The Katalin Trap: When Cherry-Picking Training Data Fails
Cherry-picking training data for peak performance can trap agents in dead environments, while sliding window buffers help prevent self-training collapse.

Cherry-picking training data for peak performance can trap agents in dead environments, while sliding window buffers help prevent self-training collapse.

Cherry-picking training data for peak performance deletes behavioural variance and collapses agents; a sliding window buffer preserves generalisation.

Data selection for fine-tuning in a self-training loop: training on the best data collapsed in our 13-generation study, while recent data kept improving.