feat(infrared): refactor virtual remote hub with multi-device presets and quota management

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

@@ -21,7 +21,8 @@ import com.flagship.abox.manager.designsystem.ABoxSurface
 import com.flagship.abox.manager.designsystem.ABoxTheme
 import com.flagship.abox.manager.domain.ProviderProfile
 import com.flagship.abox.manager.domain.Username
-import com.flagship.abox.manager.infrared.remote.ui.InfraredRemoteRoute
+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
@@ -103,27 +104,43 @@ private fun AuthenticatedNavHost(
                     val encodedProfileId = android.net.Uri.encode(profile.id.value)
                     DeviceListScreen(
                         onInfraredClick = {
-                            navController.navigate("infrared_remote/$encodedProfileId")
+                            navController.navigate("infrared_hub/$encodedProfileId")
                         },
                     )
                 },
             )
         }
         composable(
-            route = "infrared_remote/{profileId}",
+            route = "infrared_hub/{profileId}",
             arguments = listOf(
                 navArgument("profileId") { type = NavType.StringType },
             ),
         ) {
             val encodedProfileId = android.net.Uri.encode(profile.id.value)
-            InfraredRemoteRoute(
+            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(

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/data/local/InfraredDao.kt

@@ -105,4 +105,110 @@ interface InfraredDao {
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     suspend fun setDeviceName(entity: InfraredDeviceConfigurationEntity)
+
+    // Virtual Remotes
+    @Query(
+        """
+        SELECT * FROM virtual_remotes
+        WHERE profileId = :profileId AND deviceName = :deviceName
+        ORDER BY createdAtEpochMillis DESC
+        """,
+    )
+    fun observeVirtualRemotes(profileId: String, deviceName: String): Flow<List<VirtualRemoteEntity>>
+
+    @Query(
+        """
+        SELECT * FROM virtual_remotes
+        WHERE profileId = :profileId AND id = :id
+        LIMIT 1
+        """,
+    )
+    fun observeVirtualRemote(profileId: String, id: String): Flow<VirtualRemoteEntity?>
+
+    @Query(
+        """
+        SELECT * FROM virtual_remotes
+        WHERE profileId = :profileId AND id = :id
+        LIMIT 1
+        """,
+    )
+    suspend fun getVirtualRemote(profileId: String, id: String): VirtualRemoteEntity?
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertVirtualRemote(entity: VirtualRemoteEntity)
+
+    @Query(
+        """
+        DELETE FROM virtual_remotes
+        WHERE profileId = :profileId AND id = :id
+        """,
+    )
+    suspend fun deleteVirtualRemote(profileId: String, id: String): Int
+
+    @Query(
+        """
+        UPDATE virtual_remotes
+        SET acPower = :power,
+            acMode = :mode,
+            acTemperature = :temperature,
+            acFanSpeed = :fanSpeed,
+            acVerticalSwing = :verticalSwing,
+            acHorizontalSwing = :horizontalSwing,
+            acEco = :eco,
+            updatedAtEpochMillis = :updatedAtEpochMillis
+        WHERE profileId = :profileId AND id = :id
+        """,
+    )
+    suspend fun updateAcState(
+        profileId: String,
+        id: String,
+        power: Boolean?,
+        mode: String?,
+        temperature: Int?,
+        fanSpeed: String?,
+        verticalSwing: Boolean?,
+        horizontalSwing: Boolean?,
+        eco: Boolean?,
+        updatedAtEpochMillis: Long,
+    ): Int
+
+    // Remote Key Bindings
+    @Query(
+        """
+        SELECT * FROM remote_key_bindings
+        WHERE remoteId = :remoteId
+        """,
+    )
+    fun observeKeyBindings(remoteId: String): Flow<List<RemoteKeyBindingEntity>>
+
+    @Query(
+        """
+        SELECT * FROM remote_key_bindings
+        WHERE remoteId = :remoteId
+        """,
+    )
+    suspend fun getKeyBindings(remoteId: String): List<RemoteKeyBindingEntity>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertKeyBindings(entities: List<RemoteKeyBindingEntity>)
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertKeyBinding(entity: RemoteKeyBindingEntity)
+
+    @Query(
+        """
+        DELETE FROM remote_key_bindings
+        WHERE remoteId = :remoteId
+        """,
+    )
+    suspend fun deleteKeyBindingsByRemoteId(remoteId: String): Int
+
+    @Query(
+        """
+        SELECT b.assignedSlot FROM remote_key_bindings b
+        INNER JOIN virtual_remotes r ON b.remoteId = r.id
+        WHERE r.profileId = :profileId AND r.deviceName = :deviceName AND b.assignedSlot IS NOT NULL
+        """,
+    )
+    fun observeAssignedStaticSlots(profileId: String, deviceName: String): Flow<List<String>>
 }

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/data/local/InfraredDatabase.kt

@@ -7,9 +7,11 @@ import androidx.room.RoomDatabase
     entities = [
         InfraredKeyEntity::class,
         InfraredDeviceConfigurationEntity::class,
+        VirtualRemoteEntity::class,
+        RemoteKeyBindingEntity::class,
     ],
-    version = 1,
-    exportSchema = true,
+    version = 2,
+    exportSchema = false,
 )
 abstract class InfraredDatabase : RoomDatabase() {
     abstract fun infraredDao(): InfraredDao

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/data/local/InfraredEntities.kt

@@ -31,3 +31,52 @@ data class InfraredDeviceConfigurationEntity(
     val profileId: String,
     val deviceName: String,
 )
+
+@Entity(
+    tableName = "virtual_remotes",
+    indices = [
+        Index(value = ["profileId", "deviceName"]),
+    ],
+)
+data class VirtualRemoteEntity(
+    @PrimaryKey
+    val id: String,
+    val profileId: String,
+    val deviceName: String,
+    val displayName: String,
+    val type: String,
+    val brandModel: String?,
+    val transmissionMode: String,
+    val dynamicScratchSlot: String,
+    val acPower: Boolean?,
+    val acMode: String?,
+    val acTemperature: Int?,
+    val acFanSpeed: String?,
+    val acVerticalSwing: Boolean?,
+    val acHorizontalSwing: Boolean?,
+    val acEco: Boolean?,
+    val createdAtEpochMillis: Long,
+    val updatedAtEpochMillis: Long,
+)
+
+@Entity(
+    tableName = "remote_key_bindings",
+    indices = [
+        Index(value = ["remoteId"]),
+        Index(value = ["profileId"]),
+    ],
+)
+data class RemoteKeyBindingEntity(
+    @PrimaryKey
+    val id: String,
+    val remoteId: String,
+    val profileId: String,
+    val buttonId: String,
+    val displayName: String,
+    val assignedSlot: String?,
+    val rawHexCode: String?,
+    val status: String,
+    val lastErrorCode: String?,
+    val lastErrorDetail: String?,
+)
+

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/data/local/RoomVirtualRemoteRepository.kt

@@ -0,0 +1,213 @@
+package com.flagship.abox.manager.infrared.data.local
+
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.infrared.AcFanSpeed
+import com.flagship.abox.manager.domain.infrared.AcMode
+import com.flagship.abox.manager.domain.infrared.AcStateSnapshot
+import com.flagship.abox.manager.domain.infrared.InfraredKeyStatus
+import com.flagship.abox.manager.domain.infrared.RemoteDeviceType
+import com.flagship.abox.manager.domain.infrared.RemoteKeyBinding
+import com.flagship.abox.manager.domain.infrared.SlotQuotaSummary
+import com.flagship.abox.manager.domain.infrared.TransmissionMode
+import com.flagship.abox.manager.domain.infrared.VirtualRemote
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteId
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteRepository
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+class RoomVirtualRemoteRepository @Inject constructor(
+    private val dao: InfraredDao,
+) : VirtualRemoteRepository {
+
+    override fun observeRemotes(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+    ): Flow<DomainResult<List<VirtualRemote>>> =
+        dao.observeVirtualRemotes(profileId.value, deviceName.value).map { entities ->
+            DomainResult.Success(entities.map { it.toDomain() })
+        }
+
+    override fun observeRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): Flow<DomainResult<VirtualRemote?>> =
+        dao.observeVirtualRemote(profileId.value, remoteId.value).map { entity ->
+            DomainResult.Success(entity?.toDomain())
+        }
+
+    override fun observeKeyBindings(
+        remoteId: VirtualRemoteId,
+    ): Flow<DomainResult<List<RemoteKeyBinding>>> =
+        dao.observeKeyBindings(remoteId.value).map { entities ->
+            DomainResult.Success(entities.map { it.toDomain() })
+        }
+
+    override fun observeSlotQuota(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+    ): Flow<DomainResult<SlotQuotaSummary>> =
+        dao.observeAssignedStaticSlots(profileId.value, deviceName.value).map { slots ->
+            val slotInts = slots.mapNotNull { it.toIntOrNull() }.toSet()
+            DomainResult.Success(
+                SlotQuotaSummary(
+                    totalCapacity = 100,
+                    dynamicScratchSlot = 100,
+                    assignedStaticSlots = slotInts,
+                ),
+            )
+        }
+
+    override suspend fun getRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<VirtualRemote?> = try {
+        val entity = dao.getVirtualRemote(profileId.value, remoteId.value)
+        DomainResult.Success(entity?.toDomain())
+    } catch (e: Exception) {
+        DomainResult.Failure(com.flagship.abox.manager.domain.DomainError.OperationFailed(detail = e.message))
+    }
+
+    override suspend fun getKeyBindings(
+        remoteId: VirtualRemoteId,
+    ): DomainResult<List<RemoteKeyBinding>> = try {
+        val list = dao.getKeyBindings(remoteId.value)
+        DomainResult.Success(list.map { it.toDomain() })
+    } catch (e: Exception) {
+        DomainResult.Failure(com.flagship.abox.manager.domain.DomainError.OperationFailed(detail = e.message))
+    }
+
+    override suspend fun createRemote(
+        remote: VirtualRemote,
+        initialBindings: List<RemoteKeyBinding>,
+    ): DomainResult<VirtualRemoteId> = try {
+        dao.insertVirtualRemote(remote.toEntity())
+        dao.insertKeyBindings(initialBindings.map { it.toEntity() })
+        DomainResult.Success(remote.id)
+    } catch (e: Exception) {
+        DomainResult.Failure(com.flagship.abox.manager.domain.DomainError.OperationFailed(detail = e.message))
+    }
+
+    override suspend fun updateRemote(remote: VirtualRemote): DomainResult<Unit> = try {
+        dao.insertVirtualRemote(remote.toEntity())
+        DomainResult.Success(Unit)
+    } catch (e: Exception) {
+        DomainResult.Failure(com.flagship.abox.manager.domain.DomainError.OperationFailed(detail = e.message))
+    }
+
+    override suspend fun deleteRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<Unit> = try {
+        dao.deleteVirtualRemote(profileId.value, remoteId.value)
+        dao.deleteKeyBindingsByRemoteId(remoteId.value)
+        DomainResult.Success(Unit)
+    } catch (e: Exception) {
+        DomainResult.Failure(com.flagship.abox.manager.domain.DomainError.OperationFailed(detail = e.message))
+    }
+
+    override suspend fun updateKeyBinding(binding: RemoteKeyBinding): DomainResult<Unit> = try {
+        dao.insertKeyBinding(binding.toEntity())
+        DomainResult.Success(Unit)
+    } catch (e: Exception) {
+        DomainResult.Failure(com.flagship.abox.manager.domain.DomainError.OperationFailed(detail = e.message))
+    }
+
+    override suspend fun updateAcState(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+        state: AcStateSnapshot,
+    ): DomainResult<Unit> = try {
+        dao.updateAcState(
+            profileId = profileId.value,
+            id = remoteId.value,
+            power = state.power,
+            mode = state.mode.name,
+            temperature = state.temperature,
+            fanSpeed = state.fanSpeed.name,
+            verticalSwing = state.verticalSwing,
+            horizontalSwing = state.horizontalSwing,
+            eco = state.eco,
+            updatedAtEpochMillis = System.currentTimeMillis(),
+        )
+        DomainResult.Success(Unit)
+    } catch (e: Exception) {
+        DomainResult.Failure(com.flagship.abox.manager.domain.DomainError.OperationFailed(detail = e.message))
+    }
+}
+
+private fun VirtualRemoteEntity.toDomain(): VirtualRemote {
+    val ac = if (type == RemoteDeviceType.AIR_CONDITIONER.name) {
+        AcStateSnapshot(
+            power = acPower ?: true,
+            mode = acMode?.let { runCatching { AcMode.valueOf(it) }.getOrNull() } ?: AcMode.COOL,
+            temperature = acTemperature ?: 26,
+            fanSpeed = acFanSpeed?.let { runCatching { AcFanSpeed.valueOf(it) }.getOrNull() } ?: AcFanSpeed.AUTO,
+            verticalSwing = acVerticalSwing ?: true,
+            horizontalSwing = acHorizontalSwing ?: false,
+            eco = acEco ?: false,
+        )
+    } else null
+
+    return VirtualRemote(
+        id = VirtualRemoteId(id),
+        profileId = ProviderProfileId(profileId),
+        deviceName = DeviceName(deviceName),
+        displayName = displayName,
+        type = runCatching { RemoteDeviceType.valueOf(type) }.getOrDefault(RemoteDeviceType.CUSTOM),
+        brandModel = brandModel,
+        transmissionMode = runCatching { TransmissionMode.valueOf(transmissionMode) }.getOrDefault(TransmissionMode.DYNAMIC_SCRATCH),
+        dynamicScratchSlot = dynamicScratchSlot,
+        acState = ac,
+        createdAtEpochMillis = createdAtEpochMillis,
+        updatedAtEpochMillis = updatedAtEpochMillis,
+    )
+}
+
+private fun VirtualRemote.toEntity(): VirtualRemoteEntity = VirtualRemoteEntity(
+    id = id.value,
+    profileId = profileId.value,
+    deviceName = deviceName.value,
+    displayName = displayName,
+    type = type.name,
+    brandModel = brandModel,
+    transmissionMode = transmissionMode.name,
+    dynamicScratchSlot = dynamicScratchSlot,
+    acPower = acState?.power,
+    acMode = acState?.mode?.name,
+    acTemperature = acState?.temperature,
+    acFanSpeed = acState?.fanSpeed?.name,
+    acVerticalSwing = acState?.verticalSwing,
+    acHorizontalSwing = acState?.horizontalSwing,
+    acEco = acState?.eco,
+    createdAtEpochMillis = createdAtEpochMillis,
+    updatedAtEpochMillis = updatedAtEpochMillis,
+)
+
+private fun RemoteKeyBindingEntity.toDomain(): RemoteKeyBinding = RemoteKeyBinding(
+    id = id,
+    remoteId = VirtualRemoteId(remoteId),
+    profileId = ProviderProfileId(profileId),
+    buttonId = buttonId,
+    displayName = displayName,
+    assignedSlot = assignedSlot,
+    rawHexCode = rawHexCode,
+    status = runCatching { InfraredKeyStatus.valueOf(status) }.getOrDefault(InfraredKeyStatus.READY),
+    lastErrorCode = lastErrorCode,
+    lastErrorDetail = lastErrorDetail,
+)
+
+private fun RemoteKeyBinding.toEntity(): RemoteKeyBindingEntity = RemoteKeyBindingEntity(
+    id = id,
+    remoteId = remoteId.value,
+    profileId = profileId.value,
+    buttonId = buttonId,
+    displayName = displayName,
+    assignedSlot = assignedSlot,
+    rawHexCode = rawHexCode,
+    status = status.name,
+    lastErrorCode = lastErrorCode,
+    lastErrorDetail = lastErrorDetail,
+)

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/di/InfraredFeatureModule.kt

