Возможность переподключения к remote vault

domain-vault/src/main/java/com/github/nullptroma/wallenc/infrastructure/vaults/VaultsManager.kt

@@ -85,6 +85,16 @@ class VaultsManager(
         yandexAccountStore.deleteByVaultUuid(vaultUuid.toString())
     }
 
+    override suspend fun retry(vaultUuid: UUID): Boolean = withContext(ioDispatcher) {
+        val account = yandexAccountStore.getByVaultUuid(vaultUuid.toString()) ?: return@withContext false
+        yandexAccountStore.updateCredentials(
+            vaultUuid = account.vaultUuid,
+            email = account.email,
+            token = account.oauthToken,
+        )
+        true
+    }
+
     private suspend fun registerYandex(registration: YandexRegistration) {
         val token = registration.oauthToken
         val info = yandexUserInfoRepository.userInfo(token)

ui/src/main/java/com/github/nullptroma/wallenc/ui/screens/main/screens/remotes/RemoteVaultsScreen.kt

@@ -130,6 +130,27 @@ fun RemoteVaultsScreen(
                                         style = MaterialTheme.typography.bodyMedium,
                                         color = MaterialTheme.colorScheme.onSurfaceVariant,
                                     )
+                                    Spacer(modifier = Modifier.height(6.dp))
+                                    if (!item.isAvailable) {
+                                        Text(
+                                            text = stringResource(R.string.remote_vault_unavailable),
+                                            style = MaterialTheme.typography.bodySmall,
+                                            color = MaterialTheme.colorScheme.error,
+                                        )
+                                        Spacer(modifier = Modifier.height(6.dp))
+                                        FilledTonalButton(
+                                            onClick = { viewModel.retryVault(item.uuid) },
+                                            enabled = !uiState.isBusy,
+                                        ) {
+                                            Text(
+                                                if (item.isRefreshing) {
+                                                    stringResource(R.string.remote_vault_retrying)
+                                                } else {
+                                                    stringResource(R.string.remote_vault_retry_action)
+                                                },
+                                            )
+                                        }
+                                    }
                                 }
                                 IconButton(
                                     onClick = { viewModel.requestDeleteVault(item) },

ui/src/main/java/com/github/nullptroma/wallenc/ui/screens/main/screens/remotes/RemoteVaultsScreenState.kt

@@ -7,6 +7,8 @@ data class RemoteVaultListItem(
     val uuid: UUID,
     val brand: CloudBrand,
     val label: String,
+    val isAvailable: Boolean,
+    val isRefreshing: Boolean,
 )
 
 data class RemoteVaultsScreenState(

ui/src/main/java/com/github/nullptroma/wallenc/ui/screens/main/screens/remotes/RemoteVaultsViewModel.kt

@@ -7,6 +7,7 @@ import com.github.nullptroma.wallenc.domain.tasks.TaskLogLevel
 import com.github.nullptroma.wallenc.ui.R
 import com.github.nullptroma.wallenc.ui.ViewModelBase
 import com.github.nullptroma.wallenc.ui.resources.UiStringResolver
+import com.github.nullptroma.wallenc.vault.contract.DescribedVault
 import com.github.nullptroma.wallenc.vault.contract.RemoteVaultAuthenticator
 import com.github.nullptroma.wallenc.vault.contract.VaultDescriptor
 import com.github.nullptroma.wallenc.vault.contract.VaultRegistrar
@@ -15,13 +16,17 @@ import com.github.nullptroma.wallenc.vault.contract.described
 import com.github.nullptroma.wallenc.vault.contract.remotes
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.withContext
 import javax.inject.Inject
 
 @HiltViewModel
+@OptIn(ExperimentalCoroutinesApi::class)
 class RemoteVaultsViewModel @Inject constructor(
     private val vaultsManager: IVaultsManager,
     private val vaultRegistrar: VaultRegistrar,
@@ -30,19 +35,26 @@ class RemoteVaultsViewModel @Inject constructor(
     private val uiStrings: UiStringResolver,
 ) : ViewModelBase<RemoteVaultsScreenState>(RemoteVaultsScreenState()) {
 
