Fix spell check bottom exclusion: Add 115mm exclusion to fallback spell check

app.py

@@ -709,13 +709,24 @@ def find_misspell_boxes_from_text(
             
             if misspelled_words:
                 # Create a placeholder box for the page
-                boxes.append(Box(
+                placeholder_box = Box(
                     y1=page_num * 1000,
                     x1=0,
                     y2=(page_num + 1) * 1000,
                     x2=800,
                     area=800 * 1000
-                ))
+                )
+                
+                # Skip if the placeholder box is in the excluded bottom area
+                if image_size:
+                    img_height = image_size[1]
+                    if _is_in_excluded_bottom_area(placeholder_box, img_height):
+                        continue
+                else:
+                    if _is_in_excluded_bottom_area(placeholder_box, 1000):
+                        continue
+                
+                boxes.append(placeholder_box)
     
     return boxes