{
  "experiment": "A4 selected-alpha decode",
  "protocol": "protocol4_limit10",
  "aggregate": {
    "case_count": 10,
    "selected_generation_ok": 9,
    "selected_generation_failed": 1,
    "selected_eval_ok": 9,
    "fixed_alpha025_eval_ok": 9,
    "selected_chamfer_helped_cases": 3,
    "selected_f5_helped_cases": 4,
    "fixed_alpha025_chamfer_helped_cases": 3,
    "selected_mean_chamfer_delta_common": 0.001011124289581008,
    "selected_mean_fscore_5pct_delta_common": 0.00262576755412772,
    "selected_mean_pred_faces_delta_common": -5906.444444444444,
    "selected_watertight_rate": 0.0,
    "baseline_watertight_rate_common": 0.0,
    "fixed_alpha025_mean_chamfer_delta_common": 8.779534010659574e-05,
    "fixed_alpha025_mean_fscore_5pct_delta_common": 0.0007728603541258569,
    "sparse_safe_but_decode_failed_cases": [
      "gso_000_input4"
    ]
  },
  "rows": [
    {
      "case_id": "gso_000_input4",
      "selected_alpha": 0.125,
      "baseline_status": "ok",
      "selected_generation_status": "failed",
      "selected_eval_status": "missing_prediction",
      "fixed_alpha025_eval_status": "missing_prediction",
      "selected_error": "RuntimeError: max(): Expected reduction dim to be specified for input.numel() == 0. Specify the reduction dim with the 'dim' argument.",
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 26,
      "baseline_chamfer_mean": 0.06764168226180114,
      "baseline_fscore_5pct": 0.4772477594227666,
      "baseline_pred_faces": 13496,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 260,
      "baseline_nonmanifold_edges": 345,
      "baseline_bbox_diag_ratio": 0.49429087794334053,
      "baseline_surface_area_ratio": 0.1232699497672049,
      "selected_chamfer_mean": null,
      "selected_fscore_5pct": null,
      "selected_pred_faces": null,
      "selected_watertight": null,
      "selected_boundary_edges": null,
      "selected_nonmanifold_edges": null,
      "selected_bbox_diag_ratio": null,
      "selected_surface_area_ratio": null,
      "fixed_alpha025_chamfer_mean": null,
      "fixed_alpha025_fscore_5pct": null,
      "fixed_alpha025_pred_faces": null,
      "fixed_alpha025_watertight": null,
      "fixed_alpha025_boundary_edges": null,
      "fixed_alpha025_nonmanifold_edges": null,
      "fixed_alpha025_bbox_diag_ratio": null,
      "fixed_alpha025_surface_area_ratio": null,
      "selected_delta_chamfer_mean": null,
      "fixed_alpha025_delta_chamfer_mean": null,
      "selected_delta_fscore_5pct": null,
      "fixed_alpha025_delta_fscore_5pct": null,
      "selected_delta_pred_faces": null,
      "fixed_alpha025_delta_pred_faces": null,
      "selected_delta_watertight": null,
      "fixed_alpha025_delta_watertight": null,
      "selected_delta_boundary_edges": null,
      "fixed_alpha025_delta_boundary_edges": null,
      "selected_delta_nonmanifold_edges": null,
      "fixed_alpha025_delta_nonmanifold_edges": null,
      "selected_delta_bbox_diag_ratio": null,
      "fixed_alpha025_delta_bbox_diag_ratio": null,
      "selected_delta_surface_area_ratio": null,
      "fixed_alpha025_delta_surface_area_ratio": null,
      "selected_chamfer_helped": false,
      "selected_f5_helped": false,
      "fixed_chamfer_helped": false
    },
    {
      "case_id": "gso_001_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 842,
      "baseline_chamfer_mean": 0.09062238900428674,
      "baseline_fscore_5pct": 0.32065741643953516,
      "baseline_pred_faces": 446548,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 1212,
      "baseline_nonmanifold_edges": 2374,
      "baseline_bbox_diag_ratio": 3.046930117874446,
      "baseline_surface_area_ratio": 6.333218901482295,
      "selected_chamfer_mean": 0.0885168796128897,
      "selected_fscore_5pct": 0.3287253842374903,
      "selected_pred_faces": 459414,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 1133,
      "selected_nonmanifold_edges": 2364,
      "selected_bbox_diag_ratio": 3.060212359002249,
      "selected_surface_area_ratio": 6.475523814934781,
      "fixed_alpha025_chamfer_mean": 0.08963651798090735,
      "fixed_alpha025_fscore_5pct": 0.3279466058266058,
      "fixed_alpha025_pred_faces": 452130,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 1242,
      "fixed_alpha025_nonmanifold_edges": 1853,
      "fixed_alpha025_bbox_diag_ratio": 3.0661509305324546,
      "fixed_alpha025_surface_area_ratio": 6.347816323075769,
      "selected_delta_chamfer_mean": -0.0021055093913970313,
      "fixed_alpha025_delta_chamfer_mean": -0.000985871023379381,
      "selected_delta_fscore_5pct": 0.008067967797955156,