+    private val remoteItems = vaultsManager.vaults
+        .flatMapLatest { all ->
+            val remotes = all.described().remotes
+            if (remotes.isEmpty()) {
+                flowOf(emptyList())
+            } else {
+                combine(remotes.map { vault ->
+                    combine(vault.isAvailable, vault.storagesScanInProgress) { available, scanInProgress ->
+                        toRemoteItem(vault, available, scanInProgress)
+                    }
+                }) { arr -> arr.toList().filterNotNull() }
+            }
+        }
+
     val uiState = combine(
-        vaultsManager.vaults,
+        remoteItems,
         state,
-    ) { all, base ->
+    ) { items, base ->
         base.copy(
-            vaults = all.described().remotes.mapNotNull { v ->
+            vaults = items,
-                val descriptor = v.descriptor as? VaultDescriptor.LinkedRemote ?: return@mapNotNull null
-                RemoteVaultListItem(
-                    uuid = descriptor.uuid,
-                    brand = descriptor.brand,
-                    label = descriptor.accountDisplayName,
-                )
-            },
         )
     }.stateIn(
         viewModelScope,
@@ -111,4 +123,40 @@ class RemoteVaultsViewModel @Inject constructor(
             },
         )
     }
+
+    fun retryVault(vaultUuid: java.util.UUID) {
+        setBusy(true)
+        taskOrchestrator.enqueue(
+            title = uiStrings(R.string.task_title_retry_remote_vault),
+            dispatcher = Dispatchers.IO,
+            work = { ctx ->
+                try {
+                    ctx.log(TaskLogLevel.Info, "Retrying remote vault connection…")
+                    vaultRegistrar.retry(vaultUuid)
+                    ctx.log(TaskLogLevel.Info, "Retry requested")
+                } catch (e: Exception) {
+                    ctx.log(TaskLogLevel.Error, e.message ?: "Failed to retry remote vault")
+                } finally {
+                    withContext(Dispatchers.Main.immediate) {
+                        setBusy(false)
+                    }
+                }
+            },
+        )
+    }
+
+    private fun toRemoteItem(
+        vault: DescribedVault,
+        isAvailable: Boolean,
+        isRefreshing: Boolean,
+    ): RemoteVaultListItem? {
+        val descriptor = vault.descriptor as? VaultDescriptor.LinkedRemote ?: return null
+        return RemoteVaultListItem(
+            uuid = descriptor.uuid,
+            brand = descriptor.brand,
+            label = descriptor.accountDisplayName,
+            isAvailable = isAvailable,
+            isRefreshing = isRefreshing,
+        )
+    }
 }

ui/src/main/java/com/github/nullptroma/wallenc/ui/screens/main/screens/storage/secrets/TextSecretDetailsScreen.kt

@@ -12,6 +12,7 @@ import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.Button
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
@@ -49,6 +50,9 @@ fun TextSecretDetailsScreen(
             uiState.errorMessage?.let {
                 Text(it, color = MaterialTheme.colorScheme.error)
             }
+            if (uiState.isMutating) {
+                LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
+            }
             if (secret == null) return@Column
 
             Row(

ui/src/main/java/com/github/nullptroma/wallenc/ui/screens/main/screens/storage/secrets/TextSecretDetailsViewModel.kt

