{
  "experiment": "A31 surface router 10-case",
  "protocol": {
    "case_count": 10,
    "selection_uses_gt": false,
    "retrospective_validation_uses_gt": true,
    "resolution": 80,
    "render_sample_count": 26000,
    "surface_sample_count": 8000,
    "source": [
      "/home/jiachen/TRELLIS/experiments/nonorthogonal_gpt_orthoview/outputs/data_survey/vggt_spatial_adapter/support_guidance_a23_vggt_depth_normal_gate/analysis.json",
      "/home/jiachen/TRELLIS/experiments/nonorthogonal_gpt_orthoview/outputs/data_survey/vggt_spatial_adapter/support_guidance_a24_calibrated_vggt_geometry_gate/analysis.json",
      "/home/jiachen/TRELLIS/experiments/nonorthogonal_gpt_orthoview/outputs/data_survey/vggt_spatial_adapter/support_guidance_a27_per_view_depth_lock_taxonomy/analysis.json"
    ]
  },
  "surface_router": {
    "rule": [
      "reject repair if surface_conflict_ratio > 0.42",
      "reject repair if mean_surface_delta > 0.010",
      "reject repair if improved_ratio < 0.22 and conflict_ratio > 0.25",
      "otherwise accept if surface score > -0.05"
    ],
    "score": "surface_improved - surface_conflict - 0.6*positive(mean_surface_delta) + 0.2*surface_neutral"
  },
  "case_rows": [
    {
      "case_id": "gso_000_input4",
      "a23_gate_pass": true,
      "a23_reasons": [],
      "baseline_vggt_depth_abs": 0.07822652512290586,
      "repair_vggt_depth_abs": 0.05492527576688127,
      "vggt_depth_delta": -0.023301249356024588,
      "baseline_vggt_normal_cos": 0.5103043351185093,
      "repair_vggt_normal_cos": 0.5078917697843699,
      "vggt_normal_delta": -0.0024125653341393605,
      "repair_chamfer_delta": -0.0016002673265472361,
      "repair_fscore_delta": 0.020201391245642297,
      "a20_gate_pass": true,
      "a22_gate_pass": false,
      "a22_depth_delta": 0.007391767414628547,
      "a22_normal_delta": -0.013825665494527684,
      "surface_improved_ratio": 0.480125,
      "surface_conflict_ratio": 0.1295,
      "surface_neutral_ratio": 0.135125,
      "unobserved_closable_ratio": 0.25525,
      "mean_surface_delta": -0.021444627710387028,
      "observed_sample_ratio": 0.74475,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": 0.37765000000000004
    },
    {
      "case_id": "gso_001_input4",
      "a23_gate_pass": false,
      "a23_reasons": [
        "A20 2D visible-safe gate rejects repair"
      ],
      "baseline_vggt_depth_abs": 0.03683917366756106,
      "repair_vggt_depth_abs": 0.036637875485571826,
      "vggt_depth_delta": -0.00020129818198923177,
      "baseline_vggt_normal_cos": 0.40446338076906047,
      "repair_vggt_normal_cos": 0.4013240805978293,
      "vggt_normal_delta": -0.003139300171231152,
      "repair_chamfer_delta": -0.001045166984858209,
      "repair_fscore_delta": 0.008192576578199828,
      "a20_gate_pass": false,
      "a22_gate_pass": false,
      "a22_depth_delta": -0.00158784850812288,
      "a22_normal_delta": -0.0008771048744831145,
      "surface_improved_ratio": 0.029375,
      "surface_conflict_ratio": 0.047,
      "surface_neutral_ratio": 0.923625,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 8.20123905697565e-06,
      "observed_sample_ratio": 1.0,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": 0.16709507925656583
    },
    {
      "case_id": "gso_002_input4",
      "a23_gate_pass": false,
      "a23_reasons": [
        "repair worsens VGGT normal"
      ],
      "baseline_vggt_depth_abs": 0.088961549693914,
      "repair_vggt_depth_abs": 0.08240492391476201,
      "vggt_depth_delta": -0.006556625779151989,
      "baseline_vggt_normal_cos": 0.6944414359661961,
      "repair_vggt_normal_cos": 0.6225410975680993,
      "vggt_normal_delta": -0.07190033839809684,
      "repair_chamfer_delta": -0.0037696123996934366,
      "repair_fscore_delta": 0.05019047689891232,
      "a20_gate_pass": true,
      "a22_gate_pass": true,
      "a22_depth_delta": -0.08819828232592108,
      "a22_normal_delta": 0.09199490967358526,
      "surface_improved_ratio": 0.664,
      "surface_conflict_ratio": 0.18625,
      "surface_neutral_ratio": 0.137875,
      "unobserved_closable_ratio": 0.011875,
      "mean_surface_delta": -0.027891324660578733,
