chore: validate log-level input handling in integration workflow

Agent-Logs-Url: https://github.com/Azure/apiops-cli/sessions/08964b6c-4c8a-4dda-bcb9-17322e0e16bb

Co-authored-by: EMaher <9244742+EMaher@users.noreply.github.com>

Author: Copilot

.github/workflows/integration-test.yml

@@ -42,13 +42,9 @@ on:
         type: string
         default: 'centralus'
       log_level:
-        description: 'PowerShell log level'
+        description: 'PowerShell log level (Info, Verbose, Debug)'
         required: false
-        type: choice
-        options:
-          - Info
-          - Verbose
-          - Debug
+        type: string
         default: Verbose
       skip_teardown:
         description: 'Skip teardown (for debugging)'
@@ -69,7 +65,7 @@ on:
         type: string
         default: 'centralus'
       log_level:
-        description: 'PowerShell log level'
+        description: 'PowerShell log level (Info, Verbose, Debug)'
         required: false
         type: string
         default: Verbose
@@ -128,12 +124,18 @@ jobs:
         shell: pwsh
         run: |
           $skipTeardown = '${{ inputs.skip_teardown }}' -eq 'true'
+          $logLevel = '${{ inputs.log_level }}'
+          if ([string]::IsNullOrWhiteSpace($logLevel)) { $logLevel = 'Verbose' }
+          if ($logLevel -notin @('Info', 'Verbose', 'Debug')) {
+            throw "Invalid log_level '$logLevel'. Allowed values: Info, Verbose, Debug."
+          }
+
           $params = @{
             SourceResourceGroup = '${{ env.SOURCE_RG }}'
             TargetResourceGroup = '${{ env.TARGET_RG }}'
             SkuName            = '${{ inputs.sku }}'
             Location           = '${{ inputs.location }}'
-            LogLevel           = '${{ inputs.log_level }}'
+            LogLevel           = $logLevel
             PublisherEmail     = '${{ secrets.APIM_PUBLISHER_EMAIL }}'
             ExtractOutputDir   = './extracted-artifacts'
             HardDelete         = $true