@@ -19,6 +19,7 @@ import com.flagship.abox.manager.infrared.application.InfraredLearningCoordinato
 import com.flagship.abox.manager.infrared.data.local.InfraredDao
 import com.flagship.abox.manager.infrared.data.local.InfraredDatabase
 import com.flagship.abox.manager.infrared.data.local.RoomInfraredKeyRepository
+import com.flagship.abox.manager.infrared.data.local.RoomVirtualRemoteRepository
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -48,7 +49,7 @@ object InfraredFeatureModule {
             context,
             InfraredDatabase::class.java,
             "abox_infrared.db",
-        ).build()
+        ).fallbackToDestructiveMigration().build()
     }
 
     @Provides
@@ -161,4 +162,39 @@ object InfraredFeatureModule {
         keyRepository = repository,
         externalScope = scope,
     )
+
+    @Provides
+    @Singleton
+    fun provideRoomVirtualRemoteRepository(dao: InfraredDao): RoomVirtualRemoteRepository =
+        RoomVirtualRemoteRepository(dao)
+
+    @Provides
+    @Singleton
+    fun provideVirtualRemoteRepository(
+        repository: RoomVirtualRemoteRepository,
+    ): com.flagship.abox.manager.domain.infrared.VirtualRemoteRepository = repository
+
+    @Provides
+    @Singleton
+    fun provideCreateVirtualRemote(
+        repository: com.flagship.abox.manager.domain.infrared.VirtualRemoteRepository,
+        gateway: InfraredGateway,
+        clock: EpochMillisClock,
+    ): com.flagship.abox.manager.domain.infrared.CreateVirtualRemote =
+        com.flagship.abox.manager.domain.infrared.CreateVirtualRemote(repository, gateway, clock)
+
+    @Provides
+    @Singleton
+    fun provideSendVirtualRemoteAction(
+        repository: com.flagship.abox.manager.domain.infrared.VirtualRemoteRepository,
+        gateway: InfraredGateway,
+    ): com.flagship.abox.manager.domain.infrared.SendVirtualRemoteAction =
+        com.flagship.abox.manager.domain.infrared.SendVirtualRemoteAction(repository, gateway)
+
+    @Provides
+    @Singleton
+    fun provideDeleteVirtualRemote(
+        repository: com.flagship.abox.manager.domain.infrared.VirtualRemoteRepository,
+    ): com.flagship.abox.manager.domain.infrared.DeleteVirtualRemote =
+        com.flagship.abox.manager.domain.infrared.DeleteVirtualRemote(repository)
 }

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/hub/InfraredHubScreen.kt

@@ -0,0 +1,509 @@
+package com.flagship.abox.manager.infrared.hub
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+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.width
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.LinearProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.RadioButton
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+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.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.flagship.abox.manager.designsystem.ABoxSurface
+import com.flagship.abox.manager.domain.ProviderType
+import com.flagship.abox.manager.domain.infrared.PresetBrandOption
+import com.flagship.abox.manager.domain.infrared.PresetCodeLibrary
+import com.flagship.abox.manager.domain.infrared.RemoteDeviceType
+import com.flagship.abox.manager.domain.infrared.TransmissionMode
+import com.flagship.abox.manager.domain.infrared.VirtualRemote
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteId
+import com.flagship.abox.manager.infrared.R
+import com.flagship.abox.manager.infrared.remote.UiText
+
+@Composable
+fun InfraredHubRoute(
+    onBack: () -> Unit,
+    onOpenRemote: (String) -> Unit,
+    onOpenSettings: () -> Unit,
+    onSessionInvalid: () -> Unit,
+    viewModel: InfraredHubViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsStateWithLifecycle()
+
+    InfraredHubScreen(
+        state = state,
+        onBack = onBack,
+        onOpenRemote = onOpenRemote,
+        onOpenSettings = onOpenSettings,
+        onSessionInvalid = onSessionInvalid,
+        onCreateRemote = viewModel::createRemote,
+        onDeleteRemote = viewModel::deleteRemote,
+        onSaveDeviceName = viewModel::saveDeviceName,
+        onMessageShown = viewModel::clearMessage,
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+internal fun InfraredHubScreen(
+    state: InfraredHubUiState,
+    onBack: () -> Unit,
+    onOpenRemote: (String) -> Unit,
+    onOpenSettings: () -> Unit,
+    onSessionInvalid: () -> Unit,
+    onCreateRemote: (String, RemoteDeviceType, String?, TransmissionMode) -> Unit,
+    onDeleteRemote: (VirtualRemoteId) -> Unit,
+    onSaveDeviceName: (String) -> Unit,
+    onMessageShown: () -> Unit,
+) {
+    val snackbarHostState = remember { SnackbarHostState() }
+    val context = LocalContext.current
+    var showCreateDialog by remember { mutableStateOf(false) }
+
+    LaunchedEffect(state.message) {
+        state.message?.let { msg ->
+            when (msg) {
+                is HubUiMessage.Info -> {
+                    val text = when (val t = msg.text) {
+                        is UiText.DynamicString -> t.value
+                        is UiText.StringResource -> context.getString(t.resId, *t.args.toTypedArray())
+                    }
+                    snackbarHostState.showSnackbar(text)
+                    onMessageShown()
+                }
+                is HubUiMessage.Error -> {
+                    val text = when (val t = msg.text) {
+                        is UiText.DynamicString -> t.value
+                        is UiText.StringResource -> context.getString(t.resId, *t.args.toTypedArray())
+                    }
+                    snackbarHostState.showSnackbar(text)
+                    onMessageShown()
+                }
+                is HubUiMessage.SessionInvalid -> {
+                    onSessionInvalid()
+                    onMessageShown()
+                }
+            }
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text(stringResource(R.string.infrared_hub_title), fontWeight = FontWeight.Bold) },
+                navigationIcon = {
+                    TextButton(onClick = onBack) {
+                        Text(stringResource(R.string.infrared_back))
+                    }
+                },
+                actions = {
+                    IconButton(
+                        onClick = onOpenSettings,
+                        modifier = Modifier.testTag("hub_settings_button"),
+                    ) {
+                        Text("⚙️", fontSize = 20.sp)
+                    }
+                },
+            )
+        },
+        snackbarHost = { SnackbarHost(snackbarHostState) },
+    ) { innerPadding ->
+        ABoxSurface(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(innerPadding),
+        ) {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(16.dp),
+                verticalArrangement = Arrangement.spacedBy(16.dp),
+            ) {
+                // 1. 顶部环境与 100 槽位看板卡片
+                Card(modifier = Modifier.fillMaxWidth()) {
+                    Column(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(16.dp),
+                        verticalArrangement = Arrangement.spacedBy(10.dp),
+                    ) {
+                        val envText = when (state.providerType) {
+                            ProviderType.LOCAL_EXPERIENCE -> stringResource(R.string.infrared_mode_local_simulation)
+                            ProviderType.ABOX -> stringResource(R.string.infrared_mode_abox_real)
+                            null -> state.profileId?.value ?: ""
+                        }
+                        Text(
+                            text = stringResource(R.string.infrared_mode_label, envText),
+                            style = MaterialTheme.typography.titleMedium.copy(fontWeight = FontWeight.Bold),
+                            color = MaterialTheme.colorScheme.primary,
+                        )
+
+                        Text(
+                            text = stringResource(R.string.infrared_saved_device, state.savedDeviceName.value),
+                            style = MaterialTheme.typography.bodyMedium,
+                        )
+
+                        // 槽位配额指示条
+                        val progress = state.slotQuota.usedCount.toFloat() / state.slotQuota.totalCapacity
+                        LinearProgressIndicator(
+                            progress = { progress.coerceIn(0f, 1f) },
+                            modifier = Modifier.fillMaxWidth().height(8.dp),
+                        )
+
+                        Row(
+                            modifier = Modifier.fillMaxWidth(),
+                            horizontalArrangement = Arrangement.SpaceBetween,
+                        ) {
+                            Text(
+                                text = stringResource(
+                                    R.string.infrared_hub_slot_quota,
+                                    state.slotQuota.usedCount,
+                                    state.slotQuota.totalCapacity,
+                                    state.slotQuota.remainingStaticCount,
+                                ),
+                                style = MaterialTheme.typography.bodySmall,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            )
+                            Text(
+                                text = stringResource(R.string.infrared_hub_dynamic_scratch, "100"),
+                                style = MaterialTheme.typography.bodySmall,
+                                color = MaterialTheme.colorScheme.tertiary,
+                                fontWeight = FontWeight.Medium,
+                            )
+                        }
+                    }
+                }
+
+                // 2. 虚拟遥控器列表标题栏
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically,
+                ) {
+                    Text(
+                        text = stringResource(R.string.infrared_hub_remotes_title),
+                        style = MaterialTheme.typography.titleLarge.copy(fontWeight = FontWeight.Bold),
+                    )
+                    Button(
+                        onClick = { showCreateDialog = true },
+                        modifier = Modifier.testTag("hub_add_remote_button"),
+                    ) {
+                        Text("➕ " + stringResource(R.string.infrared_hub_add_remote))
+                    }
+                }
+
+                // 3. 遥控器网格卡片
+                if (state.remotes.isEmpty()) {
+                    Box(
+                        modifier = Modifier.fillMaxWidth().weight(1f),
+                        contentAlignment = Alignment.Center,
+                    ) {
+                        Text(
+                            text = stringResource(R.string.infrared_hub_no_remotes),
+                            style = MaterialTheme.typography.bodyLarge,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                    }
+                } else {
+                    LazyVerticalGrid(
+                        columns = GridCells.Fixed(2),
+                        modifier = Modifier.fillMaxWidth().weight(1f),
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                        verticalArrangement = Arrangement.spacedBy(12.dp),
+                    ) {
+                        items(state.remotes, key = { it.id.value }) { remote ->
+                            VirtualRemoteCard(
+                                remote = remote,
+                                onClick = { onOpenRemote(remote.id.value) },
+                                onDelete = { onDeleteRemote(remote.id) },
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    if (showCreateDialog) {
+        CreateVirtualRemoteDialog(
+            onDismiss = { showCreateDialog = false },
+            onConfirm = { name, type, brandModel, transMode ->
+                onCreateRemote(name, type, brandModel, transMode)
+                showCreateDialog = false
+            },
+        )
+    }
+}
+
+@Composable
+private fun VirtualRemoteCard(
+    remote: VirtualRemote,
+    onClick: () -> Unit,
+    onDelete: () -> Unit,
+) {
+    Card(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .testTag("remote_card_${remote.id.value}"),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp),
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(14.dp),
+            verticalArrangement = Arrangement.spacedBy(8.dp),
+        ) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically,
+            ) {
+                val icon = when (remote.type) {
+                    RemoteDeviceType.TV -> "📺"
+                    RemoteDeviceType.AIR_CONDITIONER -> "❄️"
+                    RemoteDeviceType.FAN -> "🌀"
+                    RemoteDeviceType.CUSTOM -> "🎛️"
+                }
+                Text(icon, fontSize = 28.sp)
+                IconButton(onClick = onDelete, modifier = Modifier.testTag("delete_remote_${remote.id.value}")) {
+                    Text("🗑️", fontSize = 16.sp)
+                }
+            }
+
+            Text(
+                text = remote.displayName,
+                style = MaterialTheme.typography.titleMedium.copy(fontWeight = FontWeight.Bold),
+            )
+
+            val modeText = if (remote.type == RemoteDeviceType.AIR_CONDITIONER) {
+                stringResource(R.string.infrared_hub_mode_dynamic, "100")
+            } else when (remote.transmissionMode) {
+                TransmissionMode.STATIC_SLOTS -> stringResource(R.string.infrared_hub_mode_static, "15")
+                TransmissionMode.DYNAMIC_SCRATCH -> stringResource(R.string.infrared_hub_mode_dynamic, "100")
+            }
+            Text(
+                text = modeText,
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun CreateVirtualRemoteDialog(
+    onDismiss: () -> Unit,
+    onConfirm: (name: String, type: RemoteDeviceType, brandModel: String?, mode: TransmissionMode) -> Unit,
+) {
+    var name by remember { mutableStateOf("") }
+    var selectedType by remember { mutableStateOf(RemoteDeviceType.TV) }
+    var selectedBrand by remember { mutableStateOf(PresetCodeLibrary.availablePresets.first()) }
+    var transmissionMode by remember { mutableStateOf(TransmissionMode.STATIC_SLOTS) }
+
+    var typeDropdownExpanded by remember { mutableStateOf(false) }
+    var brandDropdownExpanded by remember { mutableStateOf(false) }
+
+    val filteredPresets = PresetCodeLibrary.availablePresets.filter { it.deviceType == selectedType }
+
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text(stringResource(R.string.infrared_hub_create_dialog_title)) },
+        text = {
+            Column(
+                modifier = Modifier.fillMaxWidth(),
+                verticalArrangement = Arrangement.spacedBy(12.dp),
+            ) {
+                // 1. 设备类型选择
+                ExposedDropdownMenuBox(
+                    expanded = typeDropdownExpanded,
+                    onExpandedChange = { typeDropdownExpanded = !typeDropdownExpanded },
+                ) {
+                    OutlinedTextField(
+                        value = when (selectedType) {
+                            RemoteDeviceType.TV -> stringResource(R.string.infrared_hub_device_type_tv)
+                            RemoteDeviceType.AIR_CONDITIONER -> stringResource(R.string.infrared_hub_device_type_ac)
+                            RemoteDeviceType.FAN -> stringResource(R.string.infrared_hub_device_type_fan)
+                            RemoteDeviceType.CUSTOM -> stringResource(R.string.infrared_hub_device_type_custom)
+                        },
+                        onValueChange = {},
+                        readOnly = true,
+                        label = { Text(stringResource(R.string.infrared_hub_device_type_label)) },
+                        trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = typeDropdownExpanded) },
+                        modifier = Modifier.fillMaxWidth().menuAnchor(),
+                    )
+                    ExposedDropdownMenu(
+                        expanded = typeDropdownExpanded,
+                        onDismissRequest = { typeDropdownExpanded = false },
+                    ) {
+                        RemoteDeviceType.entries.forEach { type ->
+                            val label = when (type) {
+                                RemoteDeviceType.TV -> stringResource(R.string.infrared_hub_device_type_tv)
+                                RemoteDeviceType.AIR_CONDITIONER -> stringResource(R.string.infrared_hub_device_type_ac)
+                                RemoteDeviceType.FAN -> stringResource(R.string.infrared_hub_device_type_fan)
+                                RemoteDeviceType.CUSTOM -> stringResource(R.string.infrared_hub_device_type_custom)
+                            }
+                            DropdownMenuItem(
+                                text = { Text(label) },
+                                onClick = {
+                                    selectedType = type
+                                    val matched = PresetCodeLibrary.availablePresets.firstOrNull { it.deviceType == type }
+                                    if (matched != null) selectedBrand = matched
+                                    if (type == RemoteDeviceType.AIR_CONDITIONER) {
+                                        transmissionMode = TransmissionMode.DYNAMIC_SCRATCH
+                                    }
+                                    typeDropdownExpanded = false
+                                },
+                            )
+                        }
+                    }
+                }
+
+                // 2. 遥控器名称输入
+                OutlinedTextField(
+                    value = name,
+                    onValueChange = { name = it },
+                    label = { Text("遥控器名称（如：客厅电视）") },
+                    singleLine = true,
+                    modifier = Modifier.fillMaxWidth().testTag("create_remote_name_input"),
+                )
+
+                // 3. 品牌 / 码库预设
+                if (filteredPresets.isNotEmpty()) {
+                    ExposedDropdownMenuBox(
+                        expanded = brandDropdownExpanded,
+                        onExpandedChange = { brandDropdownExpanded = !brandDropdownExpanded },
+                    ) {
+                        OutlinedTextField(
+                            value = selectedBrand.displayName,
+                            onValueChange = {},
+                            readOnly = true,
+                            label = { Text(stringResource(R.string.infrared_hub_brand_label)) },
+                            trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = brandDropdownExpanded) },
+                            modifier = Modifier.fillMaxWidth().menuAnchor(),
+                        )
+                        ExposedDropdownMenu(
+                            expanded = brandDropdownExpanded,
+                            onDismissRequest = { brandDropdownExpanded = false },
+                        ) {
+                            filteredPresets.forEach { preset ->
+                                DropdownMenuItem(
+                                    text = { Text(preset.displayName) },
+                                    onClick = {
+                                        selectedBrand = preset
+                                        brandDropdownExpanded = false
+                                    },
+                                )
+                            }
+                        }
+                    }
+                }
+
+                // 4. 传输模式选择（非空调设备可选）
+                if (selectedType != RemoteDeviceType.AIR_CONDITIONER) {
+                    Column(verticalArrangement = Arrangement.spacedBy(4.dp)) {
+                        Text(stringResource(R.string.infrared_hub_trans_mode_label), fontWeight = FontWeight.Bold, fontSize = 13.sp)
+
+                        Row(
+                            verticalAlignment = Alignment.CenterVertically,
+                            modifier = Modifier.fillMaxWidth().clickable { transmissionMode = TransmissionMode.STATIC_SLOTS },
+                        ) {
+                            RadioButton(
+                                selected = transmissionMode == TransmissionMode.STATIC_SLOTS,
+                                onClick = { transmissionMode = TransmissionMode.STATIC_SLOTS },
+                            )
+                            Column {
+                                Text("🚀 静态独占槽位模式", fontWeight = FontWeight.Medium)
+                                Text(stringResource(R.string.infrared_hub_trans_mode_static_desc), fontSize = 11.sp, color = MaterialTheme.colorScheme.onSurfaceVariant)
+                            }
+                        }
+
+                        Row(
+                            verticalAlignment = Alignment.CenterVertically,
+                            modifier = Modifier.fillMaxWidth().clickable { transmissionMode = TransmissionMode.DYNAMIC_SCRATCH },
+                        ) {
+                            RadioButton(
+                                selected = transmissionMode == TransmissionMode.DYNAMIC_SCRATCH,
+                                onClick = { transmissionMode = TransmissionMode.DYNAMIC_SCRATCH },
+                            )
+                            Column {
+                                Text("📦 动态写码模式", fontWeight = FontWeight.Medium)
+                                Text(stringResource(R.string.infrared_hub_trans_mode_dynamic_desc), fontSize = 11.sp, color = MaterialTheme.colorScheme.onSurfaceVariant)
+                            }
+                        }
+                    }
+                } else {
+                    Card(
+                        colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.secondaryContainer.copy(alpha = 0.5f)),
+                        modifier = Modifier.fillMaxWidth(),
+                    ) {
+                        Text(
+                            text = "❄️ 空调多维状态（温度、扫风、风速）自动采用 App 状态机 + 动态缓冲写码，杜绝状态踩踏并节省槽位。",
+                            fontSize = 12.sp,
+                            modifier = Modifier.padding(10.dp),
+                            color = MaterialTheme.colorScheme.onSecondaryContainer,
+                        )
+                    }
+                }
+            }
+        },
+        confirmButton = {
+            Button(
+                onClick = {
+                    val finalName = if (name.isNotBlank()) name.trim() else selectedBrand.displayName
+                    onConfirm(finalName, selectedType, selectedBrand.id, transmissionMode)
+                },
+                modifier = Modifier.testTag("create_remote_confirm_button"),
+            ) {
+                Text(stringResource(R.string.infrared_dialog_confirm))
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text(stringResource(R.string.infrared_dialog_cancel))
+            }
+        },
+    )
+}

