{
  "approach": "Create the missing module implementing the velocity dispersion function sampler based on the Choi et al. (2017) Schechter function. The test requires: 1) Function accepting alpha, beta, vd_star, vd_min, vd_max, size, resolution. 2) Returns samples within [vd_min, vd_max] of given size. 3) KS test passes with p_value > 0.01 against the analytically derived CDF.\n\nPlanner dropped nonexistent files: [\"skypy/galaxies/velocity_dispersion.py\"]",
  "files_to_edit": [],
  "finish_reason": "stop",
  "hypothesis": "The test expects a `schechter_vdf` function in `skypy/galaxies/velocity_dispersion.py`, but this module doesn't exist yet.",
  "retries": {},
  "usage": {
    "completion": 169,
    "prompt": 1980,
    "reasoning": 0
  }
}