android/app/src/androidTest/kotlin/com/flagship/abox/manager/ui/shell/MainAppShellTest.kt

@@ -0,0 +1,92 @@
+package com.flagship.abox.manager.ui.shell
+
+import androidx.activity.ComponentActivity
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.material3.Text
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.onAllNodesWithText
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.flagship.abox.manager.designsystem.ABoxTheme
+import org.junit.Assert.assertEquals
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class MainAppShellTest {
+    @get:Rule
+    val composeRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun compactUsesBottomNavigationAndDelegatesTabClick() {
+        var selectedTab: MainTab? = null
+        composeRule.setContent {
+            ABoxTheme {
+                MainAppShell(
+                    currentTab = MainTab.DEVICES,
+                    windowSizeClass = ABoxWindowSizeClass.COMPACT,
+                    userName = "user",
+                    providerName = "ABox",
+                    onTabClick = { selectedTab = it },
+                    onProviderClick = {},
+                    onAvatarClick = {},
+                    content = { _: PaddingValues -> Text("content") },
+                )
+            }
+        }
+
+        composeRule.onAllNodesWithText("Devices")[0].assertIsDisplayed()
+        composeRule.onAllNodesWithText("Scenes")[0].performClick()
+
+        assertEquals(MainTab.SCENES, selectedTab)
+    }
+
+    @Test
+    fun mediumAndExpandedExposeRailNavigation() {
+        composeRule.setContent {
+            ABoxTheme {
+                MainAppShell(
+                    currentTab = MainTab.DEVICES,
+                    windowSizeClass = ABoxWindowSizeClass.MEDIUM,
+                    userName = "user",
+                    providerName = "ABox",
+                    onTabClick = {},
+                    onProviderClick = {},
+                    onAvatarClick = {},
+                    content = { _: PaddingValues -> Text("content") },
+                )
+            }
+        }
+
+        composeRule.onNodeWithText("Scenes").assertIsDisplayed()
+    }
+
+    @Test
+    fun topAreaDelegatesProviderAndAvatarClicks() {
+        var providerClicks = 0
+        var avatarClicks = 0
+        composeRule.setContent {
+            ABoxTheme {
+                MainAppShell(
+                    currentTab = MainTab.DEVICES,
+                    windowSizeClass = ABoxWindowSizeClass.COMPACT,
+                    userName = "user",
+                    providerName = "ABox",
+                    onTabClick = {},
+                    onProviderClick = { providerClicks++ },
+                    onAvatarClick = { avatarClicks++ },
+                    content = { _: PaddingValues -> Text("content") },
+                )
+            }
+        }
+
+        composeRule.onNodeWithText("ABox").performClick()
+        composeRule.onNodeWithText("U").performClick()
+
+        assertEquals(1, providerClicks)
+        assertEquals(1, avatarClicks)
+    }
+}

android/app/src/main/kotlin/com/flagship/abox/manager/ui/ABoxManagerApp.kt

@@ -5,42 +5,31 @@ import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.safeDrawing
 import androidx.compose.foundation.layout.windowInsetsPadding
+import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
-import androidx.navigation.NavType
-import androidx.navigation.compose.NavHost
-import androidx.navigation.compose.composable
-import androidx.navigation.compose.rememberNavController
-import androidx.navigation.navArgument
 import com.flagship.abox.manager.designsystem.ABoxLoadingIndicator
 import com.flagship.abox.manager.designsystem.ABoxSurface
 import com.flagship.abox.manager.designsystem.ABoxTheme
-import com.flagship.abox.manager.domain.DeviceName
 import com.flagship.abox.manager.domain.ProviderProfile
 import com.flagship.abox.manager.domain.Username
-import com.flagship.abox.manager.infrared.hub.InfraredHubRoute
-import com.flagship.abox.manager.infrared.panel.RemotePanelRoute
-import com.flagship.abox.manager.infrared.ui.InfraredControlRoute
-import com.flagship.abox.manager.ui.devicecontrollist.DeviceListScreen
 import com.flagship.abox.manager.ui.login.LoginRoute
 import com.flagship.abox.manager.ui.login.LoginViewModel
-import com.flagship.abox.manager.ui.navigation.deviceDetailGraph
-import com.flagship.abox.manager.ui.navigation.navigateToSocket
-import com.flagship.abox.manager.ui.navigation.navigateToTemperatureHumidity
-import com.flagship.abox.manager.ui.provider.ProviderSelectionRoute
+import com.flagship.abox.manager.ui.navigation.AuthenticatedNavigation
 import com.flagship.abox.manager.ui.preferences.SettingsViewModel
-import com.flagship.abox.manager.ui.scene.SceneListScreen
-import com.flagship.abox.manager.ui.scene.SceneRoutes
-import com.flagship.abox.manager.ui.scene.sceneEditorDestination
-import com.flagship.abox.manager.ui.scene.sceneExecutionDestination
+import com.flagship.abox.manager.ui.provider.ProviderSelectionRoute
 import com.flagship.abox.manager.ui.session.AppSessionUiState
 import com.flagship.abox.manager.ui.session.AppSessionViewModel
 import com.flagship.abox.manager.ui.session.SessionActionsViewModel
-import com.flagship.abox.manager.ui.shell.MainAppShell
+import com.flagship.abox.manager.ui.shell.AccountProviderBottomSheet
 