@@ -3,6 +3,7 @@ package com.github.nullptroma.wallenc.ui.screens.main.screens.storage.secrets
 import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.viewModelScope
 import com.github.nullptroma.wallenc.domain.tasks.ITaskOrchestrator
+import com.github.nullptroma.wallenc.domain.tasks.TaskId
 import com.github.nullptroma.wallenc.domain.tasks.TaskRunState
 import com.github.nullptroma.wallenc.ui.R
 import com.github.nullptroma.wallenc.ui.ViewModelBase
@@ -11,9 +12,10 @@ import com.github.nullptroma.wallenc.ui.screens.main.screens.storage.requireStor
 import com.github.nullptroma.wallenc.usecases.FindStorageUseCase
 import com.github.nullptroma.wallenc.usecases.ManageTextSecretsUseCase
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.CompletableDeferred
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import javax.inject.Inject
@@ -74,23 +76,15 @@ class TextSecretDetailsViewModel @Inject constructor(
     fun delete(onDeleted: () -> Unit) {
         viewModelScope.launch {
             val storage = findStorageUseCase.find(storageUuid) ?: return@launch
-            val result = CompletableDeferred<Result<Boolean>>()
+            val taskId = taskOrchestrator.enqueue(
-            taskOrchestrator.enqueue(
                 title = uiStrings(R.string.task_title_delete_text_secret),
                 dispatcher = Dispatchers.IO,
                 busyStorageUuid = storage.uuid,
                 work = { _ ->
-                    try {
+                    manageTextSecretsUseCase.delete(storage, secretId)
-                        val removed = manageTextSecretsUseCase.delete(storage, secretId)
-                        result.complete(Result.success(removed))
-                    } catch (t: Throwable) {
-                        result.complete(Result.failure(t))
-                        throw t
-                    }
                 },
             )
-            val removed = result.await().getOrElse { false }
+            if (awaitTaskTerminalState(taskId) is TaskRunState.Completed) {
-            if (removed) {
                 onDeleted()
             }
         }
@@ -98,4 +92,15 @@ class TextSecretDetailsViewModel @Inject constructor(
 
     private fun isTaskActive(state: TaskRunState): Boolean =
         state is TaskRunState.Queued || state is TaskRunState.Running
+
+    private suspend fun awaitTaskTerminalState(taskId: TaskId): TaskRunState {
+        return taskOrchestrator.pipelineState
+            .map { pipe -> pipe.tasks.firstOrNull { it.id == taskId }?.state }
+            .filterNotNull()
+            .first { state ->
+                state is TaskRunState.Completed ||
+                    state is TaskRunState.Cancelled ||
+                    state is TaskRunState.Failed
+            }
+    }
 }

ui/src/main/java/com/github/nullptroma/wallenc/ui/screens/main/screens/storage/secrets/TextSecretEditScreen.kt

@@ -14,6 +14,7 @@ import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.Delete
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
@@ -73,9 +74,13 @@ fun TextSecretEditScreen(
                     stringResource(R.string.text_secret_edit)
                 },
             )
+            if (uiState.isMutating) {
+                LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
+            }
             OutlinedTextField(
                 value = title,
                 onValueChange = { title = it },
+                enabled = !uiState.isMutating,
                 modifier = Modifier.fillMaxWidth(),
                 label = { Text(stringResource(R.string.text_secret_title)) },
             )
@@ -94,6 +99,7 @@ fun TextSecretEditScreen(
                             onValueChange = { newLabel ->
                                 items[index] = item.copy(label = newLabel.ifBlank { null })
                             },
+                            enabled = !uiState.isMutating,
                             modifier = Modifier.weight(0.45f),
                             label = { Text(stringResource(R.string.text_secret_item_label_optional)) },
                         )
@@ -102,6 +108,7 @@ fun TextSecretEditScreen(
                             onValueChange = { newValue ->
                                 items[index] = item.copy(value = newValue)
                             },
+                            enabled = !uiState.isMutating,
                             modifier = Modifier.weight(0.55f),
                             label = { Text(stringResource(R.string.text_secret_item_value)) },
                         )

ui/src/main/java/com/github/nullptroma/wallenc/ui/screens/main/screens/storage/secrets/TextSecretEditViewModel.kt

