContentView: View {
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@Environment(ConversationStore.self) private var store
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@State private var showSettings = false
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@State private var showUnavailableAlert = false
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var body: some View {
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NavigationStack {
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VStack(spacing: 0) {
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// 메시지 목록
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messageList
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// 구분선
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Divider()
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// 입력창
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InputBarView()
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}
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.navigationTitle("AI 채팅")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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// 설정 버튼
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ToolbarItem(placement: .topBarTrailing) {
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Button {
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showSettings = true
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} label: {
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Image(systemName: "gear")
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}
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}
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// 대화 초기화 버튼
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ToolbarItem(placement: .topBarLeading) {
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Button {
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store.clearConversation()
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} label: {
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Image(systemName: "trash")
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}
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.disabled(store.messages.isEmpty)
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}
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}
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.sheet(isPresented: $showSettings) {
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SettingsView()
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}
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.alert("모델 사용 불가", isPresented: $showUnavailableAlert) {
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Button("확인", role: .cancel) { }
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} message: {
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Text("이 기기에서는 Apple Intelligence를 사용할 수 없습니다.")
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}
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.task {
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// 앱 시작 시 모델 가용성 확인
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await checkModelAvailability()
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}
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}
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}
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// MARK: - 메시지 목록
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private var messageList: some View {
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ScrollViewReader { proxy in
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ScrollView {
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LazyVStack(spacing: 12) {
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// 환영 메시지 (대화가 비어있을 때)
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if store.messages.isEmpty {
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welcomeMessage
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}
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// 메시지들
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ForEach(store.messages) { message in
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MessageBubbleView(message: message)
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.id(message.id)
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}
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// 스트리밍 중인 응답 표시
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if store.isGenerating && !store.streamingText.isEmpty {
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streamingBubble
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}
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// 로딩 인디케이터
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if store.isGenerating && store.streamingText.isEmpty {
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loadingIndicator
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}
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}
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.padding()
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}
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.onChange(of: store.messages.count) { _, _ in
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// 새 메시지가 추가되면 스크롤
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scrollToBottom(proxy: proxy)
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}
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.onChange(of: store.streamingText) { _, _ in
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// 스트리밍 중 스크롤
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scrollToBottom(proxy: proxy)
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}
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}
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}
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// MARK: - 환영 메시지
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private var welcomeMessage: some View {
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VStack(spacing: 16) {
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Image(systemName: "bubble.left.and.bubble.right.fill")
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.font(.system(size: 60))
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.foregroundStyle(.tint)
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Text("AI 채팅봇")
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.font(.title2)
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.fontWeight(.semibold)
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Text("무엇이든 물어보세요!\nApple Intelligence가 답변해드립니다.")
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.font(.subheadline)
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.foregroundStyle(.secondary)
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.multilineTextAlignment(.center)
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}
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.padding(.vertical, 60)
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}
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// MARK: - 스트리밍 버블
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private var streamingBubble: some View {
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HStack {
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VStack(alignment: .leading, spacing: 4) {
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Text(store.streamingText)
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.textSelection(.enabled)
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}
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.padding(12)
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.background(.fill.tertiary, in: RoundedRectangle(cornerRadius: 16))
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Spacer(minLength: 60)
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}
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}
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// MARK: - 로딩 인디케이터
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private var loadingIndicator: some View {
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HStack {
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HStack(spacing: 4) {
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ForEach(0..<3) { index in
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Circle()
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.fill(.secondary)
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.frame(width: 8, height: 8)
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.scaleEffect(1.0)
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.animation(
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.easeInOut(duration: 0.6)
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.repeatForever()
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.delay(Double(index) * 0.2),
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value: store.isGenerating
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)
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}
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}
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.padding(12)
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.background(.fill.tertiary, in: RoundedRectangle(cornerRadius: 16))
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Spacer()
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}
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}
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// MARK: - 헬퍼
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private func scrollToBottom(proxy: ScrollViewProxy) {
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if let lastMessage = store.messages.last {
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withAnimation(.easeOut(duration: 0.2)) {
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proxy.scrollTo(lastMessage.id, anchor: .bottom)
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}
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}
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}
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private func checkModelAvailability() async {
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let availability = await ChatManager.checkAvailability()
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switch availability {
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case .available:
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break // 사용 가능
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case .unavailable:
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showUnavailableAlert = true
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@unknown default:
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break
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}
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}
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}
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// MARK: - 프리뷰
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#Preview {
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ContentView()
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.environment(ConversationStore.preview)
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}
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#Preview("Empty") {
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ContentView()
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.environment(ConversationStore())
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}

‎samples/AIChatbot/AIChatbotApp/InputBarView.swift‎

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// InputBarView.swift
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// 채팅 입력창
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// iOS 26+ | FoundationModels
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import SwiftUI
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/// 메시지 입력 바
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struct InputBarView: View {
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@Environment(ConversationStore.self) private var store
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@State private var inputText: String = ""
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@FocusState private var isFocused: Bool
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/// 전송 가능 여부
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private var canSend: Bool {
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!inputText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
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&& !store.isGenerating
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}
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var body: some View {
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HStack(alignment: .bottom, spacing: 12) {
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// 텍스트 입력 필드
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textField
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// 전송 버튼
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sendButton
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}
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.padding(.horizontal)
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.padding(.vertical, 8)
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.background(.bar)
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}
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// MARK: - 텍스트 필드
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private var textField: some View {
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TextField("메시지를 입력하세요...", text: $inputText, axis: .vertical)
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.textFieldStyle(.plain)
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.padding(.horizontal, 12)
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.padding(.vertical, 8)
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.background(.fill.tertiary, in: RoundedRectangle(cornerRadius: 20))
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.lineLimit(1...5)
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.focused($isFocused)
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.submitLabel(.send)
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.onSubmit {
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sendMessage()
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}
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}
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// MARK: - 전송 버튼
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private var sendButton: some View {
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Button {
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sendMessage()
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} label: {
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Image(systemName: store.isGenerating ? "stop.fill" : "arrow.up.circle.fill")
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.font(.title)
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.symbolRenderingMode(.hierarchical)
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.foregroundStyle(buttonColor)
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}
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.disabled(!canSend && !store.isGenerating)
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.animation(.easeInOut(duration: 0.2), value: store.isGenerating)
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}
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/// 버튼 색상
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private var buttonColor: Color {
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if store.isGenerating {
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return .red
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} else if canSend {
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return .accentColor
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} else {
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return .secondary
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}
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}
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// MARK: - 액션
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private func sendMessage() {
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// 생성 중이면 취소
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if store.isGenerating {
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store.chatManager.cancel()
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return
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}
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// 빈 메시지 무시
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let trimmed = inputText.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !trimmed.isEmpty else { return }
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// 입력 초기화
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let message = trimmed
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inputText = ""
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// 메시지 전송
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Task {
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await store.send(message)
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}
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}
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}
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// MARK: - 프리뷰
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#Preview {
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VStack {
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Spacer()
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InputBarView()
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}
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.environment(ConversationStore())
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}
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#Preview("With Text") {
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VStack {
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Spacer()
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InputBarView()
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}
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.environment(ConversationStore())
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}

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