 @Composable
 fun ABoxManagerApp(
@@ -54,12 +43,14 @@ fun ABoxManagerApp(
     val settingsState = settingsViewModel.uiState.collectAsStateWithLifecycle().value
     val actionError = actionState.errorMessage?.asString()
     val screenKey = sessionState.screenKey()
+
     LaunchedEffect(screenKey) {
         sessionActionsViewModel.dismissError()
         if (sessionState !is AppSessionUiState.Login) {
             loginViewModel.clearSensitiveState()
         }
     }
+
     ABoxTheme(preferences = settingsState.preferences) {
         ABoxSurface(modifier = Modifier.fillMaxSize()) {
             when (val state = sessionState) {
@@ -92,6 +83,7 @@ fun ABoxManagerApp(
     }
 }
 
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 private fun AuthenticatedNavHost(
     username: Username,
@@ -100,100 +92,25 @@ private fun AuthenticatedNavHost(
     errorMessage: String?,
     onLogout: () -> Unit,
 ) {
-    val navController = rememberNavController()
-    NavHost(
-        navController = navController,
-        startDestination = "home",
-    ) {
-        composable("home") {
-            MainAppShell(
-                userName = username.value,
-                providerName = profile.displayName,
-                onLogout = onLogout,
-                actionInProgress = actionInProgress,
-                errorMessage = errorMessage,
-                devicesSlot = {
-                    val encodedProfileId = android.net.Uri.encode(profile.id.value)
-                    DeviceListScreen(
-                        onSocketClick = {
-                            navController.navigateToSocket(
-                                profileId = profile.id,
-                                deviceName = DeviceName("Zigbee插座控制器"),
-                            )
-                        },
-                        onTemperatureHumidityClick = {
-                            navController.navigateToTemperatureHumidity(
-                                profileId = profile.id,
-                                deviceName = DeviceName("温湿度传感器"),
-                            )
-                        },
-                        onInfraredClick = {
-                            navController.navigate("infrared_hub/$encodedProfileId")
-                        },
-                    )
-                },
-                scenesSlot = {
-                    SceneListScreen(
-                        onAddManual = { navController.navigate(SceneRoutes.EDITOR_MANUAL) },
-                        onAddAutomatic = { navController.navigate(SceneRoutes.EDITOR_AUTOMATIC) },
-                        onEditScene = { sceneId -> navController.navigate(SceneRoutes.editorFor(sceneId)) },
-                        onExecuteScene = { sceneId -> navController.navigate(SceneRoutes.executionFor(sceneId)) },
-                    )
-                },
-            )
-        }
-        deviceDetailGraph(
-            onBackClick = navController::popBackStack,
+    var showAccountSheet by remember { mutableStateOf(false) }
+
+    AuthenticatedNavigation(
+        username = username,
+        profile = profile,
+        onLogout = onLogout,
+        onProviderClick = { showAccountSheet = true },
+        onAvatarClick = { showAccountSheet = true },
+    )
+
+    if (showAccountSheet) {
+        AccountProviderBottomSheet(
+            userName = username.value,
+            providerName = profile.displayName,
+            onDismissRequest = { showAccountSheet = false },
+            onLogout = onLogout,
+            actionInProgress = actionInProgress,
+            errorMessage = errorMessage,
         )
-        sceneEditorDestination(
-            onBack = { navController.popBackStack() },
-            onSaved = { navController.popBackStack() },
-        )
-        sceneExecutionDestination(
-            onBack = { navController.popBackStack() },
-        )
-        composable(
-            route = "infrared_hub/{profileId}",
-            arguments = listOf(
-                navArgument("profileId") { type = NavType.StringType },
-            ),
-        ) {
-            val encodedProfileId = android.net.Uri.encode(profile.id.value)
-            InfraredHubRoute(
-                onBack = { navController.popBackStack() },
-                onOpenRemote = { remoteId ->
-                    val encodedRemoteId = android.net.Uri.encode(remoteId)
-                    navController.navigate("infrared_panel/$encodedProfileId/$encodedRemoteId")
-                },
-                onOpenSettings = {
-                    navController.navigate("infrared_settings/$encodedProfileId")
-                },
-                onSessionInvalid = onLogout,
-            )
-        }
-        composable(
-            route = "infrared_panel/{profileId}/{remoteId}",
-            arguments = listOf(
-                navArgument("profileId") { type = NavType.StringType },
-                navArgument("remoteId") { type = NavType.StringType },
-            ),
-        ) {
-            RemotePanelRoute(
-                onBack = { navController.popBackStack() },
-                onSessionInvalid = onLogout,
-            )
-        }
-        composable(
-            route = "infrared_settings/{profileId}",
-            arguments = listOf(
-                navArgument("profileId") { type = NavType.StringType },
-            ),
-        ) {
-            InfraredControlRoute(
-                onBack = { navController.popBackStack() },
-                onSessionInvalid = onLogout,
-            )
-        }
     }
 }
 

android/app/src/main/kotlin/com/flagship/abox/manager/ui/navigation/AuthenticatedNavigation.kt

