feat(creator): 라이브 탭 UI를 마무리한다

SodaLive/Sources/V2/CreatorChannel/CreatorChannelView.swift

@@ -95,6 +95,15 @@ struct CreatorChannelView: View {
                     )
                 }
 
+                if isOwnCreatorChannel && viewModel.selectedTab == .live && !viewModel.isLoading {
+                    VStack {
+                        Spacer()
+
+                        CreatorChannelLiveStartButton(action: showCreateLive)
+                    }
+                    .ignoresSafeArea(.container, edges: .bottom)
+                }
+
                 if isShowAuthConfirmView {
                     authConfirmDialog
                 }
@@ -191,7 +200,14 @@ struct CreatorChannelView: View {
 
     @ViewBuilder
     private var selectedTabContent: some View {
-        if viewModel.selectedTab != .home {
+        if viewModel.selectedTab == .live {
+            CreatorChannelLiveTabView(
+                creatorId: creatorId,
+                isOwnCreatorChannel: isOwnCreatorChannel,
+                onTapLive: showLiveDetail,
+                onTapContent: showContentDetail
+            )
+        } else if viewModel.selectedTab != .home {
             CreatorChannelPlaceholderTabView(title: viewModel.selectedTab.title)
         } else if let response = viewModel.response {
             CreatorChannelHomeView(