Add headless macOS CLI workflow

Scripts/Import-Policies.ps1

@@ -0,0 +1,48 @@
+<#
+.SYNOPSIS
+Headless Intune policy import wrapper for macOS/Linux/Windows.
+#>
+[CmdletBinding()]
+param(
+    [Parameter(Mandatory = $true)]
+    [string]$TenantId,
+
+    [Parameter(Mandatory = $true)]
+    [string]$AppId,
+
+    [string]$Secret,
+
+    [string]$Certificate,
+
+    [Parameter(Mandatory = $true)]
+    [string]$ImportPath,
+
+    [string]$SettingsFile,
+
+    [string]$BatchFile,
+
+    [string]$NameFilter = "",
+
+    [ValidateSet("alwaysImport","skipIfExist","replace","replace_with_assignments","update")]
+    [string]$ImportType = "alwaysImport",
+
+    [string[]]$ObjectTypes = @(
+        "DeviceConfiguration",
+        "SettingsCatalog",
+        "AdministrativeTemplates",
+        "CompliancePolicies",
+        "EndpointSecurity",
+        "PolicySets"
+    ),
+
+    [switch]$IncludeAssignments,
+
+    [switch]$IncludeScopeTags,
+
+    [switch]$ReplaceDependencyIds
+)
+
+$modulePath = Join-Path (Split-Path -Parent $PSScriptRoot) "Headless/IntuneManagement.Headless.psd1"
+Import-Module $modulePath -Force
+
+Import-IntunePolicies @PSBoundParameters