feat: 新增导航功能与设置页面支持

- 在MainFeature中新增导航路径和设置页面状态管理，支持页面导航。
- 更新MainView以集成导航功能，添加测试按钮以触发导航。
- 在MeFeature中新增设置按钮点击事件，交由MainFeature处理。
- 增强MeView以支持设置按钮，提升用户体验。

yana/Features/MainFeature.swift

@@ -12,6 +12,15 @@ struct MainFeature: Reducer {
         var feedList: FeedListFeature.State = .init()
         var me: MeFeature.State = .init()
         var accountModel: AccountModel? = nil
+        // 新增：导航路径和设置页面 State
+        var navigationPath: [Destination] = []
+        var settingState: SettingFeature.State? = nil
+    }
+    
+    // 新增：导航目标
+    enum Destination: Hashable, Equatable {
+        case setting
+        case test
     }
     
     @CasePathable
@@ -21,6 +30,11 @@ struct MainFeature: Reducer {
         case feedList(FeedListFeature.Action)
         case me(MeFeature.Action)
         case accountModelLoaded(AccountModel?)
+        // 新增：导航相关
+        case navigationPathChanged([Destination])
+        case settingButtonTapped
+        case settingAction(SettingFeature.Action)
+        case testButtonTapped
     }
     
     var body: some ReducerOf<Self> {
@@ -39,6 +53,7 @@ struct MainFeature: Reducer {
                 }
             case .selectTab(let tab):
                 state.selectedTab = tab
+                state.navigationPath = []
                 if tab == .other, let uidStr = state.accountModel?.uid, let uid = Int(uidStr), uid > 0 {
                     state.me = MeFeature.State(uid: uid)
                     return .send(.me(.onAppear))
@@ -49,9 +64,34 @@ struct MainFeature: Reducer {
             case let .accountModelLoaded(accountModel):
                 state.accountModel = accountModel
                 return .none
+            case .me(.settingButtonTapped):
+                // 触发 push 到设置页
+                state.settingState = SettingFeature.State()
+                state.navigationPath.append(.setting)
+                return .none
             case .me:
                 return .none
+            case .navigationPathChanged(let newPath):
+                // pop 回来时清空 settingState
+                if !newPath.contains(.setting) {
+                    state.settingState = nil
+                }
+                state.navigationPath = newPath
+                return .none
+            case .settingButtonTapped:
+                state.settingState = SettingFeature.State()
+                state.navigationPath.append(.setting)
+                return .none
+            case .settingAction:
+                return .none
+            case .testButtonTapped:
+                state.navigationPath.append(.test)
+                return .none
             }
         }
+        // 设置页作用域
+        .ifLet(\ .settingState, action: /Action.settingAction) {
+            SettingFeature()
+        }
     }
 } 

yana/Features/MeFeature.swift

@@ -25,6 +25,8 @@ struct MeFeature {
         case loadMore
         case userInfoResponse(Result<UserInfo, APIError>)
         case momentsResponse(Result<MyMomentsResponse, APIError>)
+        // 设置按钮点击
+        case settingButtonTapped
     }
     
     func reduce(into state: inout State, action: Action) -> Effect<Action> {
@@ -84,6 +86,9 @@ struct MeFeature {
                 state.momentsError = error.localizedDescription
             }
             return .none
+        case .settingButtonTapped:
+            // 交由 MainFeature 处理
+            return .none
         }
     }
     

