Add ImageGenerationAction parameter to Request-Response function

Author: mkht

Docs/Request-Response.md

@@ -693,6 +693,16 @@ Required: False
 Position: Named
 ```
 
+### -ImageGenerationAction
+Whether to generate a new image or edit an existing image. Default: `auto`.
+
+```yaml
+Type: String
+Required: False
+Position: Named
+Default value: auto
+```
+
 ### -ImageGenerationBackGround
 Background type for the generated image. One of `transparent`, `opaque`, or `auto`
 

Public/Responses/Request-Response.ps1

@@ -282,9 +282,13 @@ function Request-Response {
         [string]$ImageGenerationType = 'image_generation', # Always 'image_generation'
 
         [Parameter()]
-        [Completions('gpt-image-1', 'gpt-image-1-mini')]
+        [Completions('gpt-image-1', 'gpt-image-1-mini', 'gpt-image-1.5')]
         [string]$ImageGenerationModel,
 
+        [Parameter()]
+        [Completions('generate', 'edit', 'auto')]
+        [string]$ImageGenerationAction = 'auto',
+
         [Parameter()]
         [Completions('transparent', 'opaque', 'auto')]
         [string]$ImageGenerationBackGround = 'auto',
@@ -909,6 +913,9 @@ function Request-Response {
             if ($PSBoundParameters.ContainsKey('ImageGenerationModel')) {
                 $ImageGenerationTool.model = $ImageGenerationModel
             }
+            if ($PSBoundParameters.ContainsKey('ImageGenerationAction')) {
+                $ImageGenerationTool.action = $ImageGenerationAction
+            }
             if ($PSBoundParameters.ContainsKey('ImageGenerationBackGround')) {
                 $ImageGenerationTool.background = $ImageGenerationBackGround
             }