@@ -5,6 +5,7 @@ import androidx.lifecycle.viewModelScope
 import com.github.nullptroma.wallenc.domain.datatypes.TextSecretEntryRecord
 import com.github.nullptroma.wallenc.domain.datatypes.TextSecretRecord
 import com.github.nullptroma.wallenc.domain.tasks.ITaskOrchestrator
+import com.github.nullptroma.wallenc.domain.tasks.TaskId
 import com.github.nullptroma.wallenc.domain.tasks.TaskRunState
 import com.github.nullptroma.wallenc.ui.R
 import com.github.nullptroma.wallenc.ui.ViewModelBase
@@ -14,12 +15,14 @@ import com.github.nullptroma.wallenc.ui.screens.main.screens.storage.requireStor
 import com.github.nullptroma.wallenc.usecases.FindStorageUseCase
 import com.github.nullptroma.wallenc.usecases.ManageTextSecretsUseCase
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.CompletableDeferred
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
+import java.util.UUID
 import javax.inject.Inject
 
 @HiltViewModel
@@ -81,42 +84,48 @@ class TextSecretEditViewModel @Inject constructor(
         viewModelScope.launch {
             val storage = findStorageUseCase.find(storageUuid) ?: return@launch
             val existingId = secretId
-            val result = CompletableDeferred<Result<String>>()
+            val targetSecretId = existingId ?: UUID.randomUUID().toString()
-            taskOrchestrator.enqueue(
+            val taskId = taskOrchestrator.enqueue(
                 title = uiStrings(R.string.task_title_save_text_secret),
                 dispatcher = Dispatchers.IO,
                 busyStorageUuid = storage.uuid,
                 work = { _ ->
-                    try {
+                    if (existingId == null) {
-                        if (existingId == null) {
+                        manageTextSecretsUseCase.create(
-                            val created = manageTextSecretsUseCase.create(
+                            storageInfo = storage,
-                                storageInfo = storage,
+                            title = title,
+                            items = items,
+                            id = targetSecretId,
+                        )
+                    } else {
+                        manageTextSecretsUseCase.update(
+                            storageInfo = storage,
+                            secret = TextSecretRecord(
+                                id = targetSecretId,
                                 title = title,
                                 items = items,
-                            )
+                            ),
-                            result.complete(Result.success(created.id))
+                        )
-                        } else {
-                            manageTextSecretsUseCase.update(
-                                storageInfo = storage,
-                                secret = TextSecretRecord(
-                                    id = existingId,
-                                    title = title,
-                                    items = items,
-                                ),
-                            )
-                            result.complete(Result.success(existingId))
-                        }
-                    } catch (t: Throwable) {
-                        result.complete(Result.failure(t))
-                        throw t
                     }
                 },
             )
-            val savedId = result.await().getOrNull() ?: return@launch
+            if (awaitTaskTerminalState(taskId) is TaskRunState.Completed) {
-            onSaved(savedId)
+                onSaved(targetSecretId)
+            }
         }
     }
 
     private fun isTaskActive(state: TaskRunState): Boolean =
         state is TaskRunState.Queued || state is TaskRunState.Running
+
+    private suspend fun awaitTaskTerminalState(taskId: TaskId): TaskRunState {
+        return taskOrchestrator.pipelineState
+            .map { pipe -> pipe.tasks.firstOrNull { it.id == taskId }?.state }
+            .filterNotNull()
+            .first { state ->
+                state is TaskRunState.Completed ||
+                    state is TaskRunState.Cancelled ||
+                    state is TaskRunState.Failed
+            }
+    }
 }

ui/src/main/java/com/github/nullptroma/wallenc/ui/screens/main/screens/storage/twofa/TwoFaTokensScreen.kt

@@ -23,6 +23,7 @@ import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.FloatingActionButton
 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.Scaffold
@@ -202,7 +203,7 @@ private fun TwoFaTokenEditDialog(
     var notes by remember(startValue) { mutableStateOf(startValue?.notes.orEmpty()) }
 