      "observed_sample_ratio": 0.988125,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": 0.505325
    },
    {
      "case_id": "gso_003_input4",
      "a23_gate_pass": false,
      "a23_reasons": [
        "A20 2D visible-safe gate rejects repair"
      ],
      "baseline_vggt_depth_abs": 0.02542845047884705,
      "repair_vggt_depth_abs": 0.02736062141691707,
      "vggt_depth_delta": 0.001932170938070018,
      "baseline_vggt_normal_cos": 0.5477313278339885,
      "repair_vggt_normal_cos": 0.5451882973784754,
      "vggt_normal_delta": -0.0025430304555130734,
      "repair_chamfer_delta": -5.346100479804161e-05,
      "repair_fscore_delta": -0.00408898302012628,
      "a20_gate_pass": false,
      "a22_gate_pass": false,
      "a22_depth_delta": 0.003413408634228454,
      "a22_normal_delta": -0.00018827032491142148,
      "surface_improved_ratio": 0.1505,
      "surface_conflict_ratio": 0.17675,
      "surface_neutral_ratio": 0.67275,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 0.0024767620701546178,
      "observed_sample_ratio": 1.0,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": 0.10681394275790723
    },
    {
      "case_id": "gso_004_input4",
      "a23_gate_pass": false,
      "a23_reasons": [
        "A20 2D visible-safe gate rejects repair"
      ],
      "baseline_vggt_depth_abs": 0.036507555593529376,
      "repair_vggt_depth_abs": 0.03641258177248894,
      "vggt_depth_delta": -9.497382104043522e-05,
      "baseline_vggt_normal_cos": 0.48838004316319084,
      "repair_vggt_normal_cos": 0.48648510240976844,
      "vggt_normal_delta": -0.0018949407534223917,
      "repair_chamfer_delta": -0.0004085061507806548,
      "repair_fscore_delta": 0.0031664391494636845,
      "a20_gate_pass": false,
      "a22_gate_pass": false,
      "a22_depth_delta": 2.085779250926567e-05,
      "a22_normal_delta": 0.0020372160355901503,
      "surface_improved_ratio": 0.010625,
      "surface_conflict_ratio": 0.019375,
      "surface_neutral_ratio": 0.97,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 0.0003624916151452762,
      "observed_sample_ratio": 1.0,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": 0.18503250503091284
    },
    {
      "case_id": "gso_005_input4",
      "a23_gate_pass": false,
      "a23_reasons": [
        "A20 2D visible-safe gate rejects repair"
      ],
      "baseline_vggt_depth_abs": 0.007071723894162779,
      "repair_vggt_depth_abs": 0.00714954977624967,
      "vggt_depth_delta": 7.782588208689149e-05,
      "baseline_vggt_normal_cos": 0.2584339645673152,
      "repair_vggt_normal_cos": 0.2595684927006338,
      "vggt_normal_delta": 0.001134528133318602,
      "repair_chamfer_delta": 0.0011923527629486702,
      "repair_fscore_delta": -0.007935875846827256,
      "a20_gate_pass": false,
      "a22_gate_pass": false,
      "a22_depth_delta": -2.9880337457349748e-05,
      "a22_normal_delta": -0.002547106319651382,
      "surface_improved_ratio": 0.0,
      "surface_conflict_ratio": 0.0,
      "surface_neutral_ratio": 1.0,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 6.297971020864105e-05,
      "observed_sample_ratio": 1.0,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": 0.19996221217387483
    },
    {
      "case_id": "gso_006_input4",
      "a23_gate_pass": false,
      "a23_reasons": [
        "repair worsens VGGT depth",
        "A20 2D visible-safe gate rejects repair"
      ],
      "baseline_vggt_depth_abs": 0.07057608515302388,
      "repair_vggt_depth_abs": 0.10248394230109222,
      "vggt_depth_delta": 0.03190785714806833,
      "baseline_vggt_normal_cos": 0.5157906086645974,
      "repair_vggt_normal_cos": 0.5933233558300653,
      "vggt_normal_delta": 0.07753274716546799,
      "repair_chamfer_delta": 0.001438148384100224,
      "repair_fscore_delta": 0.020357567701102974,
      "a20_gate_pass": false,
      "a22_gate_pass": false,
      "a22_depth_delta": 0.03853913042672222,
      "a22_normal_delta": -0.05841257781046627,
      "surface_improved_ratio": 0.24125,
      "surface_conflict_ratio": 0.297,
      "surface_neutral_ratio": 0.267625,
      "unobserved_closable_ratio": 0.194125,
      "mean_surface_delta": 0.0027395989861217786,
      "observed_sample_ratio": 0.805875,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": -0.0038687593916730545
