refactor(sync): перевёл журнал на map по пути и убрал цикл debounce-sync

Журнал хранится как словарь path→entry, служебные пути исключены из sync.
Apply пишет файлы без записи в журнал; bootstrap не триггерит sync во время работы.

domain/src/main/java/com/github/nullptroma/wallenc/domain/datatypes/StorageSyncJournal.kt

@@ -0,0 +1,59 @@
+package com.github.nullptroma.wallenc.domain.datatypes
+
+/** Журнал синхронизации: один актуальный [StorageSyncJournalEntry] на нормализованный путь. */
+typealias StorageSyncJournal = Map<String, StorageSyncJournalEntry>
+
+object StorageSyncPaths {
+    fun normalize(path: String): String = if (path.startsWith("/")) path else "/$path"
+
+    /**
+     * Пути, которые участвуют в sync и попадают в журнал при пользовательских операциях.
+     * Служебные каталоги, lock/journal/meta и файлы внутри *-enc-dir исключены.
+     */
+    fun isSyncableUserPath(path: String): Boolean {
+        val p = normalize(path)
+        if (p == "/" || p.isBlank()) return false
+        if (p == "/wallenc-yandex-system" || p.startsWith("/wallenc-yandex-system/")) return false
+        if (p.contains("-enc-dir/") || p.endsWith("-enc-dir")) return false
+        val name = p.substringAfterLast('/')
+        if (name == "sync-journal.json" || name == "sync-lock.json") return false
+        if (name.endsWith(".enc-meta") || name.endsWith(".storage-info")) return false
+        return true
+    }
+}
+
+object StorageSyncJournalMerge {
+    fun merge(into: StorageSyncJournal, entries: Map<String, StorageSyncJournalEntry>): StorageSyncJournal {
+        if (entries.isEmpty()) return into
+        val result = into.toMutableMap()
+        for ((rawPath, entry) in entries) {
+            val path = StorageSyncPaths.normalize(rawPath)
+            if (!StorageSyncPaths.isSyncableUserPath(path)) continue
+            val normalizedEntry = entry.copy(path = path)
+            val current = result[path]
+            if (current == null || compareEntries(normalizedEntry, current) > 0) {
+                result[path] = normalizedEntry
+            }
+        }
+        return result
+    }
+
+    fun merge(into: StorageSyncJournal, entry: StorageSyncJournalEntry): StorageSyncJournal =
+        merge(into, mapOf(entry.path to entry))
+
+    fun mergeAll(journals: Collection<StorageSyncJournal>): StorageSyncJournal {
+        var acc: StorageSyncJournal = emptyMap()
+        for (journal in journals) {
+            acc = merge(acc, journal)
+        }
+        return acc
+    }
+
+    private fun compareEntries(a: StorageSyncJournalEntry, b: StorageSyncJournalEntry): Int {
+        val seqCmp = a.revision.sequence.compareTo(b.revision.sequence)
+        if (seqCmp != 0) return seqCmp
+        val actorCmp = a.revision.actorId.compareTo(b.revision.actorId)
+        if (actorCmp != 0) return actorCmp
+        return a.revision.createdAt.compareTo(b.revision.createdAt)
+    }
+}

domain/src/main/java/com/github/nullptroma/wallenc/domain/interfaces/IStorageAccessor.kt

@@ -1,7 +1,7 @@
 package com.github.nullptroma.wallenc.domain.interfaces
 
 import com.github.nullptroma.wallenc.domain.datatypes.DataPage
-import com.github.nullptroma.wallenc.domain.datatypes.StorageSyncJournalEntry
+import com.github.nullptroma.wallenc.domain.datatypes.StorageSyncJournal
 import com.github.nullptroma.wallenc.domain.datatypes.StorageSyncLock
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharedFlow
@@ -40,7 +40,7 @@ interface IStorageAccessor {
     suspend fun touchFile(path: String)
     suspend fun touchDir(path: String)
     suspend fun delete(path: String)
-    suspend fun openWrite(path: String): OutputStream
+    suspend fun openWrite(path: String, recordSyncJournal: Boolean = true): OutputStream
     suspend fun openRead(path: String): InputStream
     suspend fun moveToTrash(path: String)
 
@@ -52,9 +52,8 @@ interface IStorageAccessor {
     suspend fun openReadSystemFile(name: String): InputStream
     suspend fun openWriteSystemFile(name: String): OutputStream
 
-    suspend fun readSyncJournal(): List<StorageSyncJournalEntry>
-    suspend fun appendSyncJournal(entries: List<StorageSyncJournalEntry>)
-    suspend fun rewriteSyncJournal(entries: List<StorageSyncJournalEntry>)
+    suspend fun readSyncJournal(): StorageSyncJournal
+    suspend fun putSyncJournalEntries(entries: StorageSyncJournal)
 
     suspend fun readSyncLock(): StorageSyncLock?
     suspend fun tryAcquireSyncLock(holderId: String, leaseUntil: Instant): Boolean