Migrate from iOS 17 Observation to iOS 16-compatible Combine architecture.
Lower deployment target to iOS 16, replace @Observable with ObservableObject, add navigation and UI compatibility shims, and include login smoke UI tests. Co-authored-by: Cursor <cursoragent@cursor.com>
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@ -9,9 +9,9 @@ import SwiftUI
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/// 消息中心页面,展示消息列表、筛选、已读和删除入口。
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struct MessageCenterView: View {
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@Environment(MessageCenterAPI.self) private var messageAPI
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@Environment(ToastCenter.self) private var toastCenter
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@State private var viewModel = MessageCenterViewModel()
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@Environment(\.messageCenterAPI) private var messageAPI
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@EnvironmentObject private var toastCenter: ToastCenter
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@StateObject private var viewModel = MessageCenterViewModel()
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@State private var selectedMessage: MessageItem?
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@State private var processingMessageId: String?
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@ -80,7 +80,7 @@ struct MessageCenterView: View {
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ProgressView("加载中...")
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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} else if viewModel.loadFailed {
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ContentUnavailableView {
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AppContentUnavailableView {
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Label("消息加载失败", systemImage: "exclamationmark.triangle")
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} description: {
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Text(viewModel.loadFailureReason ?? "请稍后重试")
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@ -92,7 +92,7 @@ struct MessageCenterView: View {
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}
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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} else if viewModel.messages.isEmpty {
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ContentUnavailableView("暂无消息", systemImage: "bell", description: Text("暂无可查看的系统消息"))
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AppContentUnavailableView("暂无消息", systemImage: "bell", description: Text("暂无可查看的系统消息"))
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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} else {
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ScrollView {
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