      "fixed_alpha025_delta_fscore_5pct": 0.007289189387070627,
      "selected_delta_pred_faces": 12866.0,
      "fixed_alpha025_delta_pred_faces": 5582.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": -79.0,
      "fixed_alpha025_delta_boundary_edges": 30.0,
      "selected_delta_nonmanifold_edges": -10.0,
      "fixed_alpha025_delta_nonmanifold_edges": -521.0,
      "selected_delta_bbox_diag_ratio": 0.013282241127803296,
      "fixed_alpha025_delta_bbox_diag_ratio": 0.01922081265800868,
      "selected_delta_surface_area_ratio": 0.1423049134524863,
      "fixed_alpha025_delta_surface_area_ratio": 0.014597421593474103,
      "selected_chamfer_helped": true,
      "selected_f5_helped": true,
      "fixed_chamfer_helped": true
    },
    {
      "case_id": "gso_002_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 3082,
      "baseline_chamfer_mean": 0.05354523498446702,
      "baseline_fscore_5pct": 0.6001275889067458,
      "baseline_pred_faces": 1462466,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 14605,
      "baseline_nonmanifold_edges": 10921,
      "baseline_bbox_diag_ratio": 10.27437509418881,
      "baseline_surface_area_ratio": 41.65488342624605,
      "selected_chamfer_mean": 0.05340714474243508,
      "selected_fscore_5pct": 0.6064851241359565,
      "selected_pred_faces": 1598282,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 10155,
      "selected_nonmanifold_edges": 9221,
      "selected_bbox_diag_ratio": 10.817472484497236,
      "selected_surface_area_ratio": 45.62931602081825,
      "fixed_alpha025_chamfer_mean": 0.05209547970224917,
      "fixed_alpha025_fscore_5pct": 0.607638752602147,
      "fixed_alpha025_pred_faces": 1565074,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 12033,
      "fixed_alpha025_nonmanifold_edges": 9438,
      "fixed_alpha025_bbox_diag_ratio": 10.784790209855734,
      "fixed_alpha025_surface_area_ratio": 44.89462030520451,
      "selected_delta_chamfer_mean": -0.0001380902420319366,
      "fixed_alpha025_delta_chamfer_mean": -0.0014497552822178503,
      "selected_delta_fscore_5pct": 0.006357535229210676,
      "fixed_alpha025_delta_fscore_5pct": 0.0075111636954011685,
      "selected_delta_pred_faces": 135816.0,
      "fixed_alpha025_delta_pred_faces": 102608.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": -4450.0,
      "fixed_alpha025_delta_boundary_edges": -2572.0,
      "selected_delta_nonmanifold_edges": -1700.0,
      "fixed_alpha025_delta_nonmanifold_edges": -1483.0,
      "selected_delta_bbox_diag_ratio": 0.5430973903084251,
      "fixed_alpha025_delta_bbox_diag_ratio": 0.5104151156669232,
      "selected_delta_surface_area_ratio": 3.9744325945721997,
      "fixed_alpha025_delta_surface_area_ratio": 3.2397368789584604,
      "selected_chamfer_helped": true,
      "selected_f5_helped": true,
      "fixed_chamfer_helped": true
    },
    {
      "case_id": "gso_003_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 5097,
      "baseline_chamfer_mean": 0.04065211438937266,
      "baseline_fscore_5pct": 0.7107779711153646,
      "baseline_pred_faces": 2625668,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 1493,
      "baseline_nonmanifold_edges": 10845,
      "baseline_bbox_diag_ratio": 14.189603609990602,
      "baseline_surface_area_ratio": 191.4738728040012,
      "selected_chamfer_mean": 0.04064066796503785,
      "selected_fscore_5pct": 0.7105037523908886,
      "selected_pred_faces": 2644196,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 1733,
      "selected_nonmanifold_edges": 11400,
      "selected_bbox_diag_ratio": 14.223136784389396,
      "selected_surface_area_ratio": 193.0186340056559,
      "fixed_alpha025_chamfer_mean": 0.040474919823674294,
      "fixed_alpha025_fscore_5pct": 0.7085555943445628,
      "fixed_alpha025_pred_faces": 2662864,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 3189,
      "fixed_alpha025_nonmanifold_edges": 13043,
      "fixed_alpha025_bbox_diag_ratio": 14.224920408260196,
      "fixed_alpha025_surface_area_ratio": 192.4194751302775,
      "selected_delta_chamfer_mean": -1.1446424334815575e-05,
      "fixed_alpha025_delta_chamfer_mean": -0.00017719456569836867,
      "selected_delta_fscore_5pct": -0.00027421872447597195,
      "fixed_alpha025_delta_fscore_5pct": -0.002222376770801726,
      "selected_delta_pred_faces": 18528.0,
      "fixed_alpha025_delta_pred_faces": 37196.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": 240.0,
      "fixed_alpha025_delta_boundary_edges": 1696.0,
      "selected_delta_nonmanifold_edges": 555.0,
      "fixed_alpha025_delta_nonmanifold_edges": 2198.0,