yana/Views/MainView.swift

@@ -6,7 +6,7 @@ struct MainView: View {
     
     var body: some View {
         WithViewStore(self.store, observe: { $0 }) { viewStore in
-            NavigationStack {
+            NavigationStack(path: viewStore.binding(get: \.navigationPath, send: MainFeature.Action.navigationPathChanged)) {
                 GeometryReader { geometry in
                     ZStack {
                         // 背景图片
@@ -36,6 +36,21 @@ struct MainView: View {
                             }
                         }
                         .frame(maxWidth: .infinity, maxHeight: .infinity)
+                        // 测试按钮
+                        VStack {
+                            Spacer()
+                            HStack {
+                                Spacer()
+                                Button("Test Push") {
+                                    viewStore.send(.testButtonTapped)
+                                }
+                                .padding()
+                                .background(Color.red)
+                                .foregroundColor(.white)
+                                .cornerRadius(8)
+                                .padding()
+                            }
+                        }
                         // 底部导航栏
                         VStack {
                             Spacer()
@@ -47,10 +62,39 @@ struct MainView: View {
                         .padding(.bottom, geometry.safeAreaInsets.bottom + 60)
                     }
                 }
+                .navigationDestination(for: MainFeature.Destination.self) { destination in
+                    switch destination {
+                    case .setting:
+                        IfLetStore(
+                            self.store.scope(
+                                state: \.settingState,
+                                action: MainFeature.Action.settingAction
+                            ),
+                            then: { settingStore in
+                                WithPerceptionTracking {
+                                    SettingView(store: settingStore)
+                                }
+                            }
+                        )
+                    case .test:
+                        TestPushView()
+                    }
+                }
             }
             .onAppear {
                 viewStore.send(.onAppear)
             }
         }
     }
+}
+
+struct TestPushView: View {
+    var body: some View {
+        ZStack {
+            Color.blue.ignoresSafeArea()
+            Text("Test Push View")
+                .font(.largeTitle)
+                .foregroundColor(.white)
+        }
+    }
 } 

yana/Views/MeView.swift

@@ -5,17 +5,32 @@ struct MeView: View {
     let store: StoreOf<MeFeature>
     
     var body: some View {
-        WithViewStore(self.store, observe: { $0 }) { viewStore in
-            GeometryReader { geometry in
-                ZStack {
-                    Image("bg")
-                        .resizable()
-                        .aspectRatio(contentMode: .fill)
-                        .frame(maxWidth: .infinity, maxHeight: .infinity)
-                        .clipped()
-                        .ignoresSafeArea(.all)
-                    VStack(spacing: 0) {
-                        // 用户信息区域
+        GeometryReader { geometry in
+            ZStack {
+                Image("bg")
+                    .resizable()
+                    .aspectRatio(contentMode: .fill)
+                    .frame(maxWidth: .infinity, maxHeight: .infinity)
+                    .clipped()
+                    .ignoresSafeArea(.all)
+                VStack(spacing: 0) {
+                    // 顶部栏，右上角设置按钮
+                    HStack {
+                        Spacer()
+                        WithViewStore(self.store, observe: { $0 }) { viewStore in
+                            Button(action: {
+                                viewStore.send(.settingButtonTapped)
+                            }) {
+                                Image(systemName: "gearshape")
+                                    .font(.system(size: 22, weight: .medium))
+                                    .foregroundColor(.white)
+                            }
+                            .padding(.trailing, 16)
+                            .padding(.top, 8)
+                        }
+                    }
+                    // 用户信息区域
+                    WithViewStore(self.store, observe: { $0 }) { viewStore in
                         if viewStore.isLoadingUserInfo {
                             ProgressView()
                                 .progressViewStyle(CircularProgressViewStyle(tint: .white))
@@ -49,7 +64,9 @@ struct MeView: View {
                         } else {
                             Spacer().frame(height: 130)
                         }
-                        // 动态内容区域
+                    }
+                    // 动态内容区域
+                    WithViewStore(self.store, observe: { $0 }) { viewStore in
                         if viewStore.isLoadingMoments && viewStore.moments.isEmpty {
                             ProgressView("加载中...")
                                 .frame(maxWidth: .infinity, maxHeight: .infinity)
@@ -94,14 +111,14 @@ struct MeView: View {
                                 viewStore.send(.refresh)
                             }
                         }
-                        Spacer()
                     }
-                    .frame(maxWidth: .infinity, alignment: .top)
+                    Spacer()
                 }
+                .frame(maxWidth: .infinity, alignment: .top)
             }
-            .onAppear {
-                viewStore.send(.onAppear)
-            }
+        }
+        .onAppear {
+            ViewStore(self.store, observe: { $0 }).send(.onAppear)
         }
     }
 }