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/hub/InfraredHubUiState.kt

@@ -0,0 +1,25 @@
+package com.flagship.abox.manager.infrared.hub
+
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.ProviderType
+import com.flagship.abox.manager.domain.infrared.SlotQuotaSummary
+import com.flagship.abox.manager.domain.infrared.VirtualRemote
+import com.flagship.abox.manager.infrared.remote.UiText
+
+sealed interface HubUiMessage {
+    data class Info(val text: UiText) : HubUiMessage
+    data class Error(val text: UiText) : HubUiMessage
+    data object SessionInvalid : HubUiMessage
+}
+
+data class InfraredHubUiState(
+    val profileId: ProviderProfileId? = null,
+    val providerType: ProviderType? = null,
+    val providerDisplayName: String? = null,
+    val savedDeviceName: DeviceName = DeviceName("ir-1"),
+    val remotes: List<VirtualRemote> = emptyList(),
+    val slotQuota: SlotQuotaSummary = SlotQuotaSummary(),
+    val loading: Boolean = true,
+    val message: HubUiMessage? = null,
+)

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/hub/InfraredHubViewModel.kt

@@ -0,0 +1,198 @@
+package com.flagship.abox.manager.infrared.hub
+
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DomainError
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.ProviderProfile
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.ProviderProfileStore
+import com.flagship.abox.manager.domain.infrared.CreateVirtualRemote
+import com.flagship.abox.manager.domain.infrared.DeleteVirtualRemote
+import com.flagship.abox.manager.domain.infrared.InfraredDeviceConfigurationRepository
+import com.flagship.abox.manager.domain.infrared.RemoteDeviceType
+import com.flagship.abox.manager.domain.infrared.SlotQuotaSummary
+import com.flagship.abox.manager.domain.infrared.TransmissionMode
+import com.flagship.abox.manager.domain.infrared.VirtualRemote
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteId
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteRepository
+import com.flagship.abox.manager.infrared.R
+import com.flagship.abox.manager.infrared.remote.UiText
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@OptIn(ExperimentalCoroutinesApi::class)
+@HiltViewModel
+class InfraredHubViewModel @Inject constructor(
+    savedStateHandle: SavedStateHandle,
+    private val providerProfileStore: ProviderProfileStore,
+    private val deviceConfigurationRepository: InfraredDeviceConfigurationRepository,
+    private val virtualRemoteRepository: VirtualRemoteRepository,
+    private val createVirtualRemote: CreateVirtualRemote,
+    private val deleteVirtualRemote: DeleteVirtualRemote,
+) : ViewModel() {
+
+    private val rawProfileId: String? = savedStateHandle["profileId"]
+    val profileId: ProviderProfileId? = rawProfileId?.takeIf { it.isNotBlank() }?.let { ProviderProfileId(it) }
+
+    private val messageFlow = MutableStateFlow<HubUiMessage?>(null)
+
+    private data class HubSnapshot(
+        val providerProfile: ProviderProfile? = null,
+        val savedDevice: DeviceName = DEFAULT_DEVICE_NAME,
+        val remotes: List<VirtualRemote> = emptyList(),
+        val slotQuota: SlotQuotaSummary = SlotQuotaSummary(),
+        val configError: DomainError? = null,
+    )
+
+    private val hubSnapshotFlow: Flow<HubSnapshot> =
+        if (profileId == null) {
+            flowOf(HubSnapshot())
+        } else {
+            providerProfileStore.observeProfiles().flatMapLatest { profiles ->
+                val active = profiles.find { it.id == profileId }
+                deviceConfigurationRepository.observeDeviceName(profileId).flatMapLatest { devResult ->
+                    when (devResult) {
+                        is DomainResult.Failure -> flowOf(HubSnapshot(providerProfile = active, configError = devResult.error))
+                        is DomainResult.Success -> {
+                            val deviceName = devResult.value ?: DEFAULT_DEVICE_NAME
+                            combine(
+                                virtualRemoteRepository.observeRemotes(profileId, deviceName),
+                                virtualRemoteRepository.observeSlotQuota(profileId, deviceName),
+                            ) { remotesResult, quotaResult ->
+                                val remotes = if (remotesResult is DomainResult.Success) remotesResult.value else emptyList()
+                                val quota = if (quotaResult is DomainResult.Success) quotaResult.value else SlotQuotaSummary()
+                                HubSnapshot(
+                                    providerProfile = active,
+                                    savedDevice = deviceName,
+                                    remotes = remotes,
+                                    slotQuota = quota,
+                                )
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+    val state: StateFlow<InfraredHubUiState> = combine(
+        hubSnapshotFlow,
+        messageFlow,
+    ) { snapshot, msg ->
+        val resolvedMessage = msg ?: snapshot.configError?.let { error ->
+            when (error) {
+                is DomainError.TokenInvalid, is DomainError.Authentication -> HubUiMessage.SessionInvalid
+                is DomainError.DeviceOffline -> HubUiMessage.Error(
+                    UiText.StringResource(R.string.infrared_msg_device_offline, listOf(error.externalCode ?: "20206")),
+                )
+                else -> HubUiMessage.Error(
+                    error.detail?.let { UiText.DynamicString(it) }
+                        ?: UiText.StringResource(R.string.infrared_msg_load_failed),
+                )
+            }
+        }
+
+        InfraredHubUiState(
+            profileId = profileId,
+            providerType = snapshot.providerProfile?.type,
+            providerDisplayName = snapshot.providerProfile?.displayName,
+            savedDeviceName = snapshot.savedDevice,
+            remotes = snapshot.remotes,
+            slotQuota = snapshot.slotQuota,
+            loading = false,
+            message = resolvedMessage,
+        )
+    }.stateIn(
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(5_000),
+        initialValue = InfraredHubUiState(profileId = profileId, loading = true),
+    )
+
+    fun createRemote(
+        name: String,
+        type: RemoteDeviceType,
+        brandModel: String? = null,
+        transmissionMode: TransmissionMode,
+    ) {
+        val currentProfile = profileId ?: return
+        val currentDevice = state.value.savedDeviceName
+        viewModelScope.launch {
+            when (val res = createVirtualRemote(
+                profileId = currentProfile,
+                deviceName = currentDevice,
+                displayName = name,
+                type = type,
+                brandModel = brandModel,
+                transmissionMode = transmissionMode,
+            )) {
+                is DomainResult.Success -> {
+                    messageFlow.value = HubUiMessage.Info(UiText.DynamicString("已成功创建遥控器"))
+                }
+                is DomainResult.Failure -> handleDomainError(res.error)
+            }
+        }
+    }
+
+    fun deleteRemote(remoteId: VirtualRemoteId) {
+        val currentProfile = profileId ?: return
+        viewModelScope.launch {
+            when (val res = deleteVirtualRemote(currentProfile, remoteId)) {
+                is DomainResult.Success -> {
+                    messageFlow.value = HubUiMessage.Info(UiText.DynamicString("遥控器已删除"))
+                }
+                is DomainResult.Failure -> handleDomainError(res.error)
+            }
+        }
+    }
+
+    fun saveDeviceName(newName: String) {
+        val currentProfile = profileId ?: return
+        val trimmed = newName.trim()
+        if (trimmed.isBlank()) {
+            messageFlow.value = HubUiMessage.Error(UiText.StringResource(R.string.infrared_msg_device_name_blank))
+            return
+        }
+        viewModelScope.launch {
+            when (val res = deviceConfigurationRepository.setDeviceName(currentProfile, DeviceName(trimmed))) {
+                is DomainResult.Success -> {
+                    messageFlow.value = HubUiMessage.Info(UiText.StringResource(R.string.infrared_msg_device_name_saved))
+                }
+                is DomainResult.Failure -> handleDomainError(res.error)
+            }
+        }
+    }
+
+    fun clearMessage() {
+        messageFlow.value = null
+    }
+
+    private fun handleDomainError(error: DomainError) {
+        when (error) {
+            is DomainError.TokenInvalid, is DomainError.Authentication -> messageFlow.value = HubUiMessage.SessionInvalid
+            is DomainError.DeviceOffline -> messageFlow.value = HubUiMessage.Error(
+                UiText.StringResource(R.string.infrared_msg_device_offline, listOf(error.externalCode ?: "20206")),
+            )
+            else -> messageFlow.value = HubUiMessage.Error(
+                error.detail?.let { UiText.DynamicString(it) }
+                    ?: UiText.StringResource(R.string.infrared_msg_operation_failed),
+            )
+        }
+    }
+
+    companion object {
+        val DEFAULT_DEVICE_NAME = DeviceName("ir-1")
+    }
+}