    },
    {
      "case_id": "gso_007_input4",
      "a23_gate_pass": false,
      "a23_reasons": [
        "A20 2D visible-safe gate rejects repair"
      ],
      "baseline_vggt_depth_abs": 0.10069045651209478,
      "repair_vggt_depth_abs": 0.10263476866607285,
      "vggt_depth_delta": 0.00194431215397807,
      "baseline_vggt_normal_cos": 0.5393852866090701,
      "repair_vggt_normal_cos": 0.567073092432536,
      "vggt_normal_delta": 0.02768780582346586,
      "repair_chamfer_delta": 0.0028070981391675742,
      "repair_fscore_delta": -0.018813197744667914,
      "a20_gate_pass": false,
      "a22_gate_pass": false,
      "a22_depth_delta": 0.005317519038742224,
      "a22_normal_delta": -0.01608674352786743,
      "surface_improved_ratio": 0.0055,
      "surface_conflict_ratio": 0.0275,
      "surface_neutral_ratio": 0.967,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 0.0010135945668393275,
      "observed_sample_ratio": 1.0,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": 0.17079184325989644
    },
    {
      "case_id": "gso_008_input4",
      "a23_gate_pass": false,
      "a23_reasons": [
        "repair worsens VGGT depth",
        "A20 2D visible-safe gate rejects repair"
      ],
      "baseline_vggt_depth_abs": 0.031802221891002604,
      "repair_vggt_depth_abs": 0.04699721703819383,
      "vggt_depth_delta": 0.015194995147191227,
      "baseline_vggt_normal_cos": 0.2392053363337876,
      "repair_vggt_normal_cos": 0.2566102048839154,
      "vggt_normal_delta": 0.017404868550127794,
      "repair_chamfer_delta": 0.004735223969694807,
      "repair_fscore_delta": -0.016756876333172355,
      "a20_gate_pass": false,
      "a22_gate_pass": false,
      "a22_depth_delta": 0.08539135787076091,
      "a22_normal_delta": -0.03747089839911377,
      "surface_improved_ratio": 0.173875,
      "surface_conflict_ratio": 0.709125,
      "surface_neutral_ratio": 0.117,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 0.015398337714490161,
      "observed_sample_ratio": 1.0,
      "a31_gate_pass": false,
      "a31_reasons": [
        "surface conflict ratio too high",
        "mean surface depth residual worsens",
        "too little improved surface support"
      ],
      "a31_score": -0.5210890026286942
    },
    {
      "case_id": "gso_009_input4",
      "a23_gate_pass": true,
      "a23_reasons": [],
      "baseline_vggt_depth_abs": 0.016582573528061053,
      "repair_vggt_depth_abs": 0.016749419626746215,
      "vggt_depth_delta": 0.00016684609868516248,
      "baseline_vggt_normal_cos": 0.32838747375012944,
      "repair_vggt_normal_cos": 0.3335805963439922,
      "vggt_normal_delta": 0.005193122593862731,
      "repair_chamfer_delta": -6.184738842189563e-05,
      "repair_fscore_delta": -0.0029178863016767753,
      "a20_gate_pass": true,
      "a22_gate_pass": true,
      "a22_depth_delta": 0.0007482615607320858,
      "a22_normal_delta": -0.006946831215158933,
      "surface_improved_ratio": 0.01525,
      "surface_conflict_ratio": 0.0225,
      "surface_neutral_ratio": 0.96225,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": -3.799235915215031e-05,
      "observed_sample_ratio": 1.0,
      "a31_gate_pass": true,
      "a31_reasons": [],
      "a31_score": 0.1852
    }
  ],
  "rows": [
    {
      "case_id": "gso_000_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": 0.37765000000000004,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.0016002673265472361,
      "fscore_delta_vs_baseline": 0.020201391245642297,
      "surface_improved_ratio": 0.480125,
      "surface_conflict_ratio": 0.1295,
      "surface_neutral_ratio": 0.135125,
      "unobserved_closable_ratio": 0.25525,
      "mean_surface_delta": -0.021444627710387028,
      "observed_sample_ratio": 0.74475
    },
    {
      "case_id": "gso_000_input4",
      "strategy": "a24_calibrated",
      "selected": "repair_hybrid",
      "score": 0.023228872396000407,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.0016002673265472361,
      "fscore_delta_vs_baseline": 0.020201391245642297
    },
    {
      "case_id": "gso_000_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "repair_hybrid",
