Backup history fix

composeApp/src/jvmMain/kotlin/com/rukira/wowbackup/backup/BackupHistory.kt

@@ -36,6 +36,17 @@ object BackupHistory {
         return entries.sortedByDescending { it.timestamp }
     }
 
+    /**
+     * Returns the file count for a backup entry without computing its full size.
+     */
+    fun fileCount(entry: BackupEntry): Int {
+        return if (entry.isCompressed) {
+            java.util.zip.ZipFile(entry.path).use { it.size() }
+        } else {
+            entry.path.walkTopDown().count { it.isFile }
+        }
+    }
+
     /**
      * Deletes old backups that exceed the given max count.
      */

composeApp/src/jvmMain/kotlin/com/rukira/wowbackup/backup/BackupScheduler.kt

@@ -64,6 +64,27 @@ object BackupScheduler {
                     return@collect
                 }
 
+                // On first config emission, restore last backup info from disk
+                if (_state.value.lastBackupTime == null && config.backupPath != null) {
+                    val backups = BackupHistory.listBackups(File(config.backupPath))
+                    if (backups.isNotEmpty()) {
+                        val latest = backups.first()
+                        val fileCount = BackupHistory.fileCount(latest)
+                        _state.update {
+                            it.copy(
+                                lastBackupTime = latest.timestamp,
+                                lastBackupResult = BackupResult.Success(
+                                    backupPath = latest.path,
+                                    fileCount = fileCount,
+                                    sizeBytes = latest.sizeBytes,
+                                    durationMs = 0,
+                                ),
+                            )
+                        }
+                        logger.info { "Restored last backup info from disk: ${latest.path.name} ($fileCount files)" }
+                    }
+                }
+
                 val tz = TimeZone.currentSystemDefault()
                 val targetTime = config.backupTimeOfDay
                 logger.info { "Scheduling daily backup at $targetTime ($tz)" }