Detect, Remask, Repair: Diffusion Editing for Faithful Summarization of Evolving Contexts

In three linesLocalized repair method for outdated summaries: DETECT-REMASK-REPAIR uses masked diffusion to identify and fix unsupported claims in existing summaries without full regeneration. StreamSum benchmark introduced. Experiments on DialogSum show faithfulness improvement and repair in <0.5s.

Summary generated by Claude — human-verified