      "score": 0.13626030475504539,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.0016002673265472361,
      "fscore_delta_vs_baseline": 0.020201391245642297
    },
    {
      "case_id": "gso_001_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": 0.16709507925656583,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.001045166984858209,
      "fscore_delta_vs_baseline": 0.008192576578199828,
      "surface_improved_ratio": 0.029375,
      "surface_conflict_ratio": 0.047,
      "surface_neutral_ratio": 0.923625,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 8.20123905697565e-06,
      "observed_sample_ratio": 1.0
    },
    {
      "case_id": "gso_001_input4",
      "strategy": "a24_calibrated",
      "selected": "baseline",
      "score": 0.00010711917685229721,
      "reasons": [
        "visible-safe rejects and depth does not compensate"
      ],
      "repair_is_gt_beneficial": true,
      "false_reject": true,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_001_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "baseline",
      "score": -0.0019080766549675833,
      "reasons": [
        "broad under-coverage without depth/silhouette compensation"
      ],
      "repair_is_gt_beneficial": true,
      "false_reject": true,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_002_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": 0.505325,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.0037696123996934366,
      "fscore_delta_vs_baseline": 0.05019047689891232,
      "surface_improved_ratio": 0.664,
      "surface_conflict_ratio": 0.18625,
      "surface_neutral_ratio": 0.137875,
      "unobserved_closable_ratio": 0.011875,
      "mean_surface_delta": -0.027891324660578733,
      "observed_sample_ratio": 0.988125
    },
    {
      "case_id": "gso_002_input4",
      "strategy": "a24_calibrated",
      "selected": "repair_hybrid",
      "score": 0.004399615627209084,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.0037696123996934366,
      "fscore_delta_vs_baseline": 0.05019047689891232
    },
    {
      "case_id": "gso_002_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "repair_hybrid",
      "score": 0.01515355606834305,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.0037696123996934366,
      "fscore_delta_vs_baseline": 0.05019047689891232
    },
    {
      "case_id": "gso_003_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": 0.10681394275790723,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -5.346100479804161e-05,
      "fscore_delta_vs_baseline": -0.00408898302012628,
      "surface_improved_ratio": 0.1505,
      "surface_conflict_ratio": 0.17675,
      "surface_neutral_ratio": 0.67275,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 0.0024767620701546178,
      "observed_sample_ratio": 1.0
    },
    {
      "case_id": "gso_003_input4",
      "strategy": "a24_calibrated",
      "selected": "baseline",
      "score": -0.00200846185173541,
      "reasons": [
        "visible-safe rejects and depth does not compensate"
      ],
      "repair_is_gt_beneficial": true,
      "false_reject": true,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_003_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "repair_hybrid",
      "score": -0.0026621156759174076,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -5.346100479804161e-05,
      "fscore_delta_vs_baseline": -0.00408898302012628
    },
    {
      "case_id": "gso_004_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": 0.18503250503091284,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.0004085061507806548,
      "fscore_delta_vs_baseline": 0.0031664391494636845,
      "surface_improved_ratio": 0.010625,
      "surface_conflict_ratio": 0.019375,
      "surface_neutral_ratio": 0.97,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 0.0003624916151452762,
      "observed_sample_ratio": 1.0
    },
    {
      "case_id": "gso_004_input4",
      "strategy": "a24_calibrated",
      "selected": "baseline",
      "score": 3.8125598437763474e-05,
      "reasons": [
        "visible-safe rejects and depth does not compensate"
      ],
      "repair_is_gt_beneficial": true,
