We built this dataset to train models to turn long reasoning/work traces into short structured summaries. Each example has a verbose trace in input and a compact JSON summary in output. The summary is shaped like the kind of progress update we want a model to produce while it is working: a title, a subtitle, a short summary, and the current task. The dataset is JSONL with 43,734 rows. The rows are ordered from longest to shortest so long-context… See the full description on the dataset page: https://huggingface.co/datasets/Qyrou/agentic-reasoning-trace-summaries-40k.