What's Changed

• Sets inversion in recognizer input to previous implementation
• Correct cosine LR schedule in rotrain
• validates more metadata during model loading
• fixes hybrid neural reading order computation
• Makes _merge_segmentations() work with bounding box segmentations
• Corrects ketos segtest class indices and makes F1 score macro as precision/recall.
• Sets metrics in user_metadata field of the checkpoint
• pageseg.segment() now always returns a Segmentation object
• Allows setting seed to 0 instead of treating it as a random seed request.