{
  "experiment": "A72 continuous lambda sweep",
  "protocol": {
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    "source_a67": "/home/jiachen/TRELLIS/experiments/nonorthogonal_gpt_orthoview/outputs/data_survey/vggt_spatial_adapter/support_guidance_a67_per_region_vertex_damping_audit/analysis.json",
    "source_a68": "/home/jiachen/TRELLIS/experiments/nonorthogonal_gpt_orthoview/outputs/data_survey/vggt_spatial_adapter/support_guidance_a68_adaptive_lambda_router_audit/analysis.json",
    "source_a71": "/home/jiachen/TRELLIS/experiments/nonorthogonal_gpt_orthoview/outputs/data_survey/vggt_spatial_adapter/support_guidance_a71_same_evaluator_adaptive_router_audit/analysis.json",
    "type": "same-topology carrier-to-policy interpolation",
    "selection_uses_gt": false,
    "oracle_validation_uses_gt": true,
    "lambda_grid": [
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      0.125,
      0.25,
      0.375,
      0.5,
      0.625,
      0.75,
      0.875,
      1.0,
      1.125,
      1.25
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    "samples": 16000,
    "seed": 72,
    "limitation": "This scans one global strength on top of the A68-selected policy mesh; it is not yet a learned per-region lambda predictor or sampler-time generation."
  },
  "aggregate": {
    "active_case_count": 3,
    "ten_case_count": 10,
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      0.75,
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      1.125,
      1.25
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    "samples": 16000,
    "hard_active_cases_with_joint_headroom": 2,
    "hard_active_cases_with_chamfer_headroom": 3,
    "hard_active_cases_with_fscore_headroom": 1,
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    "recommended_next_signal": "Continuous lambda has useful oracle headroom only if oracle_joint beats hard and approaches/exceeds A53; otherwise learn richer per-region lambda, not global strength."
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      "joint_score": 0.00025070178353872266,
      "mean_move": 0.00019038664083027257,
      "p95_move": 0.00046875435347979545,
      "visible_abs_delta_proxy": 0.0001990508603355503,
      "region_abs_delta_spread_proxy": 0.00022746350669733813,
      "coverage_proxy_safe": 1.0,
      "watertight": true,
      "faces": 827994,
      "vertices": 413999,
      "boundary_edges": 0,
      "nonmanifold_edges": 0,
      "components": 1
    }
  ],
  "conclusion": [
    "A72 tests whether continuous lambda strength has real headroom before training a predictor.",
    "The sweep preserves topology because each active case is same-topology carrier-to-policy interpolation.",
    "If oracle lambdas improve over hard lambda=1, continuous strength is worth learning; if proxy selection fails, richer signals are required."
  ]
}