feat: deploy patch for MaxBackupDays default (2.0.13-SAC)

Add deploy-time patch when login_monitor.settings.ps1 lacks MaxBackupDays,
enable the setting in example, and remove duplicate default in Login_Monitor.ps1.

Co-authored-by: Cursor <cursoragent@cursor.com>

Deploy-LoginMonitor.ps1

@@ -634,9 +634,55 @@ function Invoke-RdpMonitorSettingsPostPatches {
     if (Sync-RdpMonitorSettingsExchangeNoisePatches -LocalSettings $LocalSettings) { $changed = $true }
     if (Repair-RdpMonitorSettingsWinRmLinesIfInvalid -LocalSettings $LocalSettings) { $changed = $true }
     if (Sync-RdpMonitorSettingsWinRmInboundBlock -LocalSettings $LocalSettings) { $changed = $true }
+    if (Sync-RdpMonitorSettingsMaxBackupDaysIfMissing -LocalSettings $LocalSettings) { $changed = $true }
     return $changed
 }
 
+function Test-RdpMonitorSettingsNeedsMaxBackupDays {
+    param([string]$SettingsPath)
+    if (-not (Test-Path -LiteralPath $SettingsPath)) { return $false }
+    $c = Get-RdpMonitorSettingsRaw -Path $SettingsPath
+    if ([string]::IsNullOrWhiteSpace($c)) { return $true }
+    return ($c -notmatch '(?m)^\s*\$MaxBackupDays\s*=')
+}
+
+function Sync-RdpMonitorSettingsMaxBackupDaysIfMissing {
+    param([string]$LocalSettings)
+
+    if (-not (Test-RdpMonitorSettingsNeedsMaxBackupDays -SettingsPath $LocalSettings)) {
+        return $false
+    }
+
+    $c = Get-RdpMonitorSettingsRaw -Path $LocalSettings
+    $block = @(
+        '# --- Ротация login_monitor.log и хранение бэкапов (Logs\Backup\LoginLog_*.bak) ---'
+        '# $LogRotationHour = 0'
+        '# $LogRotationMinute = 0'
+        '$MaxBackupDays = 31'
+    ) -join "`r`n"
+
+    $bak = "$LocalSettings.bak.$(Get-Date -Format 'yyyyMMdd_HHmmss')"
+    if (Test-Path -LiteralPath $LocalSettings) {
+        Copy-Item -LiteralPath $LocalSettings -Destination $bak -Force
+        Write-DeployLog "Добавление `$MaxBackupDays в login_monitor.settings.ps1; резервная копия: $bak"
+    } else {
+        Write-DeployLog "Создание login_monitor.settings.ps1 с `$MaxBackupDays = 31"
+    }
+
+    $insertBefore4740 = '(?m)^\s*#\s*---\s*Блокировка учётной записи AD'
+    if (-not [string]::IsNullOrWhiteSpace($c) -and $c -match $insertBefore4740) {
+        $newContent = [regex]::Replace($c, $insertBefore4740, ($block + "`r`n`r`n" + '$0'), 1)
+    } elseif (-not [string]::IsNullOrWhiteSpace($c)) {
+        $newContent = ($c.TrimEnd() + "`r`n`r`n" + $block + "`r`n")
+    } else {
+        $newContent = ($block + "`r`n")
+    }
+
+    [System.IO.File]::WriteAllText($LocalSettings, $newContent.TrimEnd() + "`r`n", $Utf8Bom)
+    Write-DeployLog "login_monitor.settings.ps1: добавлен `$MaxBackupDays = 31"
+    return $true
+}
+
 function Update-RdpMonitorSettingsServerDisplayNameHintIfMissing {
     param([string]$LocalSettings)
     if (-not (Test-Path -LiteralPath $LocalSettings)) { return $false }

Login_Monitor.ps1

@@ -89,12 +89,11 @@ $script:SkipLogDetailLimit = 15
 # строки ниже, если правки «мелкие» и вы не хотите менять отображаемую версию в логах).
 # Рекомендация: при значимых релизах меняйте и $ScriptVersion, и version.txt одинаково; при только
 # исправлениях на шаре — достаточно поднять patch в version.txt (например 1.3.0.1).
-$ScriptVersion = "2.0.12-SAC"
+$ScriptVersion = "2.0.13-SAC"
 
 # Логи (все под InstallRoot)
 $LogFile = Join-Path $script:InstallRoot "Logs\login_monitor.log"
 $LogBackupFolder = Join-Path $script:InstallRoot "Logs\Backup"
-$MaxBackupDays = 31
 
 # Ротация login_monitor.log (ежедневно в указанное локальное время) и срок хранения бэкапов LoginLog_*.bak
 $LogRotationHour = 0

login_monitor.settings.example.ps1

@@ -64,7 +64,7 @@ ${Ignore4624-LT3-EmptyIP-Event} = $false
 # --- Ротация login_monitor.log и хранение бэкапов (Logs\Backup\LoginLog_*.bak) ---
 # $LogRotationHour = 0
 # $LogRotationMinute = 0
-# $MaxBackupDays = 31
+$MaxBackupDays = 31
 
 # --- Блокировка учётной записи AD (4740) + IP из IIS ActiveSync ---
 # Мониторинг включается только на КД с именем $LockoutMonitorDomainController.

version.txt

@@ -1 +1 @@
-2.0.12-SAC
+2.0.13-SAC