Update logic for arguments

scripts/powershell/create-new-feature.ps1

@@ -4,38 +4,38 @@
 param(
     [switch]$Json,
     [string]$ShortName,
+    [switch]$Help,
     [Parameter(ValueFromRemainingArguments = $true)]
     [string[]]$FeatureDescription
 )
 $ErrorActionPreference = 'Stop'
 
-# Show help if requested or no description provided
-if (($FeatureDescription -contains '--help') -or ($FeatureDescription -contains '-h') -or 
-    (-not $FeatureDescription) -or ($FeatureDescription.Count -eq 0)) {
-    
-    if (($FeatureDescription -contains '--help') -or ($FeatureDescription -contains '-h')) {
-        Write-Host "Usage: ./create-new-feature.ps1 [-Json] [-ShortName <name>] <feature description>"
-        Write-Host ""
-        Write-Host "Options:"
-        Write-Host "  -Json               Output in JSON format"
-        Write-Host "  -ShortName <name>   Provide a custom short name (2-4 words) for the branch"
-        Write-Host "  -h, --help          Show this help message"
-        Write-Host ""
-        Write-Host "Examples:"
-        Write-Host "  ./create-new-feature.ps1 'Add user authentication system' -ShortName 'user-auth'"
-        Write-Host "  ./create-new-feature.ps1 'Implement OAuth2 integration for API'"
-        exit 0
-    } else {
-        Write-Error "Usage: ./create-new-feature.ps1 [-Json] [-ShortName <name>] <feature description>"
-        exit 1
-    }
+# Show help if requested
+if ($Help) {
+    Write-Host "Usage: ./create-new-feature.ps1 [-Json] [-ShortName <name>] <feature description>"
+    Write-Host ""
+    Write-Host "Options:"
+    Write-Host "  -Json               Output in JSON format"
+    Write-Host "  -ShortName <name>   Provide a custom short name (2-4 words) for the branch"
+    Write-Host "  -Help               Show this help message"
+    Write-Host ""
+    Write-Host "Examples:"
+    Write-Host "  ./create-new-feature.ps1 'Add user authentication system' -ShortName 'user-auth'"
+    Write-Host "  ./create-new-feature.ps1 'Implement OAuth2 integration for API'"
+    exit 0
+}
+
+# Check if feature description provided
+if (-not $FeatureDescription -or $FeatureDescription.Count -eq 0) {
+    Write-Error "Usage: ./create-new-feature.ps1 [-Json] [-ShortName <name>] <feature description>"
+    exit 1
 }
 
 $featureDesc = ($FeatureDescription -join ' ').Trim()
 
 # Resolve repository root. Prefer git information when available, but fall back
 # to searching for repository markers so the workflow still functions in repositories that
-# were initialised with --no-git.
+# were initialized with --no-git.
 function Find-RepositoryRoot {
     param(
         [string]$StartDir,