fix: add factor=28 to smart_resize in prepare_image for Qwen VL models

groundcua.py

@@ -22,16 +22,18 @@ For each function call, return a json object with function name and arguments wi
 # Default generation parameters
 DEFAULT_TEMPERATURE = 0.0
 DEFAULT_MAX_NEW_TOKENS = 64
+SMART_RESIZE_FACTOR = 28
 MIN_PIXELS = 78_400
 MAX_PIXELS = 6_000_000
 
 
-def prepare_image(image, min_pixels=MIN_PIXELS, max_pixels=MAX_PIXELS):
+def prepare_image(image, factor=SMART_RESIZE_FACTOR, min_pixels=MIN_PIXELS, max_pixels=MAX_PIXELS):
     """
     Resize image using smart_resize for optimal model performance.
     
     Args:
         image: PIL Image object
+        factor: Resize factor for smart_resize (default: 28)
         min_pixels: Minimum number of pixels (default: 78,400)
         max_pixels: Maximum number of pixels (default: 6,000,000)
     
@@ -42,7 +44,7 @@ def prepare_image(image, min_pixels=MIN_PIXELS, max_pixels=MAX_PIXELS):
     
     width, height = image.size
     resized_height, resized_width = smart_resize(
-        height, width, min_pixels=min_pixels, max_pixels=max_pixels
+        height, width, factor=factor, min_pixels=min_pixels, max_pixels=max_pixels
     )
     resized_image = image.resize((resized_width, resized_height))
     return resized_image, (resized_width, resized_height)