{
 "question": "does the object/arrangement spectrum shift with depth",
 "arm": "head-free, pool-mean centred cosine on raw states",
 "control": "L47 must reproduce sugarcrepe_diagnostic_20260806.json sep: swap_obj 0.396, replace_obj 0.582, swap_att 0.498, replace_rel 0.485",
 "sep_note": "sep = mean cos(positive, negative caption), lower is better separated",
 "backbone": "google/gemma-4-31B-it",
 "layers": [
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  12,
  20,
  28,
  36,
  44,
  47,
  54,
  60
 ],
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}