fix(scene): address bot review comments on concurrency, cancellation, validation, and race conditions

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

@@ -58,7 +58,6 @@ import androidx.compose.runtime.mutableDoubleStateOf
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -895,19 +894,21 @@ private fun AddActionDialog(
     var notifyTitle by remember { mutableStateOf("情景完成") }
     var notifyMsg by remember { mutableStateOf("自动化任务执行完成") }
 
-    val coroutineScope = rememberCoroutineScope()
-
     LaunchedEffect(availableRemotes, selectedRemoteIndex) {
         if (availableRemotes.isNotEmpty() && selectedRemoteIndex in availableRemotes.indices) {
             val remote = availableRemotes[selectedRemoteIndex]
-            coroutineScope.launch {
-                val bindings = viewModel.getKeyBindings(remote.id)
-                keyBindings = bindings
-                if (bindings.isNotEmpty()) {
-                    selectedButtonId = bindings[0].buttonId
-                    selectedButtonName = bindings[0].displayName.ifBlank { bindings[0].buttonId }
-                }
+            keyBindings = emptyList()
+            val bindings = viewModel.getKeyBindings(remote.id)
+            keyBindings = bindings
+            if (bindings.isNotEmpty()) {
+                selectedButtonId = bindings[0].buttonId
+                selectedButtonName = bindings[0].displayName.ifBlank { bindings[0].buttonId }
+            } else {
+                selectedButtonId = "power"
+                selectedButtonName = "电源"
             }
+        } else {
+            keyBindings = emptyList()
         }
     }
 

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

@@ -54,7 +54,7 @@ data class SceneEditorState(
     val isSaved: Boolean = false,
     val errorMessage: String? = null,
 ) {
-    val isValid: Boolean get() = name.isNotBlank() && actions.isNotEmpty()
+    val isValid: Boolean get() = name.isNotBlank() && actions.isNotEmpty() && (type != AutomationType.AUTOMATIC || triggers.isNotEmpty())
     val isEditing: Boolean get() = sceneId != null
 }
 
@@ -68,6 +68,9 @@ class SceneEditorViewModel @Inject constructor(
     private val _state = MutableStateFlow(SceneEditorState())
     val state: StateFlow<SceneEditorState> = _state.asStateFlow()
 
+    private var initializedSceneId: SceneId? = null
+    private var isInitialized: Boolean = false
+
     init {
         observeAvailableRemotes()
     }
@@ -87,6 +90,10 @@ class SceneEditorViewModel @Inject constructor(
     }
 
     fun initialize(sceneId: SceneId?, initialType: AutomationType? = null) {
+        if (isInitialized && initializedSceneId == sceneId) return
+        isInitialized = true
+        initializedSceneId = sceneId
+
         if (sceneId == null) {
             _state.update {
                 SceneEditorState(

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

@@ -34,7 +34,13 @@ class SceneExecutionViewModel @Inject constructor(
     private val _uiState = MutableStateFlow<SceneExecutionUiState>(SceneExecutionUiState.Loading)
     val uiState: StateFlow<SceneExecutionUiState> = _uiState.asStateFlow()
 
+    private var initializedSceneId: SceneId? = null
+
     fun initialize(sceneId: SceneId) {
+        if (initializedSceneId == sceneId && _uiState.value !is SceneExecutionUiState.Loading) {
+            return
+        }
+        initializedSceneId = sceneId
         _uiState.value = SceneExecutionUiState.Loading
         viewModelScope.launch {
             val profile = profileStore.activeProfile()
@@ -53,11 +59,18 @@ class SceneExecutionViewModel @Inject constructor(
 
     fun execute() {
         val current = _uiState.value
-        val scene = (current as? SceneExecutionUiState.Ready)?.scene
-            ?: (current as? SceneExecutionUiState.Running)?.scene
-            ?: return
+        val scene = when (current) {
+            is SceneExecutionUiState.Ready -> current.scene
+            is SceneExecutionUiState.Completed -> current.result.scene
+            else -> return
+        }
         _uiState.value = SceneExecutionUiState.Running(scene)
         viewModelScope.launch {
+            val profile = profileStore.activeProfile()
+            if (profile == null || profile.id != scene.profileId) {
+                _uiState.value = SceneExecutionUiState.Failed("Active profile mismatch")
+                return@launch
+            }
             when (val result = sceneExecutor.execute(scene)) {
                 is DomainResult.Success -> _uiState.value = SceneExecutionUiState.Completed(result.value)
                 is DomainResult.Failure -> _uiState.value = SceneExecutionUiState.Failed(

android/app/src/test/kotlin/com/flagship/abox/manager/ui/scene/SceneEditorViewModelTest.kt