     AlertDialog(
-        onDismissRequest = onDismiss,
+        onDismissRequest = { if (!isBusy) onDismiss() },
         title = {
             Text(
                 if (startValue == null) {
@@ -214,24 +215,31 @@ private fun TwoFaTokenEditDialog(
         },
         text = {
             Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                if (isBusy) {
+                    LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
+                }
                 OutlinedTextField(
                     value = issuer,
                     onValueChange = { issuer = it },
+                    enabled = !isBusy,
                     label = { Text(stringResource(R.string.two_fa_field_issuer)) },
                 )
                 OutlinedTextField(
                     value = account,
                     onValueChange = { account = it },
+                    enabled = !isBusy,
                     label = { Text(stringResource(R.string.two_fa_field_account)) },
                 )
                 OutlinedTextField(
                     value = secret,
                     onValueChange = { secret = it },
+                    enabled = !isBusy,
                     label = { Text(stringResource(R.string.two_fa_field_secret)) },
                 )
                 OutlinedTextField(
                     value = notes,
                     onValueChange = { notes = it },
+                    enabled = !isBusy,
                     label = { Text(stringResource(R.string.two_fa_field_notes_optional)) },
                 )
             }

ui/src/main/res/values/strings.xml

@@ -121,6 +121,7 @@
     <string name="task_title_clear_sync_lock">Снятие блокировки синхронизации</string>
     <string name="task_title_add_remote_vault">Добавление удалённого хранилища</string>
     <string name="task_title_remove_remote_vault">Удаление удалённого хранилища</string>
+    <string name="task_title_retry_remote_vault">Повторное подключение удалённого хранилища</string>
     <string name="task_title_storage_sync">Синхронизация хранилищ</string>
     <string name="task_title_storage_sync_background">Фоновая синхронизация хранилищ</string>
     <string name="task_title_save_2fa_token">Сохранение 2FA токена</string>
@@ -149,6 +150,9 @@
     <string name="remote_vaults_provider_yandex">Яндекс</string>
     <string name="remote_vaults_add_cancel">Отмена</string>
     <string name="remote_vault_type_yandex">Яндекс</string>
+    <string name="remote_vault_unavailable">Хранилище временно недоступно</string>
+    <string name="remote_vault_retry_action">Повторить подключение</string>
+    <string name="remote_vault_retrying">Пробую подключиться…</string>
     <string name="remote_vault_delete_cd">Удалить удалённое хранилище</string>
     <string name="remote_vault_remove_title">Удалить удалённое хранилище?</string>
     <string name="remote_vault_remove_message">Удалить «%1$s» с этого устройства? Данные на сервере не удаляются.</string>

usecases/src/main/java/com/github/nullptroma/wallenc/usecases/ManageTextSecretsUseCase.kt

@@ -6,6 +6,7 @@ import com.github.nullptroma.wallenc.domain.interfaces.IStorage
 import com.github.nullptroma.wallenc.domain.interfaces.IStorageInfo
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.merge
@@ -29,7 +30,13 @@ class ManageTextSecretsUseCase {
         val storage = storageInfo as? IStorage ?: return flowOf(emptyList())
         return merge(
             flowOf(Unit),
-            storage.accessor.filesUpdates.map { Unit },
+            storage.accessor.filesUpdates
+                .filter { page ->
+                    page.data.any { file ->
+                        domainFilePathEquals(file.metaInfo.path, StorageDomainDataFiles.TEXT_SECRETS_FILE)
+                    }
+                }
+                .map { Unit },
         ).map {
             mutex.withLock { readAll(storage) }
         }.distinctUntilChanged()
@@ -40,11 +47,16 @@ class ManageTextSecretsUseCase {
         readAll(storage).firstOrNull { it.id == id }
     }
 
-    suspend fun create(storageInfo: IStorageInfo, title: String, items: List<TextSecretEntryRecord>): TextSecretRecord =
+    suspend fun create(
+        storageInfo: IStorageInfo,
+        title: String,
+        items: List<TextSecretEntryRecord>,
+        id: String = UUID.randomUUID().toString(),
+    ): TextSecretRecord =
         mutex.withLock {
             val storage = storageInfo as? IStorage ?: error("Storage is not writable")
             val next = TextSecretRecord(
-                id = UUID.randomUUID().toString(),
+                id = id,
                 title = title.trim(),
                 items = items.normalizeItems(),
             )
@@ -142,4 +154,7 @@ class ManageTextSecretsUseCase {
                 )
             }
         }
+
+    private fun domainFilePathEquals(left: String, right: String): Boolean =
+        left.trimStart('/') == right.trimStart('/')
 }

usecases/src/main/java/com/github/nullptroma/wallenc/usecases/ManageTwoFaTokensUseCase.kt

