{
  "metrics": {
    "bpd_val": 2.6107561223037,
    "bpd_per_tier": {
      "0": 2.2038232899707055,
      "1": 2.3735981695328294,
      "2": 2.6973096096747566,
      "3": 3.006890315533517
    },
    "bpd_tier_ge1": 2.656977891677827,
    "n": 2000,
    "delta_c": 0.24781480995112007,
    "caption_swap_win_frac": 0.25,
    "b0_bpd": 6.28435796590519,
    "tree": {
      "visible_cut_f1": 0.7648812746568768,
      "leaf_ari": 0.5688396790527814,
      "recall_per_tier": {
        "0": 0.19008264462809918,
        "3": 0.4357142857142857,
        "1": 0.20238095238095238,
        "2": 0.22413333333333335
      },
      "recall_tier1": 0.20238095238095238,
      "recall_tier2": 0.22413333333333335
    },
    "prompt_swap": {
      "per_pair": {
        "a red circle -> a blue circle": 0.0625,
        "a green square -> a purple square": 0.015625,
        "a yellow diamond -> a cyan diamond": 0.921875,
        "an orange ring -> a magenta ring": 0.078125,
        "a red circle to the left of a blue square -> a red circle to the right of a blue square": 0.0,
        "a green circle above a yellow square -> a green circle below a yellow square": 0.0,
        "a small purple square -> a large purple square": 1.0,
        "a red circle -> a red square": 0.15625
      },
      "attribute_move": 0.3723958333333333,
      "relation_accuracy": 0.0
    },
    "holdout_probe_acc": 0.01171875,
    "heldout_per_combo": {
      "a blue triangle": 0.03125,
      "a red ring": 0.015625,
      "a green star": 0.0,
      "a yellow cross": 0.0
    },
    "health": {
      "S": 1024,
      "T_v": 256,
      "s_eff": 968.4937738012005,
      "alive_texel_frac": 0.4296875,
      "node_entropy": 0.13297630846500397
    }
  },
  "gates": {
    "1_likelihood": {
      "status": "PASS",
      "detail": "bpd(tier>=1)=2.657 vs B0=6.284 (need margin >= 0.15); delta_c=0.248 (need >= 0.05)"
    },
    "2_parses": {
      "status": "FAIL",
      "detail": "recall t1=0.20 (>= 0.7), t2=0.22 (>= 0.5), cut F1=0.76 (>= 0.6)"
    },
    "3_prompt_control": {
      "status": "FAIL",
      "detail": "attribute-move=0.37 (>= 0.8), relation=0.00 (>= 0.7)"
    },
    "4_compositional": {
      "status": "FAIL",
      "detail": "held-out combo probe acc=0.01 (>= 0.6)"
    },
    "5_health": {
      "status": "FAIL",
      "detail": "S_eff=968 (>= 256), alive texels=43% (>= 50%)"
    }
  }
}