      "selected_delta_bbox_diag_ratio": 0.03353317439879433,
      "fixed_alpha025_delta_bbox_diag_ratio": 0.03531679826959433,
      "selected_delta_surface_area_ratio": 1.5447612016547225,
      "fixed_alpha025_delta_surface_area_ratio": 0.9456023262763154,
      "selected_chamfer_helped": true,
      "selected_f5_helped": false,
      "fixed_chamfer_helped": true
    },
    {
      "case_id": "gso_004_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 2452,
      "baseline_chamfer_mean": 0.10784252157778905,
      "baseline_fscore_5pct": 0.21933732193732197,
      "baseline_pred_faces": 1285454,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 2843,
      "baseline_nonmanifold_edges": 4830,
      "baseline_bbox_diag_ratio": 8.070394925043106,
      "baseline_surface_area_ratio": 61.33105408836719,
      "selected_chamfer_mean": 0.10784252157778905,
      "selected_fscore_5pct": 0.21933732193732197,
      "selected_pred_faces": 1285454,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 2843,
      "selected_nonmanifold_edges": 4830,
      "selected_bbox_diag_ratio": 8.070394925043106,
      "selected_surface_area_ratio": 61.33105408836719,
      "fixed_alpha025_chamfer_mean": 0.10784252157778905,
      "fixed_alpha025_fscore_5pct": 0.21933732193732197,
      "fixed_alpha025_pred_faces": 1285454,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 2843,
      "fixed_alpha025_nonmanifold_edges": 4830,
      "fixed_alpha025_bbox_diag_ratio": 8.070394925043106,
      "fixed_alpha025_surface_area_ratio": 61.33105408836719,
      "selected_delta_chamfer_mean": 0.0,
      "fixed_alpha025_delta_chamfer_mean": 0.0,
      "selected_delta_fscore_5pct": 0.0,
      "fixed_alpha025_delta_fscore_5pct": 0.0,
      "selected_delta_pred_faces": 0.0,
      "fixed_alpha025_delta_pred_faces": 0.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": 0.0,
      "fixed_alpha025_delta_boundary_edges": 0.0,
      "selected_delta_nonmanifold_edges": 0.0,
      "fixed_alpha025_delta_nonmanifold_edges": 0.0,
      "selected_delta_bbox_diag_ratio": 0.0,
      "fixed_alpha025_delta_bbox_diag_ratio": 0.0,
      "selected_delta_surface_area_ratio": 0.0,
      "fixed_alpha025_delta_surface_area_ratio": 0.0,
      "selected_chamfer_helped": false,
      "selected_f5_helped": false,
      "fixed_chamfer_helped": false
    },
    {
      "case_id": "gso_005_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 392,
      "baseline_chamfer_mean": 0.06813772181792134,
      "baseline_fscore_5pct": 0.3499060095058272,
      "baseline_pred_faces": 319012,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 3127,
      "baseline_nonmanifold_edges": 4862,
      "baseline_bbox_diag_ratio": 3.6728696696022087,
      "baseline_surface_area_ratio": 8.60110045336125,
      "selected_chamfer_mean": 0.06813772181792134,
      "selected_fscore_5pct": 0.3499060095058272,
      "selected_pred_faces": 319012,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 3127,
      "selected_nonmanifold_edges": 4862,
      "selected_bbox_diag_ratio": 3.6728696696022087,
      "selected_surface_area_ratio": 8.60110045336125,
      "fixed_alpha025_chamfer_mean": 0.06813772181792134,
      "fixed_alpha025_fscore_5pct": 0.3499060095058272,
      "fixed_alpha025_pred_faces": 319012,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 3127,
      "fixed_alpha025_nonmanifold_edges": 4862,
      "fixed_alpha025_bbox_diag_ratio": 3.6728696696022087,
      "fixed_alpha025_surface_area_ratio": 8.60110045336125,
      "selected_delta_chamfer_mean": 0.0,
      "fixed_alpha025_delta_chamfer_mean": 0.0,
      "selected_delta_fscore_5pct": 0.0,
      "fixed_alpha025_delta_fscore_5pct": 0.0,
      "selected_delta_pred_faces": 0.0,
      "fixed_alpha025_delta_pred_faces": 0.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": 0.0,
      "fixed_alpha025_delta_boundary_edges": 0.0,
      "selected_delta_nonmanifold_edges": 0.0,
      "fixed_alpha025_delta_nonmanifold_edges": 0.0,
      "selected_delta_bbox_diag_ratio": 0.0,
      "fixed_alpha025_delta_bbox_diag_ratio": 0.0,
      "selected_delta_surface_area_ratio": 0.0,
      "fixed_alpha025_delta_surface_area_ratio": 0.0,
      "selected_chamfer_helped": false,
      "selected_f5_helped": false,
      "fixed_chamfer_helped": false
    },
    {
      "case_id": "gso_006_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 1393,
      "baseline_chamfer_mean": 0.07164466392955901,
      "baseline_fscore_5pct": 0.4669008670815057,
      "baseline_pred_faces": 1507964,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 35731,
      "baseline_nonmanifold_edges": 50169,
      "baseline_bbox_