@@ -0,0 +1,391 @@
+package com.flagship.abox.manager.ui.navigation
+
+import android.net.Uri
+import androidx.activity.compose.BackHandler
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.key
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import androidx.navigation.NavHostController
+import androidx.navigation.NavType
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import androidx.navigation.navArgument
+import com.flagship.abox.manager.R
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DeviceType
+import com.flagship.abox.manager.domain.ProviderProfile
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.Username
+import com.flagship.abox.manager.infrared.hub.InfraredHubRoute
+import com.flagship.abox.manager.infrared.panel.RemotePanelRoute
+import com.flagship.abox.manager.infrared.ui.InfraredControlRoute
+import com.flagship.abox.manager.ui.devicecontrollist.DeviceListScreen
+import com.flagship.abox.manager.ui.scene.SceneListScreen
+import com.flagship.abox.manager.ui.scene.SceneRoutes
+import com.flagship.abox.manager.ui.scene.sceneEditorDestination
+import com.flagship.abox.manager.ui.scene.sceneExecutionDestination
+import com.flagship.abox.manager.ui.shell.ABoxWindowSizeClass
+import com.flagship.abox.manager.ui.shell.DetailPresentation
+import com.flagship.abox.manager.ui.shell.DeviceSelection
+import com.flagship.abox.manager.ui.shell.MainAppShell
+import com.flagship.abox.manager.ui.shell.MainTab
+import com.flagship.abox.manager.ui.shell.detailPresentation
+import com.flagship.abox.manager.ui.shell.widthClass
+import com.flagship.abox.manager.ui.socket.SocketScreen
+import com.flagship.abox.manager.ui.socket.SocketUiEvent
+import com.flagship.abox.manager.ui.socket.SocketViewModel
+import com.flagship.abox.manager.ui.temperaturehumidity.TemperatureHumidityScreen
+import com.flagship.abox.manager.ui.temperaturehumidity.TemperatureHumidityUiEvent
+import com.flagship.abox.manager.ui.temperaturehumidity.TemperatureHumidityViewModel
+
+/** Pure authenticated graph state for tab, detail, and profile continuity tests. */
+data class AuthenticatedGraphState(
+    val profileId: ProviderProfileId,
+    val currentTab: MainTab = MainTab.DEVICES,
+    private val backStacks: Map<MainTab, List<String>> = MainTab.values().associateWith { listOf(it.route) },
+    val selectedDevice: DeviceSelection? = null,
+) {
+    fun selectTab(tab: MainTab): AuthenticatedGraphState {
+        val nextStack = if (tab == currentTab) {
+            listOf(tab.route)
+        } else {
+            backStacks[tab].orEmpty().ifEmpty { listOf(tab.route) }
+        }
+        return copy(
+            currentTab = tab,
+            backStacks = backStacks + (tab to nextStack),
+            selectedDevice = null,
+        )
+    }
+
+    fun pushChild(route: String): AuthenticatedGraphState = copy(
+        backStacks = backStacks + (currentTab to (backStacks[currentTab].orEmpty() + route)),
+    )
+
+    fun tabBackStack(tab: MainTab): List<String> =
+        backStacks[tab].orEmpty().ifEmpty { listOf(tab.route) }
+
+    fun recreateForProfile(newProfileId: ProviderProfileId): AuthenticatedGraphState =
+        AuthenticatedGraphState(profileId = newProfileId)
+
+    fun selectDevice(deviceName: DeviceName, type: DeviceType): AuthenticatedGraphState = copy(
+        selectedDevice = DeviceSelection(profileId, deviceName, type),
+    )
+
+    fun handleBack(): AuthenticatedGraphState = when {
+        selectedDevice != null -> copy(selectedDevice = null)
+        tabBackStack(currentTab).size > 1 -> copy(
+            backStacks = backStacks + (currentTab to tabBackStack(currentTab).dropLast(1)),
+        )
+        else -> this
+    }
+}
+
+@Composable
+fun AuthenticatedNavigation(
+    username: Username,
+    profile: ProviderProfile,
+    onLogout: () -> Unit,
+    onProviderClick: () -> Unit,
+    onAvatarClick: () -> Unit,
+    windowSizeClass: ABoxWindowSizeClass? = null,
+) {
+    val resolvedWindowSizeClass = windowSizeClass ?: widthClass(LocalConfiguration.current.screenWidthDp)
+    key(profile.id.value) {
+        AuthenticatedNavigationContent(
+            username = username,
+            profile = profile,
+            onLogout = onLogout,
+            onProviderClick = onProviderClick,
+            onAvatarClick = onAvatarClick,
+            windowSizeClass = resolvedWindowSizeClass,
+        )
+    }
+}
+
+@Composable
+private fun AuthenticatedNavigationContent(
+    username: Username,
+    profile: ProviderProfile,
+    onLogout: () -> Unit,
+    onProviderClick: () -> Unit,
+    onAvatarClick: () -> Unit,
+    windowSizeClass: ABoxWindowSizeClass,
+) {
+    val navController = rememberNavController()
+    var selectedDevice by remember { mutableStateOf<DeviceSelection?>(null) }
+    val backStackEntry by navController.currentBackStackEntryAsState()
+    val currentRoute = backStackEntry?.destination?.route
+    val currentTab = MainTab.fromRoute(currentRoute) ?: MainTab.DEVICES
+    val selectedDetailPresentation = selectedDevice?.let {
+        detailPresentation(windowSizeClass, it)
+    }
+    val isExpandedDevicePane = selectedDevice != null &&
+        selectedDetailPresentation == DetailPresentation.PANE &&
+        currentTab == MainTab.DEVICES
+
+    BackHandler(enabled = navController.previousBackStackEntry != null || selectedDevice != null) {
+        if (selectedDevice != null && selectedDetailPresentation == DetailPresentation.PANE) {
+            selectedDevice = null
+        } else {
+            selectedDevice = null
+            navController.popBackStack()
+        }
+    }
+
+    MainAppShell(
+        currentTab = currentTab,
+        windowSizeClass = windowSizeClass,
+        userName = username.value,
+        providerName = profile.displayName,
+        onTabClick = { tab ->
+            selectedDevice = null
+            if (tab == currentTab) {
+                navController.popBackStack(tab.route, inclusive = false)
+            } else {
+                navController.navigate(tab.route) {
+                    launchSingleTop = true
+                    restoreState = true
+                    popUpTo(navController.graph.startDestinationId) {
+                        saveState = true
+                    }
+                }
+            }
+        },
+        onProviderClick = onProviderClick,
+        onAvatarClick = onAvatarClick,
+        content = { paddingValues ->
+            AuthenticatedGraphContent(
+                navController = navController,
+                profile = profile,
+                paddingValues = paddingValues,
+                isExpandedDevicePane = isExpandedDevicePane,
+                selectedDevice = selectedDevice,
+                onSelectDevice = { deviceName, type ->
+                    val selection = DeviceSelection(profile.id, deviceName, type)
+                    selectedDevice = selection
+                    val route = when (type) {
+                        DeviceType.SOCKET -> DeviceDetailRoutes.socketRoute(profile.id, deviceName)
+                        DeviceType.TEMPERATURE_HUMIDITY -> DeviceDetailRoutes.temperatureHumidityRoute(profile.id, deviceName)
+                        DeviceType.INFRARED -> "${Routes.INFRARED_HUB}/${Uri.encode(profile.id.value)}"
