{
  "seed": 42,
  "n_train": 1000,
  "n_eval": 50,
  "total_scanned": 272600,
  "usable_after_filter": 3150,
  "min_words": 10,
  "max_words": 60,
  "system_prompt": "You are a fiction writer. Write a complete short story of 200-500 words responding to the writing prompt.\nWrite only the story: no title, no preamble, no commentary, no author's note.\nFinish inside the word budget. The story must reach a real ending, not stop mid-scene."
}