feat: confirm socket controls by readback

android/app/src/main/kotlin/com/flagship/abox/manager/di/ProviderRoutingGateways.kt

@@ -62,6 +62,15 @@ internal class RoutingSocketGateway(
         is DomainResult.Success -> delegate(provider.value).getStatus(profileId, deviceName)
     }
 
+    override suspend fun commandPower(
+        profileId: ProviderProfileId,
+        deviceName: DeviceName,
+        powerState: SocketPowerState,
+    ): DomainResult<Unit> = when (val provider = resolver.resolve(profileId)) {
+        is DomainResult.Failure -> provider
+        is DomainResult.Success -> delegate(provider.value).commandPower(profileId, deviceName, powerState)
+    }
+
     override suspend fun setPower(
         profileId: ProviderProfileId,
         deviceName: DeviceName,

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

@@ -14,14 +14,27 @@ data class SocketUiState(
     val isOffline: Boolean = false,
     val errorMessage: UiText? = null,
     val lastConfirmedTimeMillis: Long? = null,
+    val operation: SocketOperationState = SocketOperationState.IdleConfirmed,
 ) {
     val isActionEnabled: Boolean
-        get() = !isLoading && !isOperating && !isOffline && profileId != null && deviceName != null
+        get() = !isLoading && operation !is SocketOperationState.PendingCommand &&
+            operation !is SocketOperationState.RefreshingConfirmation &&
+            operation !is SocketOperationState.AwaitingConfirmation &&
+            !isOffline && profileId != null && deviceName != null
 
     val isPowerOn: Boolean
         get() = powerState == SocketPowerState.ON
 }
 
+sealed interface SocketOperationState {
+    data object IdleConfirmed : SocketOperationState
+    data class PendingCommand(val target: SocketPowerState) : SocketOperationState
+    data class RefreshingConfirmation(val target: SocketPowerState) : SocketOperationState
+    data class AwaitingConfirmation(val target: SocketPowerState) : SocketOperationState
+    data class Failed(val target: SocketPowerState) : SocketOperationState
+    data object Unavailable : SocketOperationState
+}
+
 sealed interface SocketUiEvent {
     data class Initialize(val profileId: ProviderProfileId, val deviceName: DeviceName) : SocketUiEvent
     data class ChangeDeviceName(val deviceName: DeviceName) : SocketUiEvent

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

@@ -56,6 +56,7 @@ class SocketViewModel @Inject constructor(
                     it.copy(
                         profileId = event.profileId,
                         deviceName = event.deviceName,
+                        operation = SocketOperationState.Unavailable,
                     )
                 }
                 loadStatus()
@@ -115,6 +116,7 @@ class SocketViewModel @Inject constructor(
                             isOffline = false,
                             errorMessage = null,
                             lastConfirmedTimeMillis = System.currentTimeMillis(),
+                            operation = SocketOperationState.IdleConfirmed,
                         )
                     }
                 }
@@ -126,6 +128,7 @@ class SocketViewModel @Inject constructor(
                             isLoading = false,
                             isOffline = isOffline,
                             errorMessage = DomainErrorMapper.map(result.error),
+                            operation = SocketOperationState.Unavailable,
                         )
                     }
                 }
@@ -139,25 +142,27 @@ class SocketViewModel @Inject constructor(
         val deviceName = current.deviceName ?: return
 
         // Prevent duplicate action if currently operating, loading or offline
-        if (current.isOperating || current.isLoading || current.isOffline) {
+        if (current.isOperating || current.isLoading || current.isOffline || !current.isActionEnabled) {
             return
         }
 
         viewModelScope.launch {
-            _state.update { it.copy(isOperating = true, errorMessage = null) }
-            when (val result = socketGateway.setPower(profileId, deviceName, targetState)) {
+            _state.update { it.copy(isOperating = true, errorMessage = null, operation = SocketOperationState.PendingCommand(targetState)) }
+            when (val result = socketGateway.commandPower(profileId, deviceName, targetState)) {
                 is DomainResult.Success -> {
-                    _state.update {
-                        it.copy(
-                            powerState = result.value.powerState,
-                            isOperating = false,
-                            isOffline = false,
-                            errorMessage = null,
-                            lastConfirmedTimeMillis = System.currentTimeMillis(),
-                        )
+                    _state.update { it.copy(operation = SocketOperationState.RefreshingConfirmation(targetState)) }
+                    when (val confirmation = socketGateway.getStatus(profileId, deviceName)) {
+                        is DomainResult.Success -> _state.update {
+                            it.copy(powerState = confirmation.value.powerState, isOperating = false, isOffline = false,
+                                errorMessage = null, lastConfirmedTimeMillis = System.currentTimeMillis(),
+                                operation = SocketOperationState.IdleConfirmed)
+                        }
+                        is DomainResult.Failure -> _state.update {
+                            it.copy(isOperating = false, errorMessage = DomainErrorMapper.map(confirmation.error),
+                                operation = SocketOperationState.AwaitingConfirmation(targetState))
+                        }
                     }
                 }
-
                 is DomainResult.Failure -> {
                     val isOffline = result.error is DomainError.DeviceOffline
                     _state.update {
@@ -165,6 +170,7 @@ class SocketViewModel @Inject constructor(
                             isOperating = false,
                             isOffline = isOffline,
                             errorMessage = DomainErrorMapper.map(result.error),
+                            operation = SocketOperationState.Failed(targetState),
                         )
                     }
                 }

android/app/src/test/kotlin/com/flagship/abox/manager/ui/socket/SocketViewModelTest.kt

@@ -157,6 +157,32 @@ class SocketViewModelTest {
         assertNotNull(state.errorMessage)
     }
 
+    @Test
+    fun commandSuccessReadsBackConfirmedState() = runTest {
+        val viewModel = SocketViewModel(fakeSocketGateway, SavedStateHandle())
+        viewModel.onEvent(SocketUiEvent.Initialize(profileId, deviceName))
+
+        viewModel.onEvent(SocketUiEvent.SetPower(SocketPowerState.ON))
+
+        assertEquals(SocketPowerState.ON, viewModel.state.value.powerState)
+        assertEquals(SocketOperationState.IdleConfirmed, viewModel.state.value.operation)
+    }
+
+    @Test
+    fun readbackFailureKeepsLastConfirmedStateAndMarksAwaitingConfirmation() = runTest {
+        val viewModel = SocketViewModel(fakeSocketGateway, SavedStateHandle())
+        viewModel.onEvent(SocketUiEvent.Initialize(profileId, deviceName))
+        fakeSocketGateway.setError(profileId, deviceName, DomainError.Network(detail = "Readback failed"))
+
+        viewModel.onEvent(SocketUiEvent.SetPower(SocketPowerState.ON))
+
+        assertEquals(SocketPowerState.OFF, viewModel.state.value.powerState)
+        assertEquals(
+            SocketOperationState.AwaitingConfirmation(SocketPowerState.ON),
+            viewModel.state.value.operation,
+        )
+    }
+
     @Test
     fun refresh_queriesUpdatedGatewayStatus() = runTest {
         val viewModel = SocketViewModel(fakeSocketGateway, SavedStateHandle())