@@ -158,5 +158,39 @@ class SceneEditorViewModelTest {
         assertTrue(viewModel.state.value.isSaved)
         assertFalse(viewModel.state.value.isSaving)
     }
+
+    @Test
+    fun automaticSceneWithoutTriggersIsInvalid() = runTest {
+        setupProfile()
+        val viewModel = SceneEditorViewModel(sceneRepository, virtualRemoteRepository, profileStore)
+        viewModel.initialize(null, AutomationType.AUTOMATIC)
+        viewModel.updateName("Auto Without Trigger")
+        viewModel.addSocketAction("socket-1", SocketPowerState.ON)
+        advanceUntilIdle()
+
+        // Missing triggers -> invalid
+        assertFalse(viewModel.state.value.isValid)
+
+        // Adding trigger makes it valid
+        viewModel.addTemperatureTrigger("sensor-1", ComparisonOperator.GREATER_THAN, 28.0)
+        advanceUntilIdle()
+        assertTrue(viewModel.state.value.isValid)
+    }
+
+    @Test
+    fun initializeIsIdempotentAndPreservesDraftState() = runTest {
+        setupProfile()
+        val viewModel = SceneEditorViewModel(sceneRepository, virtualRemoteRepository, profileStore)
+        viewModel.initialize(existingScene.id)
+        advanceUntilIdle()
+
+        viewModel.updateName("Modified Unsaved Name")
+        assertEquals("Modified Unsaved Name", viewModel.state.value.name)
+
+        // Re-invoking initialize with same sceneId should NOT overwrite draft
+        viewModel.initialize(existingScene.id)
+        advanceUntilIdle()
+        assertEquals("Modified Unsaved Name", viewModel.state.value.name)
+    }
 }
 

android/app/src/test/kotlin/com/flagship/abox/manager/ui/scene/SceneExecutionViewModelTest.kt

@@ -87,4 +87,39 @@ class SceneExecutionViewModelTest {
         assertEquals(testScene.id, completed.result.scene.id)
         assertEquals(1, completed.result.results.size)
     }
+
+    @Test
+    fun initializeIsIdempotentAndPreservesCompletedState() = runTest {
+        setupProfile()
+        val viewModel = SceneExecutionViewModel(sceneRepository, sceneExecutor, profileStore)
+        viewModel.initialize(testScene.id)
+        advanceUntilIdle()
+
+        viewModel.execute()
+        advanceUntilIdle()
+        assertTrue(viewModel.uiState.value is SceneExecutionUiState.Completed)
+
+        // Re-initializing with same sceneId should preserve Completed state
+        viewModel.initialize(testScene.id)
+        advanceUntilIdle()
+        assertTrue(viewModel.uiState.value is SceneExecutionUiState.Completed)
+    }
+
+    @Test
+    fun executeFailsWhenActiveProfileMismatches() = runTest {
+        setupProfile()
+        val viewModel = SceneExecutionViewModel(sceneRepository, sceneExecutor, profileStore)
+        viewModel.initialize(testScene.id)
+        advanceUntilIdle()
+
+        // Switch to a different profile
+        profileStore.setActiveProfile(ProviderProfileId("different-profile"))
+
+        viewModel.execute()
+        advanceUntilIdle()
+
+        assertTrue(viewModel.uiState.value is SceneExecutionUiState.Failed)
+        val failed = viewModel.uiState.value as SceneExecutionUiState.Failed
+        assertEquals("Active profile mismatch", failed.message)
+    }
 }