Fix cmdlet name conflict by renaming Upgrade-OPNSenseFirmware to Start-OPNSenseFirmwareUpgrade

output/PSOPNSenseAPI/PSOPNSenseAPI.psd1

@@ -102,10 +102,12 @@
         'Set-OPNSenseVLAN',
         'Uninstall-OPNSensePlugin',
         'Update-OPNSenseFirmware',
-        'Upgrade-OPNSenseFirmware'
+        'Start-OPNSenseFirmwareUpgrade'
     )
     VariablesToExport = @()
     AliasesToExport = @()
+    RequiredAssemblies = @('lib\System.Net.IPNetwork.dll', 'lib\Newtonsoft.Json.dll')
+    NestedModules = @('lib\PSOPNSenseAPI.dll')
     PrivateData = @{
         PSData = @{
             Tags = @('PowerShell', 'OPNSense', 'Firewall', 'API')

output/PSOPNSenseAPI/PSOPNSenseAPI.psm1

@@ -1,13 +1,2 @@
-# Load the main assembly directly
-$mainDllPath = Join-Path $PSScriptRoot "lib\PSOPNSenseAPI.dll"
-
-Write-Verbose "Loading assembly from $mainDllPath"
-
-try {
-    Add-Type -Path $mainDllPath
-    Write-Verbose "Successfully loaded assembly from $mainDllPath"
-} catch {
-    $errorMessage = $_.Exception.Message
-    Write-Error "Failed to load assembly from $($mainDllPath): $($errorMessage)"
-    throw
-}
+# This file is intentionally empty.
+# The module uses NestedModules in the PSD1 file to load the assemblies.