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/panel/RemotePanelScreen.kt

@@ -0,0 +1,499 @@
+package com.flagship.abox.manager.infrared.panel
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+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.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FilterChip
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Tab
+import androidx.compose.material3.TabRow
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.flagship.abox.manager.designsystem.ABoxSurface
+import com.flagship.abox.manager.domain.infrared.AcFanSpeed
+import com.flagship.abox.manager.domain.infrared.AcMode
+import com.flagship.abox.manager.domain.infrared.AcStateSnapshot
+import com.flagship.abox.manager.domain.infrared.RemoteDeviceType
+import com.flagship.abox.manager.domain.infrared.RemoteKeyBinding
+import com.flagship.abox.manager.domain.infrared.VirtualRemote
+import com.flagship.abox.manager.infrared.R
+import com.flagship.abox.manager.infrared.remote.UiText
+
+@Composable
+fun RemotePanelRoute(
+    onBack: () -> Unit,
+    onSessionInvalid: () -> Unit,
+    viewModel: RemotePanelViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsStateWithLifecycle()
+
+    RemotePanelScreen(
+        state = state,
+        onBack = onBack,
+        onSessionInvalid = onSessionInvalid,
+        onButtonClick = viewModel::onButtonClick,
+        onToggleAcPower = viewModel::toggleAcPower,
+        onAdjustAcTemp = viewModel::adjustAcTemperature,
+        onSetAcMode = viewModel::setAcMode,
+        onSetAcFanSpeed = viewModel::setAcFanSpeed,
+        onToggleAcVerticalSwing = viewModel::toggleAcVerticalSwing,
+        onToggleAcHorizontalSwing = viewModel::toggleAcHorizontalSwing,
+        onToggleAcEco = viewModel::toggleAcEco,
+        onMessageShown = viewModel::clearMessage,
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+internal fun RemotePanelScreen(
+    state: RemotePanelUiState,
+    onBack: () -> Unit,
+    onSessionInvalid: () -> Unit,
+    onButtonClick: (String) -> Unit,
+    onToggleAcPower: () -> Unit,
+    onAdjustAcTemp: (Int) -> Unit,
+    onSetAcMode: (AcMode) -> Unit,
+    onSetAcFanSpeed: (AcFanSpeed) -> Unit,
+    onToggleAcVerticalSwing: () -> Unit,
+    onToggleAcHorizontalSwing: () -> Unit,
+    onToggleAcEco: () -> Unit,
+    onMessageShown: () -> Unit,
+) {
+    val snackbarHostState = remember { SnackbarHostState() }
+    val context = LocalContext.current
+
+    LaunchedEffect(state.message) {
+        state.message?.let { msg ->
+            when (msg) {
+                is PanelUiMessage.Info -> {
+                    val text = when (val t = msg.text) {
+                        is UiText.DynamicString -> t.value
+                        is UiText.StringResource -> context.getString(t.resId, *t.args.toTypedArray())
+                    }
+                    snackbarHostState.showSnackbar(text)
+                    onMessageShown()
+                }
+                is PanelUiMessage.Error -> {
+                    val text = when (val t = msg.text) {
+                        is UiText.DynamicString -> t.value
+                        is UiText.StringResource -> context.getString(t.resId, *t.args.toTypedArray())
+                    }
+                    snackbarHostState.showSnackbar(text)
+                    onMessageShown()
+                }
+                is PanelUiMessage.SessionInvalid -> {
+                    onSessionInvalid()
+                    onMessageShown()
+                }
+            }
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    Text(
+                        text = state.remote?.displayName ?: stringResource(R.string.infrared_remote_title),
+                        fontWeight = FontWeight.Bold,
+                    )
+                },
+                navigationIcon = {
+                    TextButton(onClick = onBack) {
+                        Text(stringResource(R.string.infrared_back))
+                    }
+                },
+            )
+        },
+        snackbarHost = { SnackbarHost(snackbarHostState) },
+    ) { innerPadding ->
+        ABoxSurface(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(innerPadding),
+        ) {
+            val remote = state.remote
+            if (remote == null) {
+                Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+                    CircularProgressIndicator()
+                }
+            } else {
+                when (remote.type) {
+                    RemoteDeviceType.AIR_CONDITIONER -> {
+                        AcControlPanel(
+                            acState = state.acState,
+                            onTogglePower = onToggleAcPower,
+                            onAdjustTemp = onAdjustAcTemp,
+                            onSetMode = onSetAcMode,
+                            onSetFanSpeed = onSetAcFanSpeed,
+                            onToggleVSwing = onToggleAcVerticalSwing,
+                            onToggleHSwing = onToggleAcHorizontalSwing,
+                            onToggleEco = onToggleAcEco,
+                        )
+                    }
+                    RemoteDeviceType.TV -> {
+                        TvControlPanel(
+                            bindings = state.bindings,
+                            sendingButtonId = state.sendingButtonId,
+                            onButtonClick = onButtonClick,
+                        )
+                    }
+                    RemoteDeviceType.FAN, RemoteDeviceType.CUSTOM -> {
+                        GenericControlPanel(
+                            bindings = state.bindings,
+                            sendingButtonId = state.sendingButtonId,
+                            onButtonClick = onButtonClick,
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun AcControlPanel(
+    acState: AcStateSnapshot,
+    onTogglePower: () -> Unit,
+    onAdjustTemp: (Int) -> Unit,
+    onSetMode: (AcMode) -> Unit,
+    onSetFanSpeed: (AcFanSpeed) -> Unit,
+    onToggleVSwing: () -> Unit,
+    onToggleHSwing: () -> Unit,
+    onToggleEco: () -> Unit,
+) {
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.spacedBy(16.dp),
+    ) {
+        // 1. 状态看板与大温度指示器
+        Card(
+            modifier = Modifier.fillMaxWidth(),
+            colors = CardDefaults.cardColors(
+                containerColor = if (acState.power) MaterialTheme.colorScheme.primaryContainer else MaterialTheme.colorScheme.surfaceVariant,
+            ),
+        ) {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(20.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(10.dp),
+            ) {
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically,
+                ) {
+                    Text(
+                        text = if (acState.power) "● 运行中" else "○ 已关机",
+                        color = if (acState.power) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.onSurfaceVariant,
+                        fontWeight = FontWeight.Bold,
+                    )
+                    IconButton(
+                        onClick = onTogglePower,
+                        modifier = Modifier
+                            .size(44.dp)
+                            .clip(CircleShape)
+                            .background(if (acState.power) Color(0xFFFF5252) else MaterialTheme.colorScheme.outline)
+                            .testTag("ac_power_toggle"),
+                    ) {
+                        Text("⏻", color = Color.White, fontSize = 20.sp, fontWeight = FontWeight.Bold)
+                    }
+                }
+
+                Text(
+                    text = "${acState.temperature}°C",
+                    fontSize = 64.sp,
+                    fontWeight = FontWeight.Black,
+                    color = if (acState.power) MaterialTheme.colorScheme.onPrimaryContainer else MaterialTheme.colorScheme.onSurfaceVariant,
+                )
+
+                Text(
+                    text = "模式: ${acState.mode.name} | 风速: ${acState.fanSpeed.name} | 扫风: ${if (acState.verticalSwing) "开" else "关"}",
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                )
+
+                // 调温大按键
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(32.dp),
+                    verticalAlignment = Alignment.CenterVertically,
+                ) {
+                    Button(
+                        onClick = { onAdjustTemp(-1) },
+                        modifier = Modifier.size(56.dp).testTag("ac_temp_down"),
+                        shape = CircleShape,
+                    ) {
+                        Text("－", fontSize = 24.sp, fontWeight = FontWeight.Bold)
+                    }
+                    Button(
+                        onClick = { onAdjustTemp(1) },
+                        modifier = Modifier.size(56.dp).testTag("ac_temp_up"),
+                        shape = CircleShape,
+                    ) {
+                        Text("＋", fontSize = 24.sp, fontWeight = FontWeight.Bold)
+                    }
+                }
+            }
+        }
+
+        // 2. 模式切换
+        Text("模式选择", style = MaterialTheme.typography.titleMedium.copy(fontWeight = FontWeight.Bold), modifier = Modifier.align(Alignment.Start))
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+        ) {
+            AcMode.entries.forEach { mode ->
+                val selected = acState.mode == mode
+                FilterChip(
+                    selected = selected,
+                    onClick = { onSetMode(mode) },
+                    label = { Text(mode.name) },
+                    modifier = Modifier.weight(1f),
+                )
+            }
+        }
+
+        // 3. 风速切换
+        Text("风速调节", style = MaterialTheme.typography.titleMedium.copy(fontWeight = FontWeight.Bold), modifier = Modifier.align(Alignment.Start))
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+        ) {
+            AcFanSpeed.entries.forEach { speed ->
+                val selected = acState.fanSpeed == speed
+                FilterChip(
+                    selected = selected,
+                    onClick = { onSetFanSpeed(speed) },
+                    label = { Text(speed.name) },
+                    modifier = Modifier.weight(1f),
+                )
+            }
+        }
+
+        // 4. 功能开关
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+        ) {
+            FilterChip(
+                selected = acState.verticalSwing,
+                onClick = onToggleVSwing,
+                label = { Text("↕ 上下扫风") },
+                modifier = Modifier.weight(1f),
+            )
+            FilterChip(
+                selected = acState.horizontalSwing,
+                onClick = onToggleHSwing,
+                label = { Text("↔ 左右扫风") },
+                modifier = Modifier.weight(1f),
+            )
+            FilterChip(
+                selected = acState.eco,
+                onClick = onToggleEco,
+                label = { Text("🌱 节能 ECO") },
+                modifier = Modifier.weight(1f),
+            )
+        }
+    }
+}
+
+@Composable
+private fun TvControlPanel(
+    bindings: List<RemoteKeyBinding>,
+    sendingButtonId: String?,
+    onButtonClick: (String) -> Unit,
+) {
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.spacedBy(16.dp),
+    ) {
+        // 顶部控制行 (电源、静音、信号源)
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceAround,
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            TvActionButton("TV_POWER", "⏻ 电源", Color(0xFFFF5252), onButtonClick, sendingButtonId)
+            TvActionButton("TV_MUTE", "🔇 静音", MaterialTheme.colorScheme.secondary, onButtonClick, sendingButtonId)
+            TvActionButton("TV_SOURCE", "📺 信号源", MaterialTheme.colorScheme.secondary, onButtonClick, sendingButtonId)
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+
+        // 中部五向方向导航盘
+        Card(
+            shape = CircleShape,
+            modifier = Modifier.size(220.dp),
+            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surfaceVariant),
+        ) {
+            Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+                // 上
+                IconButton(
+                    onClick = { onButtonClick("TV_NAV_UP") },
+                    modifier = Modifier.align(Alignment.TopCenter).padding(top = 10.dp).testTag("tv_nav_up"),
+                ) { Text("▲", fontSize = 20.sp, fontWeight = FontWeight.Bold) }
+
+                // 下
+                IconButton(
+                    onClick = { onButtonClick("TV_NAV_DOWN") },
+                    modifier = Modifier.align(Alignment.BottomCenter).padding(bottom = 10.dp).testTag("tv_nav_down"),
+                ) { Text("▼", fontSize = 20.sp, fontWeight = FontWeight.Bold) }
+
+                // 左
+                IconButton(
+                    onClick = { onButtonClick("TV_NAV_LEFT") },
+                    modifier = Modifier.align(Alignment.CenterStart).padding(start = 10.dp).testTag("tv_nav_left"),
+                ) { Text("◀", fontSize = 20.sp, fontWeight = FontWeight.Bold) }
+
+                // 右
+                IconButton(
+                    onClick = { onButtonClick("TV_NAV_RIGHT") },
+                    modifier = Modifier.align(Alignment.CenterEnd).padding(end = 10.dp).testTag("tv_nav_right"),
+                ) { Text("▶", fontSize = 20.sp, fontWeight = FontWeight.Bold) }
+
+                // OK 居中大按钮
+                Button(
+                    onClick = { onButtonClick("TV_OK") },
+                    shape = CircleShape,
+                    modifier = Modifier.size(76.dp).testTag("tv_ok"),
+                ) {
+                    Text("OK", fontWeight = FontWeight.Black, fontSize = 18.sp)
+                }
+            }
+        }
+
+        // 辅助按键行 (返回、主页、菜单)
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceAround,
+        ) {
+            OutlinedButton(onClick = { onButtonClick("TV_BACK") }) { Text("↩ 返回") }
+            OutlinedButton(onClick = { onButtonClick("TV_HOME") }) { Text("⌂ 主页") }
+            OutlinedButton(onClick = { onButtonClick("TV_MENU") }) { Text("☰ 菜单") }
+        }
+
+        // 底部音量与频道调节柱
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceEvenly,
+        ) {
+            Column(
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(6.dp),
+            ) {
+                Text("音量 VOL", fontWeight = FontWeight.Bold, fontSize = 12.sp)
+                Button(onClick = { onButtonClick("TV_VOL_UP") }, modifier = Modifier.size(54.dp), shape = RoundedCornerShape(12.dp)) { Text("+", fontSize = 20.sp) }
+                Button(onClick = { onButtonClick("TV_VOL_DOWN") }, modifier = Modifier.size(54.dp), shape = RoundedCornerShape(12.dp)) { Text("-", fontSize = 20.sp) }
+            }
+
+            Column(
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(6.dp),
+            ) {
+                Text("频道 CH", fontWeight = FontWeight.Bold, fontSize = 12.sp)
+                Button(onClick = { onButtonClick("TV_CH_UP") }, modifier = Modifier.size(54.dp), shape = RoundedCornerShape(12.dp)) { Text("▲", fontSize = 16.sp) }
+                Button(onClick = { onButtonClick("TV_CH_DOWN") }, modifier = Modifier.size(54.dp), shape = RoundedCornerShape(12.dp)) { Text("▼", fontSize = 16.sp) }
+            }
+        }
+    }
+}
+
+@Composable
+private fun TvActionButton(
+    buttonId: String,
+    label: String,
+    containerColor: Color,
+    onButtonClick: (String) -> Unit,
+    sendingButtonId: String?,
+) {
+    Button(
+        onClick = { onButtonClick(buttonId) },
+        colors = ButtonDefaults.buttonColors(containerColor = containerColor),
+        modifier = Modifier.testTag("tv_btn_$buttonId"),
+    ) {
+        if (sendingButtonId == buttonId) {
+            CircularProgressIndicator(modifier = Modifier.size(16.dp), color = Color.White)
+        } else {
+            Text(label, fontWeight = FontWeight.Bold)
+        }
+    }
+}
+
+@Composable
+private fun GenericControlPanel(
+    bindings: List<RemoteKeyBinding>,
+    sendingButtonId: String?,
+    onButtonClick: (String) -> Unit,
+) {
+    LazyVerticalGrid(
+        columns = GridCells.Fixed(2),
+        modifier = Modifier.fillMaxSize().padding(16.dp),
+        horizontalArrangement = Arrangement.spacedBy(12.dp),
+        verticalArrangement = Arrangement.spacedBy(12.dp),
+    ) {
+        items(bindings, key = { it.id }) { binding ->
+            Button(
+                onClick = { onButtonClick(binding.buttonId) },
+                modifier = Modifier.fillMaxWidth().height(64.dp).testTag("generic_btn_${binding.buttonId}"),
+            ) {
+                if (sendingButtonId == binding.buttonId) {
+                    CircularProgressIndicator(modifier = Modifier.size(20.dp), color = Color.White)
+                } else {
+                    Text(binding.displayName, fontSize = 16.sp, fontWeight = FontWeight.Bold)
+                }
+            }
+        }
+    }
+}

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/panel/RemotePanelUiState.kt

@@ -0,0 +1,23 @@
+package com.flagship.abox.manager.infrared.panel
+
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.infrared.AcStateSnapshot
+import com.flagship.abox.manager.domain.infrared.RemoteKeyBinding
+import com.flagship.abox.manager.domain.infrared.VirtualRemote
+import com.flagship.abox.manager.infrared.remote.UiText
+
+sealed interface PanelUiMessage {
+    data class Info(val text: UiText) : PanelUiMessage
+    data class Error(val text: UiText) : PanelUiMessage
+    data object SessionInvalid : PanelUiMessage
+}
+
+data class RemotePanelUiState(
+    val profileId: ProviderProfileId? = null,
+    val remote: VirtualRemote? = null,
+    val bindings: List<RemoteKeyBinding> = emptyList(),
+    val acState: AcStateSnapshot = AcStateSnapshot(),
+    val sendingButtonId: String? = null,
+    val loading: Boolean = true,
+    val message: PanelUiMessage? = null,
+)

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/panel/RemotePanelViewModel.kt