      "false_reject": true,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_004_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "repair_hybrid",
      "score": -0.0003283115931045514,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -0.0004085061507806548,
      "fscore_delta_vs_baseline": 0.0031664391494636845
    },
    {
      "case_id": "gso_005_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": 0.19996221217387483,
      "reasons": [],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": true,
      "chamfer_delta_vs_baseline": 0.0011923527629486702,
      "fscore_delta_vs_baseline": -0.007935875846827256,
      "surface_improved_ratio": 0.0,
      "surface_conflict_ratio": 0.0,
      "surface_neutral_ratio": 1.0,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 6.297971020864105e-05,
      "observed_sample_ratio": 1.0
    },
    {
      "case_id": "gso_005_input4",
      "strategy": "a24_calibrated",
      "selected": "baseline",
      "score": 3.56269312449687e-05,
      "reasons": [
        "visible-safe rejects and depth does not compensate"
      ],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_005_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "baseline",
      "score": -3.2444756754146804e-05,
      "reasons": [
        "broad under-coverage without depth/silhouette compensation"
      ],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_006_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": -0.0038687593916730545,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.001438148384100224,
      "fscore_delta_vs_baseline": 0.020357567701102974,
      "surface_improved_ratio": 0.24125,
      "surface_conflict_ratio": 0.297,
      "surface_neutral_ratio": 0.267625,
      "unobserved_closable_ratio": 0.194125,
      "mean_surface_delta": 0.0027395989861217786,
      "observed_sample_ratio": 0.805875
    },
    {
      "case_id": "gso_006_input4",
      "strategy": "a24_calibrated",
      "selected": "baseline",
      "score": -0.024154582431521535,
      "reasons": [
        "depth worsens beyond hard threshold",
        "visible-safe rejects and depth does not compensate"
      ],
      "repair_is_gt_beneficial": true,
      "false_reject": true,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_006_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "baseline",
      "score": -0.025497226368693768,
      "reasons": [
        "case and per-view depth both reject",
        "multi-view depth_bad"
      ],
      "repair_is_gt_beneficial": true,
      "false_reject": true,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_007_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": 0.17079184325989644,
      "reasons": [],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": true,
      "chamfer_delta_vs_baseline": 0.0028070981391675742,
      "fscore_delta_vs_baseline": -0.018813197744667914,
      "surface_improved_ratio": 0.0055,
      "surface_conflict_ratio": 0.0275,
      "surface_neutral_ratio": 0.967,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 0.0010135945668393275,
      "observed_sample_ratio": 1.0
    },
    {
      "case_id": "gso_007_input4",
      "strategy": "a24_calibrated",
      "selected": "baseline",
      "score": 0.0008244684283685161,
      "reasons": [
        "visible-safe rejects and depth does not compensate"
      ],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_007_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "repair_hybrid",
      "score": -5.956231504522882e-05,
      "reasons": [],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": true,
      "chamfer_delta_vs_baseline": 0.0028070981391675742,
      "fscore_delta_vs_baseline": -0.018813197744667914
    },
    {
      "case_id": "gso_008_input4",
      "strategy": "a31_surface_router",
      "selected": "baseline",
      "score": -0.5210890026286942,
      "reasons": [
        "surface conflict ratio too high",
        "mean surface depth residual worsens",
        "too little improved surface support"
      ],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0,
      "surface_improved_ratio": 0.173875,
      "surface_conflict_ratio": 0.709125,
      "surface_neutral_ratio": 0.117,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": 0.015398337714490161,