+                    }
+                    if (detailPresentation(windowSizeClass, selection) == DetailPresentation.FULL_SCREEN) {
+                        navController.navigate(route)
+                    }
+                },
+                onClearDeviceSelection = { selectedDevice = null },
+                onLogout = onLogout,
+            )
+        },
+    )
+}
+
+@Composable
+private fun AuthenticatedGraphContent(
+    navController: NavHostController,
+    profile: ProviderProfile,
+    paddingValues: PaddingValues,
+    isExpandedDevicePane: Boolean,
+    selectedDevice: DeviceSelection?,
+    onSelectDevice: (DeviceName, DeviceType) -> Unit,
+    onClearDeviceSelection: () -> Unit,
+    onLogout: () -> Unit,
+) {
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(paddingValues),
+    ) {
+        if (isExpandedDevicePane) {
+            Row(modifier = Modifier.fillMaxSize()) {
+                AuthenticatedNavHost(
+                    modifier = Modifier.weight(1f),
+                    navController = navController,
+                    profile = profile,
+                    onSelectDevice = onSelectDevice,
+                    onClearDeviceSelection = onClearDeviceSelection,
+                    onLogout = onLogout,
+                )
+                DeviceDetailPane(
+                    modifier = Modifier.weight(1f),
+                    selection = requireNotNull(selectedDevice),
+                    onBack = onClearDeviceSelection,
+                )
+            }
+        } else {
+            AuthenticatedNavHost(
+                modifier = Modifier.fillMaxSize(),
+                navController = navController,
+                profile = profile,
+                onSelectDevice = onSelectDevice,
+                onClearDeviceSelection = onClearDeviceSelection,
+                onLogout = onLogout,
+            )
+        }
+    }
+}
+
+@Composable
+private fun AuthenticatedNavHost(
+    modifier: Modifier,
+    navController: NavHostController,
+    profile: ProviderProfile,
+    onSelectDevice: (DeviceName, DeviceType) -> Unit,
+    onClearDeviceSelection: () -> Unit,
+    onLogout: () -> Unit,
+) {
+    NavHost(
+        navController = navController,
+        startDestination = MainTab.DEVICES.route,
+        modifier = modifier,
+    ) {
+        composable(MainTab.DEVICES.route) {
+            DeviceRoot(onSelectDevice = onSelectDevice)
+        }
+        composable(MainTab.SCENES.route) {
+            SceneListScreen(
+                onAddManual = { navController.navigate(SceneRoutes.EDITOR_MANUAL) },
+                onAddAutomatic = { navController.navigate(SceneRoutes.EDITOR_AUTOMATIC) },
+                onEditScene = { sceneId -> navController.navigate(SceneRoutes.editorFor(sceneId)) },
+                onExecuteScene = { sceneId -> navController.navigate(SceneRoutes.executionFor(sceneId)) },
+            )
+        }
+        composable(MainTab.ACTIVITY.route) {
+            ActivityDestination()
+        }
+        deviceDetailGraph(
+            onBackClick = {
+                onClearDeviceSelection()
+                navController.popBackStack()
+            },
+        )
+        sceneEditorDestination(
+            onBack = navController::popBackStack,
+            onSaved = { navController.popBackStack(MainTab.SCENES.route, inclusive = false) },
+        )
+        sceneExecutionDestination(onBack = navController::popBackStack)
+        composable(
+            route = "${Routes.INFRARED_HUB}/{profileId}",
+            arguments = listOf(navArgument("profileId") { type = NavType.StringType }),
+        ) {
+            InfraredHubRoute(
+                onBack = {
+                    onClearDeviceSelection()
+                    navController.popBackStack()
+                },
+                onOpenRemote = { remoteId ->
+                    navController.navigate(
+                        "${Routes.INFRARED_PANEL}/${Uri.encode(profile.id.value)}/${Uri.encode(remoteId)}",
+                    )
+                },
+                onOpenSettings = {
+                    navController.navigate("${Routes.INFRARED_SETTINGS}/${Uri.encode(profile.id.value)}")
+                },
+                onSessionInvalid = onLogout,
+            )
+        }
+        composable(
+            route = "${Routes.INFRARED_PANEL}/{profileId}/{remoteId}",
+            arguments = listOf(
+                navArgument("profileId") { type = NavType.StringType },
+                navArgument("remoteId") { type = NavType.StringType },
+            ),
+        ) {
+            RemotePanelRoute(
+                onBack = navController::popBackStack,
+                onSessionInvalid = onLogout,
+            )
+        }
+        composable(
+            route = "${Routes.INFRARED_SETTINGS}/{profileId}",
+            arguments = listOf(navArgument("profileId") { type = NavType.StringType }),
+        ) {
+            InfraredControlRoute(
+                onBack = navController::popBackStack,
+                onSessionInvalid = onLogout,
+            )
+        }
+    }
+}
+
+@Composable
+private fun DeviceRoot(
+    modifier: Modifier = Modifier,
+    onSelectDevice: (DeviceName, DeviceType) -> Unit,
+) {
+    DeviceListScreen(
+        modifier = modifier,
+        onSocketClick = { onSelectDevice(DeviceName("Zigbee插座控制器"), DeviceType.SOCKET) },
+        onTemperatureHumidityClick = {
+            onSelectDevice(DeviceName("温湿度传感器"), DeviceType.TEMPERATURE_HUMIDITY)
+        },
+        onInfraredClick = { onSelectDevice(DeviceName("红外遥控器"), DeviceType.INFRARED) },
+    )
+}
+
+@Composable
+private fun DeviceDetailPane(
+    selection: DeviceSelection,
+    onBack: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    when (selection.type) {
+        DeviceType.SOCKET -> {
+            val viewModel: SocketViewModel = hiltViewModel()
+            val state by viewModel.state.collectAsStateWithLifecycle()
+            LaunchedEffect(selection) {
+                viewModel.onEvent(SocketUiEvent.Initialize(selection.profileId, selection.deviceName))
+            }
+            SocketScreen(
+                state = state,
+                onEvent = viewModel::onEvent,
+                onBackClick = onBack,
+                modifier = modifier,
+            )
+        }
+        DeviceType.TEMPERATURE_HUMIDITY -> {
+            val viewModel: TemperatureHumidityViewModel = hiltViewModel()
+            val state by viewModel.state.collectAsStateWithLifecycle()
+            LaunchedEffect(selection) {
+                viewModel.onEvent(
+                    TemperatureHumidityUiEvent.Initialize(selection.profileId, selection.deviceName),
+                )
+            }
+            TemperatureHumidityScreen(
+                state = state,
+                onEvent = viewModel::onEvent,
+                onBackClick = onBack,
+                modifier = modifier,
+            )
+        }
+        DeviceType.INFRARED -> Unit
+    }
+}
+
+@Composable
+private fun ActivityDestination() {
+    Box(modifier = Modifier.fillMaxSize().padding(24.dp)) {
+        Text(
+            text = androidx.compose.ui.res.stringResource(R.string.activity_placeholder_title),
+            style = MaterialTheme.typography.headlineMedium,
+        )
+    }
+}

