add AvatarBase64

Author: jason

src/Infrastructure/BotSharp.Abstraction/Browsing/Models/ElementLocatingArgs.cs

@@ -36,4 +36,5 @@ public class ElementLocatingArgs
     /// </summary>
     public bool Highlight { get; set; }
     public string HighlightColor { get; set; } = "red";
+    public bool IsImage { get; set; }
 }

src/Plugins/BotSharp.Plugin.WebDriver/Drivers/PlaywrightDriver/PlaywrightWebDriver.LocateElement.cs

@@ -17,6 +17,18 @@ public async Task<BrowserActionResult> LocateElement(MessageInfo message, Elemen
         ILocator locator = page.Locator("body");
         int count = 0;
 
+        if (location.IsImage)
+        {
+            var handle = await page.QuerySelectorAsync("img");
+            byte[]? imageBytes = handle != null ? await handle.ScreenshotAsync() : null;
+            string? body = null;
+            if (imageBytes?.Any() == true)
+            {
+                body = Convert.ToBase64String(imageBytes);
+            }
+            return new BrowserActionResult { IsSuccess = true, Body = body };
+        }
+
         // check if selector is specified
         if (location.Selector != null)
         {