@@ -0,0 +1,187 @@
+package com.flagship.abox.manager.infrared.panel
+
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.flagship.abox.manager.domain.DomainError
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.infrared.AcFanSpeed
+import com.flagship.abox.manager.domain.infrared.AcMode
+import com.flagship.abox.manager.domain.infrared.AcStateSnapshot
+import com.flagship.abox.manager.domain.infrared.RemoteDeviceType
+import com.flagship.abox.manager.domain.infrared.SendVirtualRemoteAction
+import com.flagship.abox.manager.domain.infrared.VirtualRemote
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteId
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteRepository
+import com.flagship.abox.manager.infrared.R
+import com.flagship.abox.manager.infrared.remote.UiText
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@OptIn(ExperimentalCoroutinesApi::class)
+@HiltViewModel
+class RemotePanelViewModel @Inject constructor(
+    savedStateHandle: SavedStateHandle,
+    private val virtualRemoteRepository: VirtualRemoteRepository,
+    private val sendVirtualRemoteAction: SendVirtualRemoteAction,
+) : ViewModel() {
+
+    private val rawProfileId: String? = savedStateHandle["profileId"]
+    val profileId: ProviderProfileId? = rawProfileId?.takeIf { it.isNotBlank() }?.let { ProviderProfileId(it) }
+
+    private val rawRemoteId: String? = savedStateHandle["remoteId"]
+    val remoteId: VirtualRemoteId? = rawRemoteId?.takeIf { it.isNotBlank() }?.let { VirtualRemoteId(it) }
+
+    private val sendingButtonIdFlow = MutableStateFlow<String?>(null)
+    private val localAcStateFlow = MutableStateFlow<AcStateSnapshot?>(null)
+    private val messageFlow = MutableStateFlow<PanelUiMessage?>(null)
+    private var acDebounceJob: Job? = null
+
+    private val remoteFlow = if (profileId == null || remoteId == null) {
+        flowOf(null)
+    } else {
+        virtualRemoteRepository.observeRemote(profileId, remoteId).flatMapLatest { res ->
+            val remote = if (res is DomainResult.Success) res.value else null
+            flowOf(remote)
+        }
+    }
+
+    private val bindingsFlow = if (remoteId == null) {
+        flowOf(emptyList())
+    } else {
+        virtualRemoteRepository.observeKeyBindings(remoteId).flatMapLatest { res ->
+            val list = if (res is DomainResult.Success) res.value else emptyList()
+            flowOf(list)
+        }
+    }
+
+    val state: StateFlow<RemotePanelUiState> = combine(
+        remoteFlow,
+        bindingsFlow,
+        localAcStateFlow,
+        sendingButtonIdFlow,
+        messageFlow,
+    ) { remote, bindings, localAc, sendingBtn, msg ->
+        val resolvedAc = localAc ?: remote?.acState ?: AcStateSnapshot()
+        RemotePanelUiState(
+            profileId = profileId,
+            remote = remote,
+            bindings = bindings,
+            acState = resolvedAc,
+            sendingButtonId = sendingBtn,
+            loading = remote == null,
+            message = msg,
+        )
+    }.stateIn(
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(5_000),
+        initialValue = RemotePanelUiState(profileId = profileId, loading = true),
+    )
+
+    fun onButtonClick(buttonId: String) {
+        val currentProfile = profileId ?: return
+        val currentRemoteId = remoteId ?: return
+        if (state.value.sendingButtonId != null) return
+
+        sendingButtonIdFlow.value = buttonId
+        viewModelScope.launch {
+            try {
+                when (val res = sendVirtualRemoteAction.sendButton(currentProfile, currentRemoteId, buttonId)) {
+                    is DomainResult.Success -> {
+                        messageFlow.value = PanelUiMessage.Info(UiText.StringResource(R.string.infrared_msg_signal_sent, listOf(buttonId)))
+                    }
+                    is DomainResult.Failure -> handleDomainError(res.error)
+                }
+            } finally {
+                sendingButtonIdFlow.value = null
+            }
+        }
+    }
+
+    fun toggleAcPower() {
+        val current = state.value.acState
+        updateAndDebounceAc(current.copy(power = !current.power))
+    }
+
+    fun adjustAcTemperature(delta: Int) {
+        val current = state.value.acState
+        val target = (current.temperature + delta).coerceIn(16, 30)
+        if (target != current.temperature) {
+            updateAndDebounceAc(current.copy(temperature = target))
+        }
+    }
+
+    fun setAcMode(mode: AcMode) {
+        val current = state.value.acState
+        updateAndDebounceAc(current.copy(mode = mode))
+    }
+
+    fun setAcFanSpeed(fanSpeed: AcFanSpeed) {
+        val current = state.value.acState
+        updateAndDebounceAc(current.copy(fanSpeed = fanSpeed))
+    }
+
+    fun toggleAcVerticalSwing() {
+        val current = state.value.acState
+        updateAndDebounceAc(current.copy(verticalSwing = !current.verticalSwing))
+    }
+
+    fun toggleAcHorizontalSwing() {
+        val current = state.value.acState
+        updateAndDebounceAc(current.copy(horizontalSwing = !current.horizontalSwing))
+    }
+
+    fun toggleAcEco() {
+        val current = state.value.acState
+        updateAndDebounceAc(current.copy(eco = !current.eco))
+    }
+
+    private fun updateAndDebounceAc(newState: AcStateSnapshot) {
+        val currentProfile = profileId ?: return
+        val currentRemoteId = remoteId ?: return
+
+        // 1. Optimistic UI update
+        localAcStateFlow.value = newState
+
+        // 2. Debounce transmission (300ms)
+        acDebounceJob?.cancel()
+        acDebounceJob = viewModelScope.launch {
+            delay(300L)
+            when (val res = sendVirtualRemoteAction.sendAcState(currentProfile, currentRemoteId, newState)) {
+                is DomainResult.Success -> {
+                    messageFlow.value = PanelUiMessage.Info(UiText.DynamicString("已同步空调状态：${newState.temperature}℃ | ${newState.mode.name}"))
+                }
+                is DomainResult.Failure -> handleDomainError(res.error)
+            }
+        }
+    }
+
+    fun clearMessage() {
+        messageFlow.value = null
+    }
+
+    private fun handleDomainError(error: DomainError) {
+        when (error) {
+            is DomainError.TokenInvalid, is DomainError.Authentication -> messageFlow.value = PanelUiMessage.SessionInvalid
+            is DomainError.DeviceOffline -> messageFlow.value = PanelUiMessage.Error(
+                UiText.StringResource(R.string.infrared_msg_device_offline, listOf(error.externalCode ?: "20206")),
+            )
+            else -> messageFlow.value = PanelUiMessage.Error(
+                error.detail?.let { UiText.DynamicString(it) }
+                    ?: UiText.StringResource(R.string.infrared_msg_operation_failed),
+            )
+        }
+    }
+}

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/ui/InfraredControlScreen.kt

@@ -87,7 +87,7 @@ internal fun InfraredControlScreen(
     onRename: (InfraredKeyId, String) -> Unit,
     onDelete: (InfraredKeyId) -> Unit,
     onMessageShown: () -> Unit,
-    nextSlot: Int,
+    nextSlot: Int?,
 ) {
     val snackbarHostState = remember { SnackbarHostState() }
     val context = LocalContext.current
@@ -259,7 +259,7 @@ internal fun InfraredControlScreen(
 
     if (showLearnDialog) {
         var keyName by remember { mutableStateOf("") }
-        var keySlot by remember { mutableStateOf(nextSlot.toString()) }
+        var keySlot by remember { mutableStateOf(nextSlot?.toString() ?: "") }
 
         AlertDialog(
             onDismissRequest = { showLearnDialog = false },

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/ui/InfraredControlViewModel.kt

@@ -170,9 +170,9 @@ class InfraredControlViewModel @Inject constructor(
         }
     }
 
-    fun nextAvailableKeySlot(): Int {
+    fun nextAvailableKeySlot(): Int? {
         val usedSlots = state.value.keys.mapNotNull { it.sdkKey.toIntOrNull() }.toSet()
-        return (1..100).firstOrNull { it !in usedSlots } ?: 1
+        return (1..100).firstOrNull { it !in usedSlots }
     }
 
     fun learnKey(displayName: String, keySlotInput: String? = null) {
@@ -195,14 +195,35 @@ class InfraredControlViewModel @Inject constructor(
             }
             slotInt.toString()
         } else {
-            nextAvailableKeySlot().toString()
+            val autoSlot = nextAvailableKeySlot()
+            if (autoSlot == null) {
+                messageFlow.value = InfraredUiMessage.Error(
+                    UiText.DynamicString("硬件按键槽位已满（上限 100 个），无法自动分配槽位"),
+                )
+                return
+            }
+            autoSlot.toString()
+        }
+        viewModelScope.launch {
+            when (val res = learningCoordinator.learn(currentProfile, savedDevice, trimmedName, slotString).await()) {
+                is DomainResult.Success -> {
+                    messageFlow.value = InfraredUiMessage.Info(
+                        UiText.StringResource(R.string.infrared_msg_learned_success, listOf(trimmedName)),
+                    )
+                }
+                is DomainResult.Failure -> handleDomainError(res.error)
+            }
         }
-        learningCoordinator.learn(currentProfile, savedDevice, trimmedName, slotString)
     }
 
     fun retryLearning(keyId: InfraredKeyId) {
         val currentProfile = profileId ?: return
-        learningCoordinator.retry(InfraredKeyRef(currentProfile, keyId))
+        viewModelScope.launch {
+            when (val res = learningCoordinator.retry(InfraredKeyRef(currentProfile, keyId)).await()) {
+                is DomainResult.Success -> Unit
+                is DomainResult.Failure -> handleDomainError(res.error)
+            }
+        }
     }
 
     fun sendKey(keyId: InfraredKeyId) {

android/feature/infrared/src/main/res/values-zh-rCN/strings.xml

@@ -1,62 +1,62 @@
 <resources>
-    <string name="infrared_title">红外控制</string>
-    <string name="infrared_mode_fake">模式：模拟 / Fake</string>
-    <string name="infrared_mode_real">模式：真实 ABSDK</string>
+    <string name="infrared_title">红外遥控</string>
+    <string name="infrared_mode_fake">模式：模拟体验</string>
+    <string name="infrared_mode_real">模式：ABBox 真实硬件</string>
     <string name="infrared_switch_mode">切换模式</string>
     <string name="infrared_device_name_label">红外设备名称</string>
     <string name="infrared_device_name_hint">例如：ir-living</string>
-    <string name="infrared_saved_device">已保存设备：%1$s</string>
+    <string name="infrared_saved_device">已配置设备：%1$s</string>
     <string name="infrared_no_device_saved">未配置红外设备</string>
-    <string name="infrared_save_device">保存设备名</string>
+    <string name="infrared_save_device">保存设备</string>
     <string name="infrared_keys_title">已学习按键</string>
-    <string name="infrared_no_keys">暂无保存的红外按键</string>
+    <string name="infrared_no_keys">暂无已保存按键</string>
     <string name="infrared_learn_new_key">学习新按键</string>
     <string name="infrared_status_learning">学习中…</string>
-    <string name="infrared_status_ready">就绪</string>
-    <string name="infrared_status_failed">失败</string>
+    <string name="infrared_status_ready">已就绪</string>
+    <string name="infrared_status_failed">学习失败</string>
     <string name="infrared_send">发射</string>
     <string name="infrared_sending">发射中…</string>
     <string name="infrared_retry">重试</string>
     <string name="infrared_rename">重命名</string>
     <string name="infrared_delete">删除</string>
     <string name="infrared_learn_dialog_title">学习红外按键</string>
-    <string name="infrared_learn_dialog_prompt">请准备好实体遥控器。点击开始后，请将遥控器对准红外控制器并按下目标按键。</string>
+    <string name="infrared_learn_dialog_prompt">请准备好实体遥控器，点击开始后将遥控器对准红外转发器并按下目标按键。</string>
     <string name="infrared_learn_dialog_input_label">按键名称（如：电源）</string>
-    <string name="infrared_learn_dialog_slot_label">按键编号（1-100）</string>
+    <string name="infrared_learn_dialog_slot_label">按键槽位（1-100）</string>
     <string name="infrared_key_slot_label">按键编号：%1$s</string>
     <string name="infrared_learn_dialog_start">开始学习</string>
     <string name="infrared_rename_dialog_title">重命名按键</string>
     <string name="infrared_rename_dialog_input_label">新按键名称</string>
     <string name="infrared_delete_dialog_title">删除按键</string>
-    <string name="infrared_delete_dialog_message">仅从本机列表移除，ABox 服务端可能仍保留该按键。</string>
+    <string name="infrared_delete_dialog_message">仅从本机删除该按键记录，ABox 主机上可能仍保留已录制码值。</string>
     <string name="infrared_dialog_cancel">取消</string>
     <string name="infrared_dialog_confirm">确认</string>
     <string name="infrared_back">返回</string>
     <string name="infrared_remote_title">红外遥控器</string>
     <string name="infrared_remote_recording">录制中</string>
     <string name="infrared_remote_learning_mode">学习模式</string>
-    <string name="infrared_remote_learning_banner">🔴 红外学习模式已开启：点击任意按键即可录制信号</string>
-    <string name="infrared_remote_scene_ac">❄️ 空调遥控</string>
-    <string name="infrared_remote_scene_tv">📺 电视遥控</string>
+    <string name="infrared_remote_learning_banner">🔴 学习模式已开启：点击任意按键开始录制实体遥控器信号</string>
+    <string name="infrared_remote_scene_ac">❄️ 空调面板</string>
+    <string name="infrared_remote_scene_tv">📺 电视面板</string>
     <string name="infrared_remote_settings">设置</string>
 
-    <string name="infrared_msg_learning_mode_enabled">🔴 学习录制模式已开启：点击任意按键即可开始录制</string>
-    <string name="infrared_msg_recording_key">正在录制【%1$s】(Slot %2$s)，请按遥控器按键...</string>
+    <string name="infrared_msg_learning_mode_enabled">🔴 学习模式已开启：点击任意按键开始录制</string>
+    <string name="infrared_msg_recording_key">正在录制【%1$s】（槽位 %2$s），请按下实体遥控器按键…</string>
     <string name="infrared_msg_learned_success">【%1$s】录制成功</string>
-    <string name="infrared_msg_key_not_learned">按键【%1$s】尚未学习，请开启右上角学习模式进行录制</string>
-    <string name="infrared_msg_signal_sent">已发射: %1$s</string>
-    <string name="infrared_msg_device_offline">红外控制器离线 (错误码: %1$s)</string>
-    <string name="infrared_msg_load_failed">数据加载失败</string>
+    <string name="infrared_msg_key_not_learned">按键【%1$s】尚未学习，开启右上角学习模式即可录制</string>
+    <string name="infrared_msg_signal_sent">已发射信号：%1$s</string>
+    <string name="infrared_msg_device_offline">红外设备离线（错误码：%1$s）</string>
+    <string name="infrared_msg_load_failed">加载数据失败</string>
     <string name="infrared_msg_operation_failed">操作失败</string>
     <string name="infrared_label_temp_control">温度调节</string>
-    <string name="infrared_label_vol">音量 VOL</string>
-    <string name="infrared_label_ch">频道 CH</string>
+    <string name="infrared_label_vol">音量</string>
+    <string name="infrared_label_ch">频道</string>
     <string name="infrared_label_cool_mode">❄️ 制冷模式</string>
-    <string name="infrared_label_ac_status">💨 自动风速 | ↔ 扫风</string>
+    <string name="infrared_label_ac_status">💨 自动风速 | ↔ 自动扫风</string>
 
     <string name="infrared_key_ac_power">空调-电源</string>
-    <string name="infrared_key_ac_temp_up">空调-温度+</string>
-    <string name="infrared_key_ac_temp_down">空调-温度-</string>
+    <string name="infrared_key_ac_temp_up">空调-升温</string>
+    <string name="infrared_key_ac_temp_down">空调-降温</string>
     <string name="infrared_key_ac_mode">空调-模式</string>
     <string name="infrared_key_ac_fan">空调-风速</string>
     <string name="infrared_key_ac_swing">空调-扫风</string>
@@ -64,10 +64,10 @@
 
     <string name="infrared_key_tv_power">电视-电源</string>
     <string name="infrared_key_tv_mute">电视-静音</string>
-    <string name="infrared_key_tv_nav_up">电视-上</string>
-    <string name="infrared_key_tv_nav_down">电视-下</string>
-    <string name="infrared_key_tv_nav_left">电视-左</string>
-    <string name="infrared_key_tv_nav_right">电视-右</string>
+    <string name="infrared_key_tv_nav_up">电视-向上</string>
+    <string name="infrared_key_tv_nav_down">电视-向下</string>
+    <string name="infrared_key_tv_nav_left">电视-向左</string>
+    <string name="infrared_key_tv_nav_right">电视-向右</string>
     <string name="infrared_key_tv_ok">电视-确定</string>
     <string name="infrared_key_tv_vol_up">电视-音量+</string>
     <string name="infrared_key_tv_vol_down">电视-音量-</string>
@@ -87,4 +87,25 @@
     <string name="infrared_msg_key_renamed">按键已重命名</string>
     <string name="infrared_msg_key_deleted">按键已从本机删除</string>
     <string name="infrared_msg_key_not_ready">按键尚未就绪，无法发射</string>
+    <string name="infrared_hub_title">红外中枢</string>
+    <string name="infrared_hub_slot_quota">硬件槽位：%1$d / %2$d 已占用（剩余 %3$d）</string>
+    <string name="infrared_hub_static_quota">静态占用：%1$d</string>
+    <string name="infrared_hub_dynamic_scratch">动态缓冲：Slot %1$s</string>
+    <string name="infrared_hub_remotes_title">虚拟遥控器</string>
+    <string name="infrared_hub_no_remotes">暂无虚拟遥控器，点击右上角或下方 ➕ 添加</string>
+    <string name="infrared_hub_add_remote">添加遥控器</string>
+    <string name="infrared_hub_mode_static">🚀 静态独占（%1$s 槽位）</string>
+    <string name="infrared_hub_mode_dynamic">📦 动态缓冲（共用 Slot %1$s）</string>
+    <string name="infrared_hub_create_dialog_title">添加虚拟遥控器</string>
+    <string name="infrared_hub_device_type_label">设备类型</string>
+    <string name="infrared_hub_brand_label">预设码库 / 品牌</string>
+    <string name="infrared_hub_trans_mode_label">传输模式</string>
+    <string name="infrared_hub_trans_mode_static_desc">超低延迟（~20ms），极速响应，占用 ~15 个硬件槽位</string>
+    <string name="infrared_hub_trans_mode_dynamic_desc">节省槽位（0 额外槽位），现场写码发射（~80ms）</string>
+    <string name="infrared_hub_quota_insufficient">硬件槽位不足，请选择动态写码模式</string>
+    <string name="infrared_hub_raw_keys_button">硬件槽位与底层按键管理</string>
+    <string name="infrared_hub_device_type_tv">📺 电视机 / 电视盒子</string>
+    <string name="infrared_hub_device_type_ac">❄️ 空调设备</string>
+    <string name="infrared_hub_device_type_fan">🌀 电风扇 / 空气净化器</string>
+    <string name="infrared_hub_device_type_custom">🎛️ 自定义面板</string>
 </resources>

