fix(infrared): add cutoff timestamp to failInterruptedLearning to prevent race with subsequent tasks

android/feature/infrared/src/androidTest/kotlin/com/flagship/abox/manager/infrared/data/local/RoomInfraredKeyRepositoryTest.kt

@@ -139,6 +139,25 @@ class RoomInfraredKeyRepositoryTest {
         assertEquals(InfraredKeyStatus.READY, k3.status)
     }
 
+    @Test
+    fun failInterruptedLearningRespectsCutoffEpochMillis() = runTest {
+        repository.insert(testKey(id = "old_k", sdkKey = "old_k", status = InfraredKeyStatus.LEARNING).copy(createdAtEpochMillis = 100L))
+        repository.insert(testKey(id = "new_k", sdkKey = "new_k", status = InfraredKeyStatus.LEARNING).copy(createdAtEpochMillis = 200L))
+
+        val countResult = repository.failInterruptedLearning(
+            profileId = ProviderProfileId("profile1"),
+            cutoffEpochMillis = 150L,
+            updatedAtEpochMillis = 150L,
+        ) as DomainResult.Success
+        assertEquals(1, countResult.value)
+
+        val oldK = (repository.getKey(InfraredKeyRef(ProviderProfileId("profile1"), InfraredKeyId("old_k"))) as DomainResult.Success).value!!
+        assertEquals(InfraredKeyStatus.FAILED, oldK.status)
+
+        val newK = (repository.getKey(InfraredKeyRef(ProviderProfileId("profile1"), InfraredKeyId("new_k"))) as DomainResult.Success).value!!
+        assertEquals(InfraredKeyStatus.LEARNING, newK.status)
+    }
+
     @Test
     fun persistsAndObservesDeviceName() = runTest {
         val initial = repository.observeDeviceName(ProviderProfileId("profile1")).first() as DomainResult.Success

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/application/InfraredLearningCoordinator.kt

@@ -39,9 +39,17 @@ class InfraredLearningCoordinator(
         relearnInfraredKey(ref)
     }
 
-    fun failInterruptedLearning(profileId: ProviderProfileId, updatedAtEpochMillis: Long = System.currentTimeMillis()) {
+    fun failInterruptedLearning(
+        profileId: ProviderProfileId,
+        cutoffEpochMillis: Long = System.currentTimeMillis(),
+        updatedAtEpochMillis: Long = cutoffEpochMillis,
+    ) {
         externalScope.launch(NonCancellable) {
-            keyRepository.failInterruptedLearning(profileId, updatedAtEpochMillis)
+            keyRepository.failInterruptedLearning(
+                profileId = profileId,
+                cutoffEpochMillis = cutoffEpochMillis,
+                updatedAtEpochMillis = updatedAtEpochMillis,
+            )
         }
     }
 }

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

@@ -81,13 +81,16 @@ interface InfraredDao {
             lastErrorCode = NULL,
             lastErrorDetail = :errorDetail,
             updatedAtEpochMillis = :updatedAtEpochMillis
-        WHERE profileId = :profileId AND status = 'LEARNING'
+        WHERE profileId = :profileId
+          AND status = 'LEARNING'
+          AND createdAtEpochMillis <= :cutoffEpochMillis
         """,
     )
     suspend fun failInterruptedLearning(
         profileId: String,
         targetStatus: String,
         errorDetail: String,
+        cutoffEpochMillis: Long,
         updatedAtEpochMillis: Long,
     ): Int
 

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

@@ -11,6 +11,7 @@ import com.flagship.abox.manager.domain.infrared.InfraredKeyRef
 import com.flagship.abox.manager.domain.infrared.InfraredKeyRepository
 import com.flagship.abox.manager.domain.infrared.InfraredKeyStatus
 import com.flagship.abox.manager.domain.infrared.SavedInfraredKey
+import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.map
@@ -147,6 +148,7 @@ class RoomInfraredKeyRepository(
 
     override suspend fun failInterruptedLearning(
         profileId: ProviderProfileId,
+        cutoffEpochMillis: Long,
         updatedAtEpochMillis: Long,
     ): DomainResult<Int> {
         return try {
@@ -154,10 +156,14 @@ class RoomInfraredKeyRepository(
                 profileId = profileId.value,
                 targetStatus = InfraredKeyStatus.FAILED.name,
                 errorDetail = INTERRUPTED_LEARNING_ERROR_DETAIL,
+                cutoffEpochMillis = cutoffEpochMillis,
                 updatedAtEpochMillis = updatedAtEpochMillis,
             )
             DomainResult.Success(count)
         } catch (throwable: Throwable) {
+            if (throwable is CancellationException) {
+                throw throwable
+            }
             DomainResult.Failure(mapThrowableToDomainError(throwable))
         }
     }

android/feature/infrared/src/main/kotlin/com/flagship/abox/manager/infrared/remote/InfraredRemoteViewModel.kt

@@ -77,11 +77,12 @@ class InfraredRemoteViewModel @Inject constructor(
     init {
         if (authenticatedProfileId != null) {
             viewModelScope.launch {
+                val startupCutoff = System.currentTimeMillis()
                 runtimeModeStore.mode.collect { mode ->
                     val effective = profileResolver.resolve(authenticatedProfileId, mode)
-                    learningCoordinator.failInterruptedLearning(effective)
+                    learningCoordinator.failInterruptedLearning(effective, cutoffEpochMillis = startupCutoff)
                     if (effective != authenticatedProfileId) {
-                        learningCoordinator.failInterruptedLearning(authenticatedProfileId)
+                        learningCoordinator.failInterruptedLearning(authenticatedProfileId, cutoffEpochMillis = startupCutoff)
                     }
                 }
             }
@@ -185,13 +186,14 @@ class InfraredRemoteViewModel @Inject constructor(
     fun toggleLearningMode(enabled: Boolean) {
         isLearningModeFlow.value = enabled
         if (!enabled) {
+            val shutdownCutoff = System.currentTimeMillis()
             underlyingLearningDeferred?.cancel()
             underlyingLearningDeferred = null
             activeLearningJob?.cancel()
             activeLearningJob = null
             activeLearningSlotFlow.value = null
             state.value.effectiveProfileId?.let { profile ->
-                learningCoordinator.failInterruptedLearning(profile)
+                learningCoordinator.failInterruptedLearning(profile, cutoffEpochMillis = shutdownCutoff)
             }
         } else {
             messageFlow.value = RemoteUiMessage.Info("🔴 学习录制模式已开启：点击任意按键即可开始录制")
@@ -285,12 +287,13 @@ class InfraredRemoteViewModel @Inject constructor(
 
     override fun onCleared() {
         super.onCleared()
+        val teardownCutoff = System.currentTimeMillis()
         underlyingLearningDeferred?.cancel()
         underlyingLearningDeferred = null
         activeLearningJob?.cancel()
         activeLearningJob = null
         state.value.effectiveProfileId?.let { profile ->
-            learningCoordinator.failInterruptedLearning(profile)
+            learningCoordinator.failInterruptedLearning(profile, cutoffEpochMillis = teardownCutoff)
         }
     }