feat add viewport 1200X800 (#37)

adding support in cli for viewport 1200x800

## Tested 

Works with flag `--viewport`
<img width="818" height="141" alt="image"
src="https://github.com/user-attachments/assets/14a49e8e-e0f1-4fc5-9846-e1e1bf1409b2"
/>

Works with flag `--viewport-interactive`
<img width="928" height="157" alt="image"
src="https://github.com/user-attachments/assets/d0bf703b-a472-4b2b-b1f5-f7f0138f8cb6"
/>

works on dashboard /browsers
<img width="1624" height="829" alt="image"
src="https://github.com/user-attachments/assets/a59c0966-2ec2-45c0-9145-622088e8bd60"
/>

Author: mateoCuervo

cmd/browsers.go

@@ -107,6 +107,7 @@ func getAvailableViewports() []string {
 		"1920x1200@25",
 		"1440x900@25",
 		"1024x768@60",
+		"1200x800@60",
 	}
 }
 
@@ -2013,7 +2014,7 @@ func init() {
 	browsersCreateCmd.Flags().Bool("save-changes", false, "If set, save changes back to the profile when the session ends")
 	browsersCreateCmd.Flags().String("proxy-id", "", "Proxy ID to use for the browser session")
 	browsersCreateCmd.Flags().StringSlice("extension", []string{}, "Extension IDs or names to load (repeatable; may be passed multiple times or comma-separated)")
-	browsersCreateCmd.Flags().String("viewport", "", "Browser viewport size (e.g., 1920x1080@25). Supported: 2560x1440@10, 1920x1080@25, 1920x1200@25, 1440x900@25, 1024x768@60")
+	browsersCreateCmd.Flags().String("viewport", "", "Browser viewport size (e.g., 1920x1080@25). Supported: 2560x1440@10, 1920x1080@25, 1920x1200@25, 1440x900@25, 1024x768@60, 1200x800@60")
 	browsersCreateCmd.Flags().Bool("viewport-interactive", false, "Interactively select viewport size from list")
 
 	// Add flags for delete command

cmd/browsers_test.go

@@ -1079,11 +1079,12 @@ func TestParseViewport_InvalidFormats(t *testing.T) {
 
 func TestGetAvailableViewports_ReturnsExpectedOptions(t *testing.T) {
 	viewports := getAvailableViewports()
-	assert.Len(t, viewports, 5)
+	assert.Len(t, viewports, 6)
 	assert.Contains(t, viewports, "2560x1440@10")
 	assert.Contains(t, viewports, "1920x1080@25")
 	assert.Contains(t, viewports, "1920x1200@25")
 	assert.Contains(t, viewports, "1440x900@25")
+	assert.Contains(t, viewports, "1200x800@60")
 	assert.Contains(t, viewports, "1024x768@60")
 }