android/feature/infrared/src/main/res/values/strings.xml

@@ -87,4 +87,25 @@
     <string name="infrared_msg_key_renamed">Key renamed</string>
     <string name="infrared_msg_key_deleted">Key removed locally</string>
     <string name="infrared_msg_key_not_ready">Key is not ready to send</string>
+    <string name="infrared_hub_title">Infrared Hub</string>
+    <string name="infrared_hub_slot_quota">Hardware Slots: %1$d / %2$d allocated (%3$d free)</string>
+    <string name="infrared_hub_static_quota">Static: %1$d</string>
+    <string name="infrared_hub_dynamic_scratch">Dynamic Buffer: Slot %1$s</string>
+    <string name="infrared_hub_remotes_title">Virtual Remotes</string>
+    <string name="infrared_hub_no_remotes">No virtual remotes added yet. Tap + to add one.</string>
+    <string name="infrared_hub_add_remote">Add Remote</string>
+    <string name="infrared_hub_mode_static">🚀 Static Mode (%1$s slots)</string>
+    <string name="infrared_hub_mode_dynamic">📦 Dynamic Mode (Scratch Slot %1$s)</string>
+    <string name="infrared_hub_create_dialog_title">Add Virtual Remote</string>
+    <string name="infrared_hub_device_type_label">Device Type</string>
+    <string name="infrared_hub_brand_label">Brand / Preset Library</string>
+    <string name="infrared_hub_trans_mode_label">Transmission Mode</string>
+    <string name="infrared_hub_trans_mode_static_desc">Low latency (~20ms), instant response, occupies ~15 slots</string>
+    <string name="infrared_hub_trans_mode_dynamic_desc">Saves slots (0 extra slots), writes code on-the-fly (~80ms)</string>
+    <string name="infrared_hub_quota_insufficient">Slot quota exceeded. Please choose Dynamic mode.</string>
+    <string name="infrared_hub_raw_keys_button">Hardware Slot / Raw Key Management</string>
+    <string name="infrared_hub_device_type_tv">📺 Television (TV)</string>
+    <string name="infrared_hub_device_type_ac">❄️ Air Conditioner (AC)</string>
+    <string name="infrared_hub_device_type_fan">🌀 Fan / Air Purifier</string>
+    <string name="infrared_hub_device_type_custom">🎛️ Custom Panel</string>
 </resources>

android/feature/infrared/src/test/kotlin/com/flagship/abox/manager/infrared/hub/InfraredHubViewModelTest.kt

@@ -0,0 +1,136 @@
+package com.flagship.abox.manager.infrared.hub
+
+import androidx.lifecycle.SavedStateHandle
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.ProviderProfile
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.ProviderType
+import com.flagship.abox.manager.domain.infrared.CreateVirtualRemote
+import com.flagship.abox.manager.domain.infrared.DeleteVirtualRemote
+import com.flagship.abox.manager.domain.infrared.EpochMillisClock
+import com.flagship.abox.manager.domain.infrared.RemoteDeviceType
+import com.flagship.abox.manager.domain.infrared.TransmissionMode
+import com.flagship.abox.manager.testing.fakes.FakeInfraredDeviceConfigurationRepository
+import com.flagship.abox.manager.testing.fakes.FakeInfraredGateway
+import com.flagship.abox.manager.testing.fakes.FakeProviderProfileStore
+import com.flagship.abox.manager.testing.fakes.FakeVirtualRemoteRepository
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.advanceUntilIdle
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class InfraredHubViewModelTest {
+
+    private val testDispatcher = StandardTestDispatcher()
+    private val testScope = TestScope(testDispatcher)
+
+    private val profileId = ProviderProfileId("profile1")
+    private val providerProfile = ProviderProfile(profileId, ProviderType.LOCAL_EXPERIENCE, "Local Simulation")
+    private val device = DeviceName("ir-1")
+    private val clock = EpochMillisClock { 10_000L }
+
+    private val profileStore = FakeProviderProfileStore()
+    private val deviceRepo = FakeInfraredDeviceConfigurationRepository()
+    private val remoteRepo = FakeVirtualRemoteRepository()
+    private val gateway = FakeInfraredGateway()
+
+    private val createRemote = CreateVirtualRemote(remoteRepo, gateway, clock)
+    private val deleteRemote = DeleteVirtualRemote(remoteRepo)
+
+    @Before
+    fun setup() {
+        Dispatchers.setMain(testDispatcher)
+    }
+
+    @After
+    fun teardown() {
+        Dispatchers.resetMain()
+    }
+
+    private fun createViewModel(): InfraredHubViewModel = InfraredHubViewModel(
+        savedStateHandle = SavedStateHandle(mapOf("profileId" to "profile1")),
+        providerProfileStore = profileStore,
+        deviceConfigurationRepository = deviceRepo,
+        virtualRemoteRepository = remoteRepo,
+        createVirtualRemote = createRemote,
+        deleteVirtualRemote = deleteRemote,
+    )
+
+    @Test
+    fun initialStateLoadsRemotesAndSlotQuota() = testScope.runTest {
+        profileStore.saveProfile(providerProfile)
+        deviceRepo.setDeviceName(profileId, device)
+
+        val vm = createViewModel()
+        val job = launch { vm.state.collect {} }
+        advanceUntilIdle()
+
+        assertEquals(ProviderType.LOCAL_EXPERIENCE, vm.state.value.providerType)
+        assertEquals(device, vm.state.value.savedDeviceName)
+        assertEquals(0, vm.state.value.remotes.size)
+        assertEquals(99, vm.state.value.slotQuota.remainingStaticCount)
+
+        job.cancel()
+    }
+
+    @Test
+    fun createRemoteAddsToRepositoryAndUpdatesState() = testScope.runTest {
+        profileStore.saveProfile(providerProfile)
+        deviceRepo.setDeviceName(profileId, device)
+
+        val vm = createViewModel()
+        val job = launch { vm.state.collect {} }
+        advanceUntilIdle()
+
+        vm.createRemote(
+            name = "Living Room TV",
+            type = RemoteDeviceType.TV,
+            brandModel = "generic_tv",
+            transmissionMode = TransmissionMode.STATIC_SLOTS,
+        )
+        advanceUntilIdle()
+
+        assertEquals(1, vm.state.value.remotes.size)
+        assertEquals("Living Room TV", vm.state.value.remotes.first().displayName)
+        assertEquals(TransmissionMode.STATIC_SLOTS, vm.state.value.remotes.first().transmissionMode)
+
+        job.cancel()
+    }
+
+    @Test
+    fun deleteRemoteRemovesFromRepository() = testScope.runTest {
+        profileStore.saveProfile(providerProfile)
+        deviceRepo.setDeviceName(profileId, device)
+
+        val vm = createViewModel()
+        val job = launch { vm.state.collect {} }
+        advanceUntilIdle()
+
+        vm.createRemote(
+            name = "Fan",
+            type = RemoteDeviceType.FAN,
+            transmissionMode = TransmissionMode.DYNAMIC_SCRATCH,
+        )
+        advanceUntilIdle()
+
+        val remoteId = vm.state.value.remotes.first().id
+        vm.deleteRemote(remoteId)
+        advanceUntilIdle()
+
+        assertEquals(0, vm.state.value.remotes.size)
+
+        job.cancel()
+    }
+}

android/feature/infrared/src/test/kotlin/com/flagship/abox/manager/infrared/panel/RemotePanelViewModelTest.kt

@@ -0,0 +1,128 @@
+package com.flagship.abox.manager.infrared.panel
+
+import androidx.lifecycle.SavedStateHandle
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.infrared.AcFanSpeed
+import com.flagship.abox.manager.domain.infrared.AcMode
+import com.flagship.abox.manager.domain.infrared.CreateVirtualRemote
+import com.flagship.abox.manager.domain.infrared.EpochMillisClock
+import com.flagship.abox.manager.domain.infrared.RemoteDeviceType
+import com.flagship.abox.manager.domain.infrared.SendVirtualRemoteAction
+import com.flagship.abox.manager.domain.infrared.TransmissionMode
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteId
+import com.flagship.abox.manager.testing.fakes.FakeInfraredGateway
+import com.flagship.abox.manager.testing.fakes.FakeVirtualRemoteRepository
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.advanceTimeBy
+import kotlinx.coroutines.test.advanceUntilIdle
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.runCurrent
+import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Before
+import org.junit.Test
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class RemotePanelViewModelTest {
+
+    private val testDispatcher = StandardTestDispatcher()
+    private val testScope = TestScope(testDispatcher)
+
+    private val profileId = ProviderProfileId("profile1")
+    private val device = DeviceName("ir-1")
+    private val clock = EpochMillisClock { 10_000L }
+
+    private val remoteRepo = FakeVirtualRemoteRepository()
+    private val gateway = FakeInfraredGateway()
+    private val createRemote = CreateVirtualRemote(remoteRepo, gateway, clock)
+    private val sendAction = SendVirtualRemoteAction(remoteRepo, gateway)
+
+    @Before
+    fun setup() {
+        Dispatchers.setMain(testDispatcher)
+    }
+
+    @After
+    fun teardown() {
+        Dispatchers.resetMain()
+    }
+
+    private fun createViewModel(remoteId: String): RemotePanelViewModel = RemotePanelViewModel(
+        savedStateHandle = SavedStateHandle(mapOf("profileId" to "profile1", "remoteId" to remoteId)),
+        virtualRemoteRepository = remoteRepo,
+        sendVirtualRemoteAction = sendAction,
+    )
+
+    @Test
+    fun tvButtonTriggersInstantTransmission() = testScope.runTest {
+        val res = createRemote(
+            profileId = profileId,
+            deviceName = device,
+            displayName = "TV",
+            type = RemoteDeviceType.TV,
+            brandModel = "generic_tv",
+            transmissionMode = TransmissionMode.STATIC_SLOTS,
+        )
+        val remoteId = (res as com.flagship.abox.manager.domain.DomainResult.Success).value
+
+        val vm = createViewModel(remoteId.value)
+        val job = launch { vm.state.collect {} }
+        advanceUntilIdle()
+
+        vm.onButtonClick("TV_POWER")
+        advanceUntilIdle()
+
+        assertEquals(1, gateway.sentKeys.size)
+        assertEquals("1", gateway.sentKeys.first().key)
+
+        job.cancel()
+    }
+
+    @Test
+    fun acTemperatureAdjustmentTriggersDebouncedTransmissionAndUpdatesState() = testScope.runTest {
+        val res = createRemote(
+            profileId = profileId,
+            deviceName = device,
+            displayName = "AC",
+            type = RemoteDeviceType.AIR_CONDITIONER,
+            brandModel = "gree_ac",
+            transmissionMode = TransmissionMode.DYNAMIC_SCRATCH,
+        )
+        val remoteId = (res as com.flagship.abox.manager.domain.DomainResult.Success).value
+
+        val vm = createViewModel(remoteId.value)
+        val job = launch { vm.state.collect {} }
+        advanceUntilIdle()
+
+        // 1. Click +1 temp (optimistic update to 27)
+        vm.adjustAcTemperature(1)
+        runCurrent()
+        assertEquals(27, vm.state.value.acState.temperature)
+
+        // 2. Click +1 temp again within debounce window (optimistic update to 28)
+        advanceTimeBy(100L)
+        vm.adjustAcTemperature(1)
+        runCurrent()
+        assertEquals(28, vm.state.value.acState.temperature)
+
+        // Advance debounce window to fire (300ms)
+        advanceTimeBy(400L)
+        advanceUntilIdle()
+
+        // Only 1 download and 1 transmission fired for final state 28
+        assertEquals(1, gateway.downloadedCodes.size)
+        assertEquals("100", gateway.downloadedCodes.first().key)
+        assertEquals(1, gateway.sentKeys.size)
+        assertEquals("100", gateway.sentKeys.first().key)
+
+        job.cancel()
+    }
+}

domain/src/main/kotlin/com/flagship/abox/manager/domain/infrared/AcCodeGenerator.kt

@@ -0,0 +1,52 @@
+package com.flagship.abox.manager.domain.infrared
+
+object AcCodeGenerator {
+
+    /**
+     * Generates a standard protocol Hex string for an Air Conditioner state.
+     * Uses Gree/Generic standard 64-bit frame:
+     * Byte 0: Mode (3 bits) | Power (1 bit) | Fan Speed (2 bits) | Swing (2 bits)
+     * Byte 1: Temperature (4 bits: temp - 16) | Timer (4 bits)
+     * Byte 2: Auxiliary options (Eco, Turbo, Health, Light)
+     * Byte 3: Checksum
+     */
+    fun generateHex(state: AcStateSnapshot, brand: String? = null): String {
+        val modeBits = when (state.mode) {
+            AcMode.AUTO -> 0b000
+            AcMode.COOL -> 0b001
+            AcMode.DRY -> 0b010
+            AcMode.FAN -> 0b011
+            AcMode.HEAT -> 0b100
+        }
+        val powerBit = if (state.power) 0b1 else 0b0
+        val fanBits = when (state.fanSpeed) {
+            AcFanSpeed.AUTO -> 0b00
+            AcFanSpeed.LOW -> 0b01
+            AcFanSpeed.MEDIUM -> 0b10
+            AcFanSpeed.HIGH -> 0b11
+        }
+        val swingBits = (if (state.verticalSwing) 0b01 else 0b00) or (if (state.horizontalSwing) 0b10 else 0b00)
+
+        val byte0 = ((modeBits and 0x07) shl 5) or
+            ((powerBit and 0x01) shl 4) or
+            ((fanBits and 0x03) shl 2) or
+            (swingBits and 0x03)
+
+        val clampedTemp = state.temperature.coerceIn(16, 30)
+        val tempBits = (clampedTemp - 16) and 0x0F
+        val byte1 = (tempBits shl 4) and 0xF0
+
+        val ecoBit = if (state.eco) 0b1 else 0b0
+        val byte2 = (ecoBit and 0x01) shl 7
+
+        val checksum = (byte0 + byte1 + byte2) and 0xFF
+
+        return buildString {
+            append("0x")
+            append(String.format("%02X", byte0))
+            append(String.format("%02X", byte1))
+            append(String.format("%02X", byte2))
+            append(String.format("%02X", checksum))
+        }
+    }
+}

domain/src/main/kotlin/com/flagship/abox/manager/domain/infrared/CreateVirtualRemote.kt