      "observed_sample_ratio": 1.0
    },
    {
      "case_id": "gso_008_input4",
      "strategy": "a24_calibrated",
      "selected": "baseline",
      "score": -0.013454508292178449,
      "reasons": [
        "depth worsens beyond hard threshold",
        "visible-safe rejects and depth does not compensate"
      ],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_008_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "baseline",
      "score": -0.038221384828066064,
      "reasons": [
        "case and per-view depth both reject",
        "visible conflict without compensating silhouette"
      ],
      "repair_is_gt_beneficial": false,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    },
    {
      "case_id": "gso_009_input4",
      "strategy": "a31_surface_router",
      "selected": "repair_hybrid",
      "score": 0.1852,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -6.184738842189563e-05,
      "fscore_delta_vs_baseline": -0.0029178863016767753,
      "surface_improved_ratio": 0.01525,
      "surface_conflict_ratio": 0.0225,
      "surface_neutral_ratio": 0.96225,
      "unobserved_closable_ratio": 0.0,
      "mean_surface_delta": -3.799235915215031e-05,
      "observed_sample_ratio": 1.0
    },
    {
      "case_id": "gso_009_input4",
      "strategy": "a24_calibrated",
      "selected": "repair_hybrid",
      "score": 0.0003524661607011107,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": false,
      "false_accept": false,
      "chamfer_delta_vs_baseline": -6.184738842189563e-05,
      "fscore_delta_vs_baseline": -0.0029178863016767753
    },
    {
      "case_id": "gso_009_input4",
      "strategy": "a27_per_view_depth_lock",
      "selected": "baseline",
      "score": -0.008355986445525198,
      "reasons": [],
      "repair_is_gt_beneficial": true,
      "false_reject": true,
      "false_accept": false,
      "chamfer_delta_vs_baseline": 0.0,
      "fscore_delta_vs_baseline": 0.0
    }
  ],
  "aggregate": {
    "a24_calibrated": {
      "cases": 10,
      "repair_selected_cases": 3,
      "false_reject_cases": 4,
      "false_accept_cases": 0,
      "mean_selected_chamfer_delta_vs_baseline": -0.0005431727114662569,
      "mean_selected_fscore_delta_vs_baseline": 0.006747398184287784,
      "selected_repair_cases": [
        "gso_000_input4",
        "gso_002_input4",
        "gso_009_input4"
      ],
      "false_reject_case_ids": [
        "gso_001_input4",
        "gso_003_input4",
        "gso_004_input4",
        "gso_006_input4"
      ],
      "false_accept_case_ids": []
    },
    "a27_per_view_depth_lock": {
      "cases": 10,
      "repair_selected_cases": 5,
      "false_reject_cases": 3,
      "false_accept_cases": 1,
      "mean_selected_chamfer_delta_vs_baseline": -0.0003024748742651795,
      "mean_selected_fscore_delta_vs_baseline": 0.00506561265292241,
      "selected_repair_cases": [
        "gso_000_input4",
        "gso_002_input4",
        "gso_003_input4",
        "gso_004_input4",
        "gso_007_input4"
      ],
      "false_reject_case_ids": [
        "gso_001_input4",
        "gso_006_input4",
        "gso_009_input4"
      ],
      "false_accept_case_ids": [
        "gso_007_input4"
      ]
    },
    "a31_surface_router": {
      "cases": 10,
      "repair_selected_cases": 9,
      "false_reject_cases": 0,
      "false_accept_cases": 2,
      "mean_selected_chamfer_delta_vs_baseline": -0.00015012619688830052,
      "mean_selected_fscore_delta_vs_baseline": 0.006835250866002287,
      "selected_repair_cases": [
        "gso_000_input4",
        "gso_001_input4",
        "gso_002_input4",
        "gso_003_input4",
        "gso_004_input4",
        "gso_005_input4",
        "gso_006_input4",
        "gso_007_input4",
        "gso_009_input4"
      ],
      "false_reject_case_ids": [],
      "false_accept_case_ids": [
        "gso_005_input4",
        "gso_007_input4"
      ]
    }
  },
  "conclusion": {
    "status": "mixed_positive",
    "summary": "A31 scales surface-projected evidence to 10 cases. It strongly rejects gso_008-like conflicts, but still needs better local editing because a case-level surface router can trade false rejects against false accepts."
  }
}