android/app/src/main/kotlin/com/flagship/abox/manager/ui/navigation/Routes.kt

@@ -4,7 +4,9 @@ object Routes {
     const val STARTUP = "startup"
     const val PROVIDER_SELECTION = "provider_selection"
     const val LOGIN = "login"
-
-    /** Login-complete route contract; the device navigation owner replaces its placeholder. */
     const val AUTHENTICATED = "authenticated"
+
+    const val INFRARED_HUB = "infrared_hub"
+    const val INFRARED_PANEL = "infrared_panel"
+    const val INFRARED_SETTINGS = "infrared_settings"
 }

android/app/src/main/kotlin/com/flagship/abox/manager/ui/shell/AdaptiveLayout.kt

@@ -0,0 +1,53 @@
+package com.flagship.abox.manager.ui.shell
+
+import androidx.compose.runtime.Immutable
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DeviceType
+import com.flagship.abox.manager.domain.ProviderProfileId
+
+/** Width buckets used by the authenticated shell. */
+enum class ABoxWindowSizeClass {
+    COMPACT,
+    MEDIUM,
+    EXPANDED,
+}
+
+fun widthClass(widthDp: Int): ABoxWindowSizeClass = when {
+    widthDp < 600 -> ABoxWindowSizeClass.COMPACT
+    widthDp < 840 -> ABoxWindowSizeClass.MEDIUM
+    else -> ABoxWindowSizeClass.EXPANDED
+}
+
+enum class MainNavigationPresentation {
+    BOTTOM_NAVIGATION,
+    NAVIGATION_RAIL,
+}
+
+fun navigationPresentation(windowSizeClass: ABoxWindowSizeClass): MainNavigationPresentation = when (windowSizeClass) {
+    ABoxWindowSizeClass.COMPACT -> MainNavigationPresentation.BOTTOM_NAVIGATION
+    ABoxWindowSizeClass.MEDIUM,
+    ABoxWindowSizeClass.EXPANDED,
+    -> MainNavigationPresentation.NAVIGATION_RAIL
+}
+
+@Immutable
+data class DeviceSelection(
+    val profileId: ProviderProfileId,
+    val deviceName: DeviceName,
+    val type: DeviceType,
+)
+
+enum class DetailPresentation {
+    FULL_SCREEN,
+    PANE,
+}
+
+fun detailPresentation(
+    windowSizeClass: ABoxWindowSizeClass,
+    selection: DeviceSelection,
+): DetailPresentation = when {
+    windowSizeClass == ABoxWindowSizeClass.EXPANDED && selection.type != DeviceType.INFRARED -> {
+        DetailPresentation.PANE
+    }
+    else -> DetailPresentation.FULL_SCREEN
+}

