feat(home): 팔로잉 On Air 섹션을 추가한다

SodaLive/Sources/V2/Main/Home/Following/Components/MainHomeFollowingLiveSection.swift

@@ -0,0 +1,136 @@
+import SwiftUI
+
+struct MainHomeFollowingLiveSection: View {
+    let onAirLives: [FollowingLiveResponse]
+    let onTapLive: (Int) -> Void
+
+    init(
+        onAirLives: [FollowingLiveResponse],
+        onTapLive: @escaping (Int) -> Void = { _ in }
+    ) {
+        self.onAirLives = onAirLives
+        self.onTapLive = onTapLive
+    }
+
+    var body: some View {
+        if !onAirLives.isEmpty {
+            VStack(alignment: .leading, spacing: SodaSpacing.s14) {
+                SectionTitle(title: I18n.HomeFollowing.onAirTitle)
+
+                ScrollView(.horizontal, showsIndicators: false) {
+                    LazyHStack(alignment: .top, spacing: SodaSpacing.s8) {
+                        ForEach(onAirLives) { live in
+                            MainHomeFollowingLiveItemView(live: live) {
+                                onTapLive(live.liveId)
+                            }
+                        }
+                    }
+                    .padding(.leading, SodaSpacing.s14)
+                }
+            }
+        }
+    }
+}
+
+private struct MainHomeFollowingLiveItemView: View {
+    let live: FollowingLiveResponse
+    let action: () -> Void
+
+    var body: some View {
+        Button(action: action) {
+            HStack(alignment: .center, spacing: SodaSpacing.s8) {
+                DownsampledKFImage(url: URL(string: live.creatorProfileImageUrl), size: CGSize(width: 75, height: 75))
+                    .clipShape(Circle())
+
+                VStack(alignment: .leading, spacing: SodaSpacing.s4) {
+                    HStack(alignment: .center, spacing: SodaSpacing.s8) {
+                        LiveTagView()
+
+                        Text(live.relativeStartedAtText())
+                            .appFont(size: 14, weight: .regular)
+                            .foregroundColor(Color.gray500)
+                            .lineLimit(1)
+                            .fixedSize(horizontal: true, vertical: false)
+                    }
+
+                    Text(live.title)
+                        .appFont(size: 18, weight: .bold)
+                        .foregroundColor(.white)
+                        .lineLimit(1)
+                        .truncationMode(.tail)
+
+                    Text(live.creatorNickname)
+                        .appFont(size: 14, weight: .regular)
+                        .foregroundColor(Color.gray500)
+                        .lineLimit(1)
+                        .truncationMode(.tail)
+                }
+                .frame(width: 149, alignment: .leading)
+            }
+            .padding(.leading, SodaSpacing.s12)
+            .padding(.trailing, 22)
+            .padding(.vertical, SodaSpacing.s12)
+            .background(Color.gray900)
+            .clipShape(Capsule())
+            .overlay {
+                Capsule()
+                    .stroke(Color(hex: "62CFFF"), lineWidth: 2)
+            }
+        }
+        .buttonStyle(.plain)
+    }
+}
+
+private struct LiveTagView: View {
+    var body: some View {
+        HStack(alignment: .center, spacing: SodaSpacing.s4) {
+            Circle()
+                .fill(Color.red400)
+                .frame(width: 8, height: 8)
+
+            Text("LIVE")
+                .appFont(size: 12, weight: .regular)
+                .foregroundColor(.white)
+                .lineLimit(1)
+        }
+        .padding(.horizontal, SodaSpacing.s4)
+        .padding(.vertical, 2)
+        .frame(height: 18)
+        .background(Color.black)
+        .clipShape(Capsule())
+    }
+}
+
+private extension FollowingLiveResponse {
+    func relativeStartedAtText(now: Date = Date()) -> String {
+        DateParser.relativeTimeText(fromUTC: startedAtUtc, fallback: startedAtUtc, now: now)
+    }
+}
+
+struct MainHomeFollowingLiveSection_Previews: PreviewProvider {
+    private static let previewImageUrl = "https://placehold.co/500"
+
+    static var previews: some View {
+        MainHomeFollowingLiveSection(
+            onAirLives: [
+                FollowingLiveResponse(
+                    liveId: 1,
+                    creatorProfileImageUrl: previewImageUrl,
+                    creatorNickname: "크리에이터",
+                    title: "오늘 밤 같이 이야기해요",
+                    startedAtUtc: "2026-07-01T00:30:00Z"
+                ),
+                FollowingLiveResponse(
+                    liveId: 2,
+                    creatorProfileImageUrl: previewImageUrl,
+                    creatorNickname: "소다",
+                    title: "신규 콘텐츠 제작 비하인드",
+                    startedAtUtc: "2026-07-01T00:10:00Z"
+                )
+            ]
+        )
+        .padding(.vertical, SodaSpacing.s20)
+        .background(Color.black)
+        .previewLayout(.sizeThatFits)
+    }
+}

SodaLive/Sources/V2/Main/Home/Following/MainHomeFollowingView.swift

@@ -1,15 +1,18 @@
 import SwiftUI
 
 struct MainHomeFollowingView: View {
+    let onTapLive: (Int) -> Void
     let onTapCreator: (Int) -> Void
     let onTapFollowingAll: () -> Void
 
     @StateObject private var viewModel = MainHomeFollowingViewModel()
 
     init(
+        onTapLive: @escaping (Int) -> Void = { _ in },
         onTapCreator: @escaping (Int) -> Void = { _ in },
         onTapFollowingAll: @escaping () -> Void = {}
     ) {
+        self.onTapLive = onTapLive
         self.onTapCreator = onTapCreator
         self.onTapFollowingAll = onTapFollowingAll
     }
@@ -22,6 +25,11 @@ struct MainHomeFollowingView: View {
                 onTapAll: onTapFollowingAll
             )
 
+            MainHomeFollowingLiveSection(
+                onAirLives: viewModel.response?.onAirLives ?? [],
+                onTapLive: onTapLive
+            )
+
             MainPlaceholderTabView(title: "팔로잉")
         }
         .onAppear {