@@ -5,6 +5,7 @@ import com.github.nullptroma.wallenc.domain.interfaces.IStorage
 import com.github.nullptroma.wallenc.domain.interfaces.IStorageInfo
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.merge
@@ -25,7 +26,13 @@ class ManageTwoFaTokensUseCase {
         val storage = storageInfo as? IStorage ?: return flowOf(emptyList())
         return merge(
             flowOf(Unit),
-            storage.accessor.filesUpdates.map { Unit },
+            storage.accessor.filesUpdates
+                .filter { page ->
+                    page.data.any { file ->
+                        domainFilePathEquals(file.metaInfo.path, StorageDomainDataFiles.TWO_FA_TOKENS_FILE)
+                    }
+                }
+                .map { Unit },
         ).map {
             mutex.withLock { readAll(storage) }
         }.distinctUntilChanged()
@@ -117,4 +124,7 @@ class ManageTwoFaTokensUseCase {
         put("secret", JsonPrimitive(record.secret))
         record.notes?.let { put("notes", JsonPrimitive(it)) }
     }
+
+    private fun domainFilePathEquals(left: String, right: String): Boolean =
+        left.trimStart('/') == right.trimStart('/')
 }

usecases/src/main/java/com/github/nullptroma/wallenc/usecases/StorageDomainDataFiles.kt

@@ -4,6 +4,6 @@ package com.github.nullptroma.wallenc.usecases
  * Единая точка с путями обычных JSON-файлов пользовательских доменных данных.
  */
 object StorageDomainDataFiles {
-    const val TWO_FA_TOKENS_FILE = "/two-fa-tokens.json"
+    const val TWO_FA_TOKENS_FILE = "/wallenc-data/two-fa-tokens.json"
-    const val TEXT_SECRETS_FILE = "/text-secrets.json"
+    const val TEXT_SECRETS_FILE = "/wallenc-data/text-secrets.json"
 }

usecases/src/main/java/com/github/nullptroma/wallenc/usecases/StorageSyncEngine.kt

@@ -73,7 +73,7 @@ class StorageSyncEngine(
                 return
             }
 
-            val leaseUntil = Instant.now().plusSeconds(SYNC_LOCK_LEASE_SECONDS)
+            var leaseUntil = Instant.now().plusSeconds(SYNC_LOCK_LEASE_SECONDS)
             val lockedAccessors = mutableListOf<IStorageAccessor>()
             try {
                 reportProgress(null, "Storage sync: group \"$groupId\" acquiring locks")
@@ -92,6 +92,12 @@ class StorageSyncEngine(
 
                 reportProgress(null, "Storage sync: group \"$groupId\" reading journals")
                 for ((journalIndex, storage) in storages.withIndex()) {
+                    leaseUntil = renewLocksIfNeeded(
+                        groupId = groupId,
+                        lockedAccessors = lockedAccessors,
+                        currentLeaseUntil = leaseUntil,
+                        reportProgress = reportProgress,
+                    ) ?: return
                     if (syncGeneration.get() != generationSnapshot) {
                         reportProgress(null, "Storage sync: group \"$groupId\" cancelled by newer run")
                         return
@@ -115,6 +121,12 @@ class StorageSyncEngine(
 
                 reportProgress(null, "Storage sync: group \"$groupId\" processing ${mergedEntries.size} entries")
                 for ((pathIndex, merged) in mergedEntries.withIndex()) {
+                    leaseUntil = renewLocksIfNeeded(
+                        groupId = groupId,
+                        lockedAccessors = lockedAccessors,
+                        currentLeaseUntil = leaseUntil,
+                        reportProgress = reportProgress,
+                    ) ?: return
                     val path = merged.key
                     val winnerEntry = merged.value
                     reportProgress(null, "Storage sync: group \"$groupId\" entry ${pathIndex + 1}/${mergedEntries.size}")
@@ -156,6 +168,30 @@ class StorageSyncEngine(
         }
     }
 