android/app/src/main/kotlin/com/flagship/abox/manager/ui/shell/MainAppShell.kt

@@ -1,179 +1,198 @@
 package com.flagship.abox.manager.ui.shell
 
-import androidx.compose.animation.Crossfade
-import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.statusBarsPadding
-import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Bolt
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.NavigationRail
+import androidx.compose.material3.NavigationRailItem
 import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.saveable.rememberSaveableStateHolder
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import com.flagship.abox.manager.R
 import com.flagship.abox.manager.designsystem.ABoxNavigationBar
 import com.flagship.abox.manager.designsystem.ABoxNavigationBarItem
-import com.flagship.abox.manager.designsystem.ABoxTopPillBar
-import com.flagship.abox.manager.ui.devicecontrollist.DeviceListScreen
+import com.flagship.abox.manager.designsystem.ABoxUserAvatar
 
-/**
- * Main authenticated application shell.
- *
- * Provides:
- * 1. A floating/pinned pill top app bar with provider context, '+' action, and avatar account sheet.
- * 2. Material 3 bottom navigation bar with pill indicator for Devices, Scenes, and Activity tabs.
- * 3. Clear composable slot boundaries for team member integrations.
- */
-@OptIn(ExperimentalMaterial3Api::class)
+/** Stateless authenticated shell; navigation state belongs to AuthenticatedNavigation. */
 @Composable
 fun MainAppShell(
+    currentTab: MainTab,
+    windowSizeClass: ABoxWindowSizeClass,
     userName: String,
     providerName: String,
-    onLogout: () -> Unit,
-    modifier: Modifier = Modifier,
-    initialTab: MainTab = MainTab.DEVICES,
-    onTabSelected: (MainTab) -> Unit = {},
-    onAddClick: (() -> Unit)? = null,
-    actionInProgress: Boolean = false,
-    errorMessage: String? = null,
-    devicesSlot: @Composable () -> Unit = { DeviceListScreen() },
-    scenesSlot: @Composable () -> Unit = { DefaultScenesSlot() },
-    activitySlot: @Composable () -> Unit = { DefaultActivitySlot() },
+    onTabClick: (MainTab) -> Unit,
+    onProviderClick: () -> Unit,
+    onAvatarClick: () -> Unit,
+    content: @Composable (PaddingValues) -> Unit,
 ) {
-    var activeTab by rememberSaveable { mutableStateOf(initialTab) }
-    var showAccountSheet by remember { mutableStateOf(false) }
-    val tabStateHolder = rememberSaveableStateHolder()
+    val useRail = navigationPresentation(windowSizeClass) == MainNavigationPresentation.NAVIGATION_RAIL
 
     Scaffold(
-        modifier = modifier.fillMaxSize(),
+        modifier = Modifier.fillMaxSize(),
         topBar = {
-            Box(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .statusBarsPadding()
-                    .padding(horizontal = 16.dp, vertical = 8.dp),
-            ) {
-                ABoxTopPillBar(
-                    title = stringResource(R.string.top_bar_prompt_format, providerName),
-                    userName = userName,
-                    onAvatarClick = { showAccountSheet = true },
-                    onAddClick = onAddClick,
-                    addActionContentDescription = stringResource(R.string.action_add),
-                    avatarContentDescription = stringResource(R.string.action_account),
-                )
-            }
+            ProviderTopBar(
+                currentTab = currentTab,
+                providerName = providerName,
+                userName = userName,
+                onProviderClick = onProviderClick,
+                onAvatarClick = onAvatarClick,
+            )
         },
         bottomBar = {
-            ABoxNavigationBar {
-                MainTab.values().forEach { tab ->
-                    val isSelected = (tab == activeTab)
-                    ABoxNavigationBarItem(
-                        selected = isSelected,
-                        onClick = {
-                            activeTab = tab
-                            onTabSelected(tab)
-                        },
-                        icon = {
-                            Icon(
-                                imageVector = if (isSelected) tab.selectedIcon else tab.unselectedIcon,
-                                contentDescription = stringResource(tab.labelRes),
-                            )
-                        },
-                        label = {
-                            Text(text = stringResource(tab.labelRes))
-                        },
-                    )
+            if (!useRail) {
+                ABoxNavigationBar {
+                    MainTab.values().forEach { tab ->
+                        val selected = tab == currentTab
+                        ABoxNavigationBarItem(
+                            selected = selected,
+                            onClick = { onTabClick(tab) },
+                            icon = {
+                                Icon(
+                                    imageVector = if (selected) tab.selectedIcon else tab.unselectedIcon,
+                                    contentDescription = stringResource(tab.labelRes),
+                                )
+                            },
+                            label = { Text(stringResource(tab.labelRes)) },
+                        )
+                    }
                 }
             }
         },
     ) { innerPadding ->
-        Box(
-            modifier = Modifier
-                .fillMaxSize()
-                .padding(innerPadding),
+        Row(
+            modifier = Modifier.fillMaxSize(),
         ) {
-            Crossfade(
-                targetState = activeTab,
-                label = "MainTabCrossfade",
-            ) { tab ->
-                tabStateHolder.SaveableStateProvider(tab) {
-                    when (tab) {
-                        MainTab.DEVICES -> devicesSlot()
-                        MainTab.SCENES -> scenesSlot()
-                        MainTab.ACTIVITY -> activitySlot()
-                    }
-                }
+            if (useRail) {
+                MainNavigationRail(
+                    currentTab = currentTab,
+                    onTabClick = onTabClick,
+                )
+            }
+            Box(modifier = Modifier.weight(1f).fillMaxHeight()) {
+                content(innerPadding)
             }
         }
     }
-
-    if (showAccountSheet) {
-        AccountProviderBottomSheet(
-            userName = userName,
-            providerName = providerName,
-            onDismissRequest = { showAccountSheet = false },
-            onLogout = onLogout,
-            actionInProgress = actionInProgress,
-            errorMessage = errorMessage,
-        )
-    }
 }
 