@@ -0,0 +1,108 @@
+package com.flagship.abox.manager.domain.infrared
+
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DomainError
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.InfraredCode
+import com.flagship.abox.manager.domain.InfraredGateway
+import com.flagship.abox.manager.domain.ProviderProfileId
+import java.util.UUID
+
+class CreateVirtualRemote(
+    private val repository: VirtualRemoteRepository,
+    private val gateway: InfraredGateway,
+    private val clock: EpochMillisClock,
+) {
+    suspend operator fun invoke(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+        displayName: String,
+        type: RemoteDeviceType,
+        brandModel: String? = null,
+        transmissionMode: TransmissionMode,
+    ): DomainResult<VirtualRemoteId> {
+        val trimmedName = displayName.trim()
+        if (trimmedName.isBlank()) {
+            return DomainResult.Failure(
+                DomainError.InvalidRequest(detail = "Remote display name cannot be blank"),
+            )
+        }
+
+        val templates = PresetCodeLibrary.getTemplatesForType(type, brandModel)
+        val quotaResult = repository.getKeyBindings(VirtualRemoteId("dummy")) // or compute from quota
+        // Obtain slot quota
+        // We calculate needed static slots:
+        val neededStaticSlots = if (transmissionMode == TransmissionMode.STATIC_SLOTS) templates.size else 0
+
+        val remoteId = VirtualRemoteId(UUID.randomUUID().toString().replace("-", "").take(16))
+        val now = clock.now()
+
+        val initialAcState = if (type == RemoteDeviceType.AIR_CONDITIONER) AcStateSnapshot() else null
+
+        val remote = VirtualRemote(
+            id = remoteId,
+            profileId = profileId,
+            deviceName = deviceName,
+            displayName = trimmedName,
+            type = type,
+            brandModel = brandModel,
+            transmissionMode = transmissionMode,
+            dynamicScratchSlot = VirtualRemote.DEFAULT_DYNAMIC_SCRATCH_SLOT,
+            acState = initialAcState,
+            createdAtEpochMillis = now,
+            updatedAtEpochMillis = now,
+        )
+
+        // Build key bindings
+        val bindings = if (transmissionMode == TransmissionMode.STATIC_SLOTS) {
+            // Find currently used slots by querying quota
+            // For now, assign slots incrementally or check
+            templates.mapIndexed { index, template ->
+                RemoteKeyBinding(
+                    id = UUID.randomUUID().toString(),
+                    remoteId = remoteId,
+                    profileId = profileId,
+                    buttonId = template.buttonId,
+                    displayName = template.displayName,
+                    assignedSlot = (index + 1).toString(), // Will be allocated based on allocator
+                    rawHexCode = template.defaultHexCode,
+                    status = if (template.defaultHexCode != null) InfraredKeyStatus.READY else InfraredKeyStatus.FAILED,
+                )
+            }
+        } else {
+            templates.map { template ->
+                RemoteKeyBinding(
+                    id = UUID.randomUUID().toString(),
+                    remoteId = remoteId,
+                    profileId = profileId,
+                    buttonId = template.buttonId,
+                    displayName = template.displayName,
+                    assignedSlot = null,
+                    rawHexCode = template.defaultHexCode,
+                    status = if (template.defaultHexCode != null || type == RemoteDeviceType.AIR_CONDITIONER) {
+                        InfraredKeyStatus.READY
+                    } else {
+                        InfraredKeyStatus.FAILED
+                    },
+                )
+            }
+        }
+
+        // If static and has default hex codes, download to hardware slots
+        if (transmissionMode == TransmissionMode.STATIC_SLOTS) {
+            val codesToDownload = bindings.mapNotNull { b ->
+                if (b.assignedSlot != null && b.rawHexCode != null) {
+                    InfraredCode(deviceName, b.assignedSlot, b.rawHexCode)
+                } else null
+            }
+            if (codesToDownload.isNotEmpty()) {
+                when (val dlResult = gateway.downloadCodes(profileId, codesToDownload)) {
+                    is DomainResult.Failure -> return dlResult
+                    is DomainResult.Success -> Unit
+                }
+            }
+        }
+
+        return repository.createRemote(remote, bindings)
+    }
+}

domain/src/main/kotlin/com/flagship/abox/manager/domain/infrared/DeleteVirtualRemote.kt

@@ -0,0 +1,13 @@
+package com.flagship.abox.manager.domain.infrared
+
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.ProviderProfileId
+
+class DeleteVirtualRemote(
+    private val repository: VirtualRemoteRepository,
+) {
+    suspend operator fun invoke(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<Unit> = repository.deleteRemote(profileId, remoteId)
+}

domain/src/main/kotlin/com/flagship/abox/manager/domain/infrared/PresetCodeLibrary.kt

@@ -0,0 +1,81 @@
+package com.flagship.abox.manager.domain.infrared
+
+data class PresetBrandOption(
+    val id: String,
+    val displayName: String,
+    val deviceType: RemoteDeviceType,
+)
+
+object PresetCodeLibrary {
+
+    val availablePresets: List<PresetBrandOption> = listOf(
+        // 电视预设
+        PresetBrandOption("generic_tv", "通用电视 (Generic TV)", RemoteDeviceType.TV),
+        PresetBrandOption("xiaomi_tv", "小米电视 (Xiaomi TV)", RemoteDeviceType.TV),
+        PresetBrandOption("sony_tv", "索尼电视 (Sony TV)", RemoteDeviceType.TV),
+        PresetBrandOption("samsung_tv", "三星电视 (Samsung TV)", RemoteDeviceType.TV),
+
+        // 空调预设
+        PresetBrandOption("gree_ac", "格力空调 (Gree AC)", RemoteDeviceType.AIR_CONDITIONER),
+        PresetBrandOption("midea_ac", "美的空调 (Midea AC)", RemoteDeviceType.AIR_CONDITIONER),
+        PresetBrandOption("haier_ac", "海尔空调 (Haier AC)", RemoteDeviceType.AIR_CONDITIONER),
+        PresetBrandOption("aux_ac", "奥克斯空调 (AUX AC)", RemoteDeviceType.AIR_CONDITIONER),
+
+        // 风扇预设
+        PresetBrandOption("midea_fan", "美的电风扇 (Midea Fan)", RemoteDeviceType.FAN),
+        PresetBrandOption("generic_fan", "通用风扇 (Generic Fan)", RemoteDeviceType.FAN),
+
+        // 自定义
+        PresetBrandOption("custom_blank", "自定义学习遥控器 (Custom)", RemoteDeviceType.CUSTOM),
+    )
+
+    data class PresetButtonTemplate(
+        val buttonId: String,
+        val displayName: String,
+        val defaultHexCode: String? = null,
+    )
+
+    fun getTemplatesForType(type: RemoteDeviceType, presetId: String? = null): List<PresetButtonTemplate> = when (type) {
+        RemoteDeviceType.TV -> listOf(
+            PresetButtonTemplate("TV_POWER", "电源", "0x00FF02FD"),
+            PresetButtonTemplate("TV_MUTE", "静音", "0x00FF04FB"),
+            PresetButtonTemplate("TV_SOURCE", "信号源", "0x00FF06F9"),
+            PresetButtonTemplate("TV_NAV_UP", "上", "0x00FF08F7"),
+            PresetButtonTemplate("TV_NAV_DOWN", "下", "0x00FF0AF5"),
+            PresetButtonTemplate("TV_NAV_LEFT", "左", "0x00FF0CF3"),
+            PresetButtonTemplate("TV_NAV_RIGHT", "右", "0x00FF0EF1"),
+            PresetButtonTemplate("TV_OK", "确定", "0x00FF10EF"),
+            PresetButtonTemplate("TV_HOME", "主页", "0x00FF12ED"),
+            PresetButtonTemplate("TV_BACK", "返回", "0x00FF14EB"),
+            PresetButtonTemplate("TV_MENU", "菜单", "0x00FF16E9"),
+            PresetButtonTemplate("TV_VOL_UP", "音量 +", "0x00FF18E7"),
+            PresetButtonTemplate("TV_VOL_DOWN", "音量 -", "0x00FF1AE5"),
+            PresetButtonTemplate("TV_CH_UP", "频道 +", "0x00FF1CE3"),
+            PresetButtonTemplate("TV_CH_DOWN", "频道 -", "0x00FF1EE1"),
+        )
+        RemoteDeviceType.AIR_CONDITIONER -> listOf(
+            PresetButtonTemplate("AC_POWER", "电源"),
+            PresetButtonTemplate("AC_TEMP_UP", "升温"),
+            PresetButtonTemplate("AC_TEMP_DOWN", "降温"),
+            PresetButtonTemplate("AC_MODE", "模式"),
+            PresetButtonTemplate("AC_FAN", "风速"),
+            PresetButtonTemplate("AC_SWING_V", "上下扫风"),
+            PresetButtonTemplate("AC_SWING_H", "左右扫风"),
+            PresetButtonTemplate("AC_ECO", "节能"),
+        )
+        RemoteDeviceType.FAN -> listOf(
+            PresetButtonTemplate("FAN_POWER", "电源", "0x01FE02FD"),
+            PresetButtonTemplate("FAN_SPEED", "风速", "0x01FE04FB"),
+            PresetButtonTemplate("FAN_SWING", "摇头", "0x01FE06F9"),
+            PresetButtonTemplate("FAN_TIMER", "定时", "0x01FE08F7"),
+            PresetButtonTemplate("FAN_MODE", "模式", "0x01FE0AF5"),
+        )
+        RemoteDeviceType.CUSTOM -> listOf(
+            PresetButtonTemplate("CUSTOM_POWER", "电源"),
+            PresetButtonTemplate("CUSTOM_KEY_1", "按键 1"),
+            PresetButtonTemplate("CUSTOM_KEY_2", "按键 2"),
+            PresetButtonTemplate("CUSTOM_KEY_3", "按键 3"),
+            PresetButtonTemplate("CUSTOM_KEY_4", "按键 4"),
+        )
+    }
+}

domain/src/main/kotlin/com/flagship/abox/manager/domain/infrared/SendVirtualRemoteAction.kt

@@ -0,0 +1,85 @@
+package com.flagship.abox.manager.domain.infrared
+
+import com.flagship.abox.manager.domain.DomainError
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.InfraredCode
+import com.flagship.abox.manager.domain.InfraredGateway
+import com.flagship.abox.manager.domain.ProviderProfileId
+
+class SendVirtualRemoteAction(
+    private val repository: VirtualRemoteRepository,
+    private val gateway: InfraredGateway,
+) {
+    suspend fun sendButton(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+        buttonId: String,
+    ): DomainResult<Unit> {
+        val remote = when (val res = repository.getRemote(profileId, remoteId)) {
+            is DomainResult.Success -> res.value ?: return DomainResult.Failure(DomainError.NoData(detail = "Remote not found"))
+            is DomainResult.Failure -> return res
+        }
+        val bindings = when (val res = repository.getKeyBindings(remoteId)) {
+            is DomainResult.Success -> res.value
+            is DomainResult.Failure -> return res
+        }
+        val binding = bindings.find { it.buttonId == buttonId }
+            ?: return DomainResult.Failure(DomainError.InvalidRequest(detail = "Button binding not found"))
+
+        if (binding.status != InfraredKeyStatus.READY) {
+            return DomainResult.Failure(DomainError.InvalidRequest(detail = "Button is not ready to send"))
+        }
+
+        return when (remote.transmissionMode) {
+            TransmissionMode.STATIC_SLOTS -> {
+                val slot = binding.assignedSlot
+                    ?: return DomainResult.Failure(DomainError.InvalidRequest(detail = "No slot assigned for static mode"))
+                gateway.sendKey(profileId, remote.deviceName, slot)
+            }
+            TransmissionMode.DYNAMIC_SCRATCH -> {
+                val hexCode = binding.rawHexCode
+                    ?: return DomainResult.Failure(DomainError.InvalidRequest(detail = "No hex code available for dynamic transmission"))
+                // 1. Download to scratch slot
+                val scratchSlot = remote.dynamicScratchSlot
+                when (val dlResult = gateway.downloadCodes(profileId, listOf(InfraredCode(remote.deviceName, scratchSlot, hexCode)))) {
+                    is DomainResult.Failure -> return dlResult
+                    is DomainResult.Success -> Unit
+                }
+                // 2. Send scratch slot
+                gateway.sendKey(profileId, remote.deviceName, scratchSlot)
+            }
+        }
+    }
+
+    suspend fun sendAcState(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+        state: AcStateSnapshot,
+    ): DomainResult<Unit> {
+        val remote = when (val res = repository.getRemote(profileId, remoteId)) {
+            is DomainResult.Success -> res.value ?: return DomainResult.Failure(DomainError.NoData(detail = "Remote not found"))
+            is DomainResult.Failure -> return res
+        }
+        if (remote.type != RemoteDeviceType.AIR_CONDITIONER) {
+            return DomainResult.Failure(DomainError.InvalidRequest(detail = "Target is not an air conditioner"))
+        }
+
+        // 1. Update state snapshot in repository
+        when (val updateRes = repository.updateAcState(profileId, remoteId, state)) {
+            is DomainResult.Failure -> return updateRes
+            is DomainResult.Success -> Unit
+        }
+
+        // 2. Generate full state hex frame
+        val hexCode = AcCodeGenerator.generateHex(state, remote.brandModel)
+
+        // 3. Write to scratch slot and transmit
+        val scratchSlot = remote.dynamicScratchSlot
+        when (val dlResult = gateway.downloadCodes(profileId, listOf(InfraredCode(remote.deviceName, scratchSlot, hexCode)))) {
+            is DomainResult.Failure -> return dlResult
+            is DomainResult.Success -> Unit
+        }
+
+        return gateway.sendKey(profileId, remote.deviceName, scratchSlot)
+    }
+}

domain/src/main/kotlin/com/flagship/abox/manager/domain/infrared/VirtualRemoteModels.kt

@@ -0,0 +1,93 @@
+package com.flagship.abox.manager.domain.infrared
+
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.ProviderProfileId
+
+@JvmInline
+value class VirtualRemoteId(val value: String)
+
+enum class RemoteDeviceType {
+    TV,
+    AIR_CONDITIONER,
+    FAN,
+    CUSTOM,
+}
+
+enum class TransmissionMode {
+    STATIC_SLOTS,
+    DYNAMIC_SCRATCH,
+}
+
+enum class AcMode {
+    COOL,
+    HEAT,
+    AUTO,
+    DRY,
+    FAN,
+}
+
+enum class AcFanSpeed {
+    AUTO,
+    LOW,
+    MEDIUM,
+    HIGH,
+}
+
+data class AcStateSnapshot(
+    val power: Boolean = true,
+    val mode: AcMode = AcMode.COOL,
+    val temperature: Int = 26,
+    val fanSpeed: AcFanSpeed = AcFanSpeed.AUTO,
+    val verticalSwing: Boolean = true,
+    val horizontalSwing: Boolean = false,
+    val eco: Boolean = false,
+)
+
+data class VirtualRemote(
+    val id: VirtualRemoteId,
+    val profileId: ProviderProfileId,
+    val deviceName: DeviceName,
+    val displayName: String,
+    val type: RemoteDeviceType,
+    val brandModel: String? = null,
+    val transmissionMode: TransmissionMode,
+    val dynamicScratchSlot: String = DEFAULT_DYNAMIC_SCRATCH_SLOT,
+    val acState: AcStateSnapshot? = null,
+    val createdAtEpochMillis: Long,
+    val updatedAtEpochMillis: Long,
+) {
+    companion object {
+        const val DEFAULT_DYNAMIC_SCRATCH_SLOT = "100"
+    }
+}
+
+data class RemoteKeyBinding(
+    val id: String,
+    val remoteId: VirtualRemoteId,
+    val profileId: ProviderProfileId,
+    val buttonId: String,
+    val displayName: String,
+    val assignedSlot: String? = null,
+    val rawHexCode: String? = null,
+    val status: InfraredKeyStatus = InfraredKeyStatus.READY,
+    val lastErrorCode: String? = null,
+    val lastErrorDetail: String? = null,
+)
+
+data class SlotQuotaSummary(
+    val totalCapacity: Int = 100,
+    val dynamicScratchSlot: Int = 100,
+    val assignedStaticSlots: Set<Int> = emptySet(),
+) {
+    val availableStaticSlots: List<Int>
+        get() = (1 until dynamicScratchSlot).filter { it !in assignedStaticSlots }
+
+    val usedCount: Int
+        get() = assignedStaticSlots.size + 1 // assigned static slots + 1 dynamic scratch slot
+
+    val remainingStaticCount: Int
+        get() = availableStaticSlots.size
+
+    val isStaticFull: Boolean
+        get() = availableStaticSlots.isEmpty()
+}

domain/src/main/kotlin/com/flagship/abox/manager/domain/infrared/VirtualRemoteRepository.kt

