{
 "health": {
  "status": "ok",
  "checkpoint": {
   "step": 450,
   "dev_loss": 0.2941
  }
 },
 "test_stories": 60,
 "served_equals_direct": 60,
 "greedy_story_checks": {
  "well_formed": 57,
  "keeps_color_and_object": 35
 },
 "test_loss": 0.2628,
 "fresh_set": {
  "seed": 2027,
  "generated": 60,
  "duplicates_removed": 8,
  "stories": 52,
  "test_loss": 0.3172,
  "greedy_story_checks": {
   "well_formed": 43,
   "keeps_color_and_object": 25
  },
  "color_recall": {
   "correct": 25,
   "total": 52
  }
 },
 "color_recall_test": {
  "correct": 36,
  "total": 60
 },
 "error_cases": [
  {
   "case": "not JSON",
   "status": 400,
   "error": "body must be a JSON object"
  },
  {
   "case": "missing prompt",
   "status": 400,
   "error": "missing field: prompt"
  },
  {
   "case": "unknown field",
   "status": 400,
   "error": "unknown fields: ['top_p']"
  },
  {
   "case": "temperature as text",
   "status": 400,
   "error": "field temperature has the wrong type"
  },
  {
   "case": "negative temperature",
   "status": 400,
   "error": "temperature must be 0 or a finite number >= 0.01, got -1"
  },
  {
   "case": "max_new_tokens too large",
   "status": 400,
   "error": "max_new_tokens must be from 1 to 64"
  },
  {
   "case": "empty prompt",
   "status": 400,
   "error": "empty prompt: the model needs at least one token to continue"
  },
  {
   "case": "body over the size limit",
   "status": 413,
   "error": "body larger than 4096 bytes"
  },
  {
   "case": "unknown route",
   "status": 404,
   "error": "no route /models"
  }
 ]
}