 @Composable
-private fun DefaultScenesSlot() {
-    SlotPlaceholder(
-        title = stringResource(R.string.scenes_placeholder_title),
-        description = stringResource(R.string.scenes_placeholder_description),
-    )
-}
-
-@Composable
-private fun DefaultActivitySlot() {
-    SlotPlaceholder(
-        title = stringResource(R.string.activity_placeholder_title),
-        description = stringResource(R.string.activity_placeholder_description),
-    )
-}
-
-@Composable
-private fun SlotPlaceholder(
-    title: String,
-    description: String,
+private fun ProviderTopBar(
+    currentTab: MainTab,
+    providerName: String,
+    userName: String,
+    onProviderClick: () -> Unit,
+    onAvatarClick: () -> Unit,
 ) {
-    Column(
+    Box(
         modifier = Modifier
-            .fillMaxSize()
-            .padding(24.dp),
-        horizontalAlignment = Alignment.CenterHorizontally,
-        verticalArrangement = Arrangement.Center,
+            .fillMaxWidth()
+            .statusBarsPadding()
+            .padding(horizontal = 16.dp, vertical = 8.dp),
     ) {
-        Text(
-            text = title,
-            style = MaterialTheme.typography.headlineSmall,
-            textAlign = TextAlign.Center,
-            color = MaterialTheme.colorScheme.onSurface,
-        )
-        Text(
-            text = description,
-            style = MaterialTheme.typography.bodyMedium,
-            textAlign = TextAlign.Center,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-            modifier = Modifier.padding(top = 8.dp),
-        )
+        Surface(
+            modifier = Modifier.fillMaxWidth(),
+            shape = RoundedCornerShape(32.dp),
+            color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.6f),
+            tonalElevation = 2.dp,
+        ) {
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(64.dp)
+                    .padding(horizontal = 8.dp),
+                verticalAlignment = Alignment.CenterVertically,
+            ) {
+                Row(
+                    modifier = Modifier
+                        .clip(RoundedCornerShape(24.dp))
+                        .clickable(
+                            onClickLabel = stringResource(R.string.account_sheet_provider),
+                            onClick = onProviderClick,
+                        )
+                        .padding(start = 8.dp, end = 12.dp, top = 8.dp, bottom = 8.dp),
+                    verticalAlignment = Alignment.CenterVertically,
+                ) {
+                    Icon(
+                        imageVector = Icons.Outlined.Bolt,
+                        contentDescription = providerName,
+                        tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                        modifier = Modifier.width(22.dp),
+                    )
+                    Text(
+                        text = providerName,
+                        style = MaterialTheme.typography.titleMedium.copy(fontWeight = FontWeight.SemiBold),
+                        color = MaterialTheme.colorScheme.onSurface,
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis,
+                        modifier = Modifier.padding(start = 8.dp),
+                    )
+                }
+                Text(
+                    text = stringResource(currentTab.labelRes),
+                    style = MaterialTheme.typography.titleMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis,
+                    modifier = Modifier
+                        .weight(1f)
+                        .padding(horizontal = 8.dp),
+                )
+                ABoxUserAvatar(
+                    name = userName,
+                    onClick = onAvatarClick,
+                    size = 36.dp,
+                    contentDescription = stringResource(R.string.action_account),
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun MainNavigationRail(
+    currentTab: MainTab,
+    onTabClick: (MainTab) -> Unit,
+) {
+    NavigationRail(
+        modifier = Modifier.fillMaxHeight(),
+        containerColor = MaterialTheme.colorScheme.surface,
+    ) {
+        Spacer(modifier = Modifier.height(8.dp))
+        MainTab.values().forEach { tab ->
+            val selected = tab == currentTab
+            NavigationRailItem(
+                selected = selected,
+                onClick = { onTabClick(tab) },
+                icon = {
+                    Icon(
+                        imageVector = if (selected) tab.selectedIcon else tab.unselectedIcon,
+                        contentDescription = stringResource(tab.labelRes),
+                    )
+                },
+                label = { Text(stringResource(tab.labelRes)) },
+            )
+        }
     }
 }

android/app/src/main/kotlin/com/flagship/abox/manager/ui/shell/MainTab.kt

@@ -11,9 +11,7 @@ import androidx.compose.material.icons.outlined.ViewAgenda
 import androidx.compose.ui.graphics.vector.ImageVector
 import com.flagship.abox.manager.R
 