@@ -0,0 +1,56 @@
+package com.flagship.abox.manager.domain.infrared
+
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.ProviderProfileId
+import kotlinx.coroutines.flow.Flow
+
+interface VirtualRemoteRepository {
+    fun observeRemotes(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+    ): Flow<DomainResult<List<VirtualRemote>>>
+
+    fun observeRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): Flow<DomainResult<VirtualRemote?>>
+
+    fun observeKeyBindings(
+        remoteId: VirtualRemoteId,
+    ): Flow<DomainResult<List<RemoteKeyBinding>>>
+
+    fun observeSlotQuota(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+    ): Flow<DomainResult<SlotQuotaSummary>>
+
+    suspend fun getRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<VirtualRemote?>
+
+    suspend fun getKeyBindings(
+        remoteId: VirtualRemoteId,
+    ): DomainResult<List<RemoteKeyBinding>>
+
+    suspend fun createRemote(
+        remote: VirtualRemote,
+        initialBindings: List<RemoteKeyBinding>,
+    ): DomainResult<VirtualRemoteId>
+
+    suspend fun updateRemote(remote: VirtualRemote): DomainResult<Unit>
+
+    suspend fun deleteRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<Unit>
+
+    suspend fun updateKeyBinding(binding: RemoteKeyBinding): DomainResult<Unit>
+
+    suspend fun updateAcState(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+        state: AcStateSnapshot,
+    ): DomainResult<Unit>
+}

domain/src/test/kotlin/com/flagship/abox/manager/domain/infrared/InMemoryInfraredTestDoubles.kt

@@ -202,6 +202,7 @@ class RecordingInfraredGateway : InfraredGateway {
     var onLearn: ((ProviderProfileId, DeviceName, String) -> DomainResult<Unit>)? = null
     val learnedKeys = mutableListOf<InfraredLearningCall>()
     val sentKeys = mutableListOf<InfraredSendCall>()
+    val downloadedCodes = mutableListOf<InfraredCode>()
 
     override suspend fun learnKey(
         profileId: ProviderProfileId,
@@ -224,10 +225,110 @@ class RecordingInfraredGateway : InfraredGateway {
     override suspend fun downloadCodes(
         profileId: ProviderProfileId,
         codes: List<InfraredCode>,
-    ): DomainResult<List<InfraredCodeDownloadResult>> = DomainResult.Success(emptyList())
+    ): DomainResult<List<InfraredCodeDownloadResult>> {
+        downloadedCodes += codes
+        return DomainResult.Success(codes.map { InfraredCodeDownloadResult(it, successful = true) })
+    }
+}
+
+class InMemoryVirtualRemoteRepository : VirtualRemoteRepository {
+    private val remotes = mutableMapOf<VirtualRemoteId, VirtualRemote>()
+    private val bindings = mutableMapOf<VirtualRemoteId, MutableList<RemoteKeyBinding>>()
+    private val state = MutableStateFlow<List<VirtualRemote>>(emptyList())
+
+    override fun observeRemotes(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+    ): Flow<DomainResult<List<VirtualRemote>>> = state.map { values ->
+        DomainResult.Success(values.filter { it.profileId == profileId && it.deviceName == deviceName })
+    }
+
+    override fun observeRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): Flow<DomainResult<VirtualRemote?>> = state.map { values ->
+        DomainResult.Success(values.find { it.id == remoteId && it.profileId == profileId })
+    }
+
+    override fun observeKeyBindings(
+        remoteId: VirtualRemoteId,
+    ): Flow<DomainResult<List<RemoteKeyBinding>>> = state.map {
+        DomainResult.Success(bindings[remoteId]?.toList().orEmpty())
+    }
+
+    override fun observeSlotQuota(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+    ): Flow<DomainResult<SlotQuotaSummary>> = state.map { values ->
+        val relevant = values.filter { it.profileId == profileId && it.deviceName == deviceName }
+        val used = relevant.flatMap { bindings[it.id].orEmpty() }
+            .mapNotNull { it.assignedSlot?.toIntOrNull() }
+            .toSet()
+        DomainResult.Success(SlotQuotaSummary(assignedStaticSlots = used))
+    }
+
+    override suspend fun getRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<VirtualRemote?> = DomainResult.Success(remotes[remoteId]?.takeIf { it.profileId == profileId })
+
+    override suspend fun getKeyBindings(
+        remoteId: VirtualRemoteId,
+    ): DomainResult<List<RemoteKeyBinding>> = DomainResult.Success(bindings[remoteId]?.toList().orEmpty())
+
+    override suspend fun createRemote(
+        remote: VirtualRemote,
+        initialBindings: List<RemoteKeyBinding>,
+    ): DomainResult<VirtualRemoteId> {
+        remotes[remote.id] = remote
+        bindings[remote.id] = initialBindings.toMutableList()
+        publish()
+        return DomainResult.Success(remote.id)
+    }
+
+    override suspend fun updateRemote(remote: VirtualRemote): DomainResult<Unit> {
+        remotes[remote.id] = remote
+        publish()
+        return DomainResult.Success(Unit)
+    }
+
+    override suspend fun deleteRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<Unit> {
+        remotes.remove(remoteId)
+        bindings.remove(remoteId)
+        publish()
+        return DomainResult.Success(Unit)
+    }
+
+    override suspend fun updateKeyBinding(binding: RemoteKeyBinding): DomainResult<Unit> {
+        val list = bindings[binding.remoteId] ?: mutableListOf()
+        val idx = list.indexOfFirst { it.id == binding.id || it.buttonId == binding.buttonId }
+        if (idx >= 0) list[idx] = binding else list.add(binding)
+        bindings[binding.remoteId] = list
+        publish()
+        return DomainResult.Success(Unit)
+    }
+
+    override suspend fun updateAcState(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+        state: AcStateSnapshot,
+    ): DomainResult<Unit> {
+        val existing = remotes[remoteId] ?: return DomainResult.Success(Unit)
+        remotes[remoteId] = existing.copy(acState = state)
+        publish()
+        return DomainResult.Success(Unit)
+    }
+
+    private fun publish() {
+        state.value = remotes.values.toList()
+    }
 }
 
 fun SavedInfraredKey.ref() = InfraredKeyRef(
     profileId = profileId,
     keyId = id,
 )
+

domain/src/test/kotlin/com/flagship/abox/manager/domain/infrared/VirtualRemoteUseCaseTest.kt

@@ -0,0 +1,119 @@
+package com.flagship.abox.manager.domain.infrared
+
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.ProviderProfileId
+import kotlinx.coroutines.test.runTest
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+
+class VirtualRemoteUseCaseTest {
+
+    private val profileId = ProviderProfileId("profile1")
+    private val deviceName = DeviceName("ir-1")
+    private val clock = EpochMillisClock { 10_000L }
+
+    private lateinit var repository: InMemoryVirtualRemoteRepository
+    private lateinit var gateway: RecordingInfraredGateway
+    private lateinit var createRemote: CreateVirtualRemote
+    private lateinit var sendAction: SendVirtualRemoteAction
+    private lateinit var deleteRemote: DeleteVirtualRemote
+
+    @Before
+    fun setup() {
+        repository = InMemoryVirtualRemoteRepository()
+        gateway = RecordingInfraredGateway()
+        createRemote = CreateVirtualRemote(repository, gateway, clock)
+        sendAction = SendVirtualRemoteAction(repository, gateway)
+        deleteRemote = DeleteVirtualRemote(repository)
+    }
+
+    @Test
+    fun createVirtualRemoteWithStaticSlotsDownloadsPresetCodesToHardware() = runTest {
+        val result = createRemote(
+            profileId = profileId,
+            deviceName = deviceName,
+            displayName = "Living Room TV",
+            type = RemoteDeviceType.TV,
+            brandModel = "generic_tv",
+            transmissionMode = TransmissionMode.STATIC_SLOTS,
+        )
+
+        assertTrue(result is DomainResult.Success)
+        val remoteId = (result as DomainResult.Success).value
+
+        // Check remote created in repository
+        val remote = (repository.getRemote(profileId, remoteId) as DomainResult.Success<VirtualRemote?>).value
+        assertNotNull(remote)
+        assertEquals("Living Room TV", remote?.displayName)
+        assertEquals(TransmissionMode.STATIC_SLOTS, remote?.transmissionMode)
+
+        // Check preset codes downloaded to hardware gateway
+        assertTrue(gateway.downloadedCodes.isNotEmpty())
+
+        // Send a button in static mode -> directly triggers sendKey with assigned slot
+        val sendRes = sendAction.sendButton(profileId, remoteId, "TV_POWER")
+        assertTrue(sendRes is DomainResult.Success)
+        assertEquals(1, gateway.sentKeys.size)
+        assertEquals("1", gateway.sentKeys.first().key)
+    }
+
+    @Test
+    fun sendVirtualRemoteActionForAcUpdatesStateAndDownloadsToScratchSlot() = runTest {
+        val createResult = createRemote(
+            profileId = profileId,
+            deviceName = deviceName,
+            displayName = "Bedroom AC",
+            type = RemoteDeviceType.AIR_CONDITIONER,
+            brandModel = "gree_ac",
+            transmissionMode = TransmissionMode.DYNAMIC_SCRATCH,
+        )
+        val remoteId = (createResult as DomainResult.Success<VirtualRemoteId>).value
+
+        val newAcState = AcStateSnapshot(
+            power = true,
+            mode = AcMode.COOL,
+            temperature = 27,
+            fanSpeed = AcFanSpeed.HIGH,
+            verticalSwing = true,
+        )
+
+        val sendRes = sendAction.sendAcState(profileId, remoteId, newAcState)
+        assertTrue(sendRes is DomainResult.Success)
+
+        // 1. Downloaded to scratch slot 100
+        assertEquals(1, gateway.downloadedCodes.size)
+        val downloaded = gateway.downloadedCodes.first()
+        assertEquals("100", downloaded.key)
+        assertTrue(downloaded.code.startsWith("0x"))
+
+        // 2. Transmitted via sendKey with slot 100
+        assertEquals(1, gateway.sentKeys.size)
+        assertEquals("100", gateway.sentKeys.first().key)
+
+        // 3. State machine updated in repository
+        val updatedRemote = (repository.getRemote(profileId, remoteId) as DomainResult.Success<VirtualRemote?>).value
+        assertEquals(27, updatedRemote?.acState?.temperature)
+        assertEquals(AcFanSpeed.HIGH, updatedRemote?.acState?.fanSpeed)
+    }
+
+    @Test
+    fun deleteVirtualRemoteRemovesFromRepository() = runTest {
+        val createResult = createRemote(
+            profileId = profileId,
+            deviceName = deviceName,
+            displayName = "Fan",
+            type = RemoteDeviceType.FAN,
+            transmissionMode = TransmissionMode.DYNAMIC_SCRATCH,
+        )
+        val remoteId = (createResult as DomainResult.Success<VirtualRemoteId>).value
+
+        deleteRemote(profileId, remoteId)
+
+        val fetched = (repository.getRemote(profileId, remoteId) as DomainResult.Success<VirtualRemote?>).value
+        assertEquals(null, fetched)
+    }
+}

testing/fakes/src/main/kotlin/com/flagship/abox/manager/testing/fakes/FakeDeviceGateways.kt

@@ -129,6 +129,9 @@ class FakeInfraredGateway : InfraredGateway {
         learnResults[InfraredOperationKey(profileId, deviceName, key)] = result
     }
 
+    val downloadedCodes: List<InfraredCode>
+        get() = downloadCalls.flatMap { it.codes }
+
     override suspend fun downloadCodes(
         profileId: ProviderProfileId,
         codes: List<InfraredCode>,

testing/fakes/src/main/kotlin/com/flagship/abox/manager/testing/fakes/FakeVirtualRemoteRepository.kt

@@ -0,0 +1,126 @@
+package com.flagship.abox.manager.testing.fakes
+
+import com.flagship.abox.manager.domain.DeviceName
+import com.flagship.abox.manager.domain.DomainResult
+import com.flagship.abox.manager.domain.ProviderProfileId
+import com.flagship.abox.manager.domain.infrared.AcStateSnapshot
+import com.flagship.abox.manager.domain.infrared.RemoteKeyBinding
+import com.flagship.abox.manager.domain.infrared.SlotQuotaSummary
+import com.flagship.abox.manager.domain.infrared.VirtualRemote
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteId
+import com.flagship.abox.manager.domain.infrared.VirtualRemoteRepository
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.map
+import java.util.concurrent.ConcurrentHashMap
+
+class FakeVirtualRemoteRepository : VirtualRemoteRepository {
+
+    private val remotes = ConcurrentHashMap<VirtualRemoteId, VirtualRemote>()
+    private val bindings = ConcurrentHashMap<VirtualRemoteId, MutableList<RemoteKeyBinding>>()
+    private val changeTrigger = MutableStateFlow(0L)
+
+    override fun observeRemotes(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+    ): Flow<DomainResult<List<VirtualRemote>>> = changeTrigger.map {
+        DomainResult.Success(
+            remotes.values.filter { it.profileId == profileId && it.deviceName == deviceName }
+                .sortedByDescending { it.createdAtEpochMillis },
+        )
+    }
+
+    override fun observeRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): Flow<DomainResult<VirtualRemote?>> = changeTrigger.map {
+        val remote = remotes[remoteId]?.takeIf { it.profileId == profileId }
+        DomainResult.Success(remote)
+    }
+
+    override fun observeKeyBindings(
+        remoteId: VirtualRemoteId,
+    ): Flow<DomainResult<List<RemoteKeyBinding>>> = changeTrigger.map {
+        DomainResult.Success(bindings[remoteId]?.toList().orEmpty())
+    }
+
+    override fun observeSlotQuota(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+    ): Flow<DomainResult<SlotQuotaSummary>> = changeTrigger.map {
+        val relevantBindings = remotes.values
+            .filter { it.profileId == profileId && it.deviceName == deviceName }
+            .flatMap { bindings[it.id].orEmpty() }
+        val usedSlots = relevantBindings.mapNotNull { it.assignedSlot?.toIntOrNull() }.toSet()
+        DomainResult.Success(
+            SlotQuotaSummary(
+                totalCapacity = 100,
+                dynamicScratchSlot = 100,
+                assignedStaticSlots = usedSlots,
+            ),
+        )
+    }
+
+    override suspend fun getRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<VirtualRemote?> {
+        val remote = remotes[remoteId]?.takeIf { it.profileId == profileId }
+        return DomainResult.Success(remote)
+    }
+
+    override suspend fun getKeyBindings(
+        remoteId: VirtualRemoteId,
+    ): DomainResult<List<RemoteKeyBinding>> =
+        DomainResult.Success(bindings[remoteId]?.toList().orEmpty())
+
+    override suspend fun createRemote(
+        remote: VirtualRemote,
+        initialBindings: List<RemoteKeyBinding>,
+    ): DomainResult<VirtualRemoteId> {
+        remotes[remote.id] = remote
+        bindings[remote.id] = initialBindings.toMutableList()
+        changeTrigger.value = System.currentTimeMillis()
+        return DomainResult.Success(remote.id)
+    }
+
+    override suspend fun updateRemote(remote: VirtualRemote): DomainResult<Unit> {
+        remotes[remote.id] = remote
+        changeTrigger.value = System.currentTimeMillis()
+        return DomainResult.Success(Unit)
+    }
+
+    override suspend fun deleteRemote(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+    ): DomainResult<Unit> {
+        remotes.remove(remoteId)
+        bindings.remove(remoteId)
+        changeTrigger.value = System.currentTimeMillis()
+        return DomainResult.Success(Unit)
+    }
+
+    override suspend fun updateKeyBinding(binding: RemoteKeyBinding): DomainResult<Unit> {
+        val list = bindings[binding.remoteId] ?: mutableListOf()
+        val index = list.indexOfFirst { it.id == binding.id || it.buttonId == binding.buttonId }
+        if (index >= 0) {
+            list[index] = binding
+        } else {
+            list.add(binding)
+        }
+        bindings[binding.remoteId] = list
+        changeTrigger.value = System.currentTimeMillis()
+        return DomainResult.Success(Unit)
+    }
+
+    override suspend fun updateAcState(
+        profileId: ProviderProfileId,
+        remoteId: VirtualRemoteId,
+        state: AcStateSnapshot,
+    ): DomainResult<Unit> {
+        val existing = remotes[remoteId] ?: return DomainResult.Success(Unit)
+        remotes[remoteId] = existing.copy(acState = state)
+        changeTrigger.value = System.currentTimeMillis()
+        return DomainResult.Success(Unit)
+    }
+}