+    private suspend fun renewLocksIfNeeded(
+        groupId: String,
+        lockedAccessors: List<IStorageAccessor>,
+        currentLeaseUntil: Instant,
+        reportProgress: suspend (fraction: Float?, label: String?) -> Unit,
+    ): Instant? {
+        val now = Instant.now()
+        if (currentLeaseUntil.isAfter(now.plusSeconds(SYNC_LOCK_RENEW_MARGIN_SECONDS))) {
+            return currentLeaseUntil
+        }
+        val nextLeaseUntil = now.plusSeconds(SYNC_LOCK_LEASE_SECONDS)
+        reportProgress(null, "Storage sync: group \"$groupId\" renewing locks")
+        for (accessor in lockedAccessors) {
+            val renewed = runCatching {
+                accessor.tryAcquireSyncLock(holderId, nextLeaseUntil)
+            }.getOrElse { false }
+            if (!renewed) {
+                reportProgress(null, "Storage sync: group \"$groupId\" lock renewal failed")
+                return null
+            }
+        }
+        return nextLeaseUntil
+    }
+
     private fun resolveStorages(uuids: Set<UUID>): List<IStorage> {
         val byUuid = vaultsManager.allStorages.value.associateBy { it.uuid }
         return uuids.mapNotNull { byUuid[it] }
@@ -226,5 +262,6 @@ class StorageSyncEngine(
 
     private companion object {
         private const val SYNC_LOCK_LEASE_SECONDS: Long = 30 * 60
+        private const val SYNC_LOCK_RENEW_MARGIN_SECONDS: Long = 60
     }
 }

usecases/src/test/java/com/github/nullptroma/wallenc/usecases/StorageDomainUseCasesTest.kt

@@ -9,6 +9,7 @@ import com.github.nullptroma.wallenc.domain.interfaces.IDirectory
 import com.github.nullptroma.wallenc.domain.interfaces.IFile
 import com.github.nullptroma.wallenc.domain.interfaces.IStorage
 import com.github.nullptroma.wallenc.domain.interfaces.IStorageAccessor
+import com.github.nullptroma.wallenc.domain.interfaces.IMetaInfo
 import com.github.nullptroma.wallenc.domain.interfaces.IStorageMetaInfo
 import com.github.nullptroma.wallenc.domain.tasks.TaskProgress
 import kotlinx.coroutines.flow.Flow
@@ -184,7 +185,13 @@ private class FakeStorageAccessor : IStorageAccessor {
         return object : ByteArrayOutputStream() {
             override fun close() {
                 dataFiles[path] = toByteArray()
-                _filesUpdates.tryEmit(DataPage(list = emptyList(), pageLength = 1, pageIndex = 0))
+                _filesUpdates.tryEmit(
+                    DataPage(
+                        listOf(FakeFile(path)),
+                        pageLength = 1,
+                        pageIndex = 0,
+                    ),
+                )
             }
         }
     }
@@ -223,3 +230,13 @@ private class FakeStorageAccessor : IStorageAccessor {
 
     override suspend fun forceClearSyncLock() = Unit
 }
+
+private class FakeFile(path: String) : IFile {
+    override val metaInfo: IMetaInfo = object : IMetaInfo {
+        override val size: Long = 0L
+        override val isDeleted: Boolean = false
+        override val isHidden: Boolean = false
+        override val lastModified: Instant = Instant.now()
+        override val path: String = path
+    }
+}

vault-contracts/src/main/java/com/github/nullptroma/wallenc/vault/contract/VaultRegistrar.kt

@@ -16,4 +16,10 @@ interface VaultRegistrar {
 
     /** Удалить ранее зарегистрированный vault по идентификатору. */
     suspend fun unregister(vaultUuid: UUID)
+
+    /**
+     * Повторная попытка инициализации/подключения удалённого vault.
+     * Возвращает false, если vault не найден или не поддерживает retry.
+     */
+    suspend fun retry(vaultUuid: UUID): Boolean
 }