-/**
- * Main bottom navigation tabs for the authenticated application shell.
- */
+/** Main destinations available while authenticated. */
 enum class MainTab(
     @StringRes val labelRes: Int,
     val selectedIcon: ImageVector,
@@ -24,18 +22,29 @@ enum class MainTab(
         labelRes = R.string.tab_devices,
         selectedIcon = Icons.Filled.Home,
         unselectedIcon = Icons.Outlined.Home,
-        route = "shell/devices",
+        route = "tab/devices",
     ),
     SCENES(
         labelRes = R.string.tab_scenes,
         selectedIcon = Icons.Filled.AutoAwesome,
         unselectedIcon = Icons.Outlined.AutoAwesome,
-        route = "shell/scenes",
+        route = "tab/scenes",
     ),
     ACTIVITY(
         labelRes = R.string.tab_activity,
         selectedIcon = Icons.Filled.ViewAgenda,
         unselectedIcon = Icons.Outlined.ViewAgenda,
-        route = "shell/activity",
+        route = "tab/activity",
     ),
+    ;
+
+    companion object {
+        fun fromRoute(route: String?): MainTab? = when {
+            route == DEVICES.route || route?.startsWith("device/") == true ||
+                route?.startsWith("infrared_") == true -> DEVICES
+            route == SCENES.route || route?.startsWith("scene/") == true -> SCENES
+            route == ACTIVITY.route -> ACTIVITY
+            else -> null
+        }
+    }
 }

android/app/src/test/kotlin/com/flagship/abox/manager/ui/navigation/AuthenticatedNavigationTest.kt

@@ -0,0 +1,91 @@
+package com.flagship.abox.manager.ui.navigation
+
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DeviceType
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.ui.shell.ABoxWindowSizeClass
+import com.flagship.abox.manager.ui.shell.DetailPresentation
+import com.flagship.abox.manager.ui.shell.MainNavigationPresentation
+import com.flagship.abox.manager.ui.shell.MainTab
+import com.flagship.abox.manager.ui.shell.DeviceSelection
+import com.flagship.abox.manager.ui.shell.detailPresentation
+import com.flagship.abox.manager.ui.shell.navigationPresentation
+import com.flagship.abox.manager.ui.shell.widthClass
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Test
+
+class AuthenticatedNavigationTest {
+
+    @Test
+    fun `profile key change recreates authenticated graph`() {
+        val firstProfile = ProviderProfileId("first")
+        val secondProfile = ProviderProfileId("second")
+        val firstGraph = AuthenticatedGraphState(firstProfile)
+            .selectTab(MainTab.SCENES)
+            .selectDevice(DeviceName("socket"), DeviceType.SOCKET)
+
+        val recreated = firstGraph.recreateForProfile(secondProfile)
+
+        assertEquals(secondProfile, recreated.profileId)
+        assertEquals(MainTab.DEVICES, recreated.currentTab)
+        assertNull(recreated.selectedDevice)
+    }
+
+    @Test
+    fun `reselecting main tab pops to its root`() {
+        val state = AuthenticatedGraphState(ProviderProfileId("profile"))
+            .selectTab(MainTab.SCENES)
+            .pushChild("scene/editor/manual")
+
+        val reselected = state.selectTab(MainTab.SCENES)
+
+        assertEquals(MainTab.SCENES, reselected.currentTab)
+        assertEquals(listOf(MainTab.SCENES.route), reselected.tabBackStack(MainTab.SCENES))
+    }
+
+    @Test
+    fun `compact uses bottom navigation`() {
+        assertEquals(MainNavigationPresentation.BOTTOM_NAVIGATION, navigationPresentation(widthClass(599)))
+    }
+
+    @Test
+    fun `medium and expanded use rail`() {
+        assertEquals(MainNavigationPresentation.NAVIGATION_RAIL, navigationPresentation(widthClass(600)))
+        assertEquals(MainNavigationPresentation.NAVIGATION_RAIL, navigationPresentation(widthClass(840)))
+    }
+
+    @Test
+    fun `profile replacement clears previously selected device`() {
+        val state = AuthenticatedGraphState(ProviderProfileId("first"))
+            .selectDevice(DeviceName("sensor"), DeviceType.TEMPERATURE_HUMIDITY)
+
+        val replaced = state.recreateForProfile(ProviderProfileId("second"))
+
+        assertNull(replaced.selectedDevice)
+    }
+
+    @Test
+    fun `selected device uses pane on expanded layouts and full screen otherwise`() {
+        val selection = DeviceSelection(
+            profileId = ProviderProfileId("profile"),
+            deviceName = DeviceName("sensor"),
+            type = DeviceType.TEMPERATURE_HUMIDITY,
+        )
+
+        assertEquals(DetailPresentation.FULL_SCREEN, detailPresentation(widthClass(599), selection))
+        assertEquals(DetailPresentation.PANE, detailPresentation(widthClass(840), selection))
+    }
+
+    @Test
+    fun `back closes child route before leaving its main tab`() {
+        val state = AuthenticatedGraphState(ProviderProfileId("profile"))
+            .selectTab(MainTab.SCENES)
+            .pushChild("scene/editor/manual")
+
+        val afterBack = state.handleBack()
+
+        assertEquals(MainTab.SCENES, afterBack.currentTab)
+        assertEquals(listOf(MainTab.SCENES.route), afterBack.tabBackStack(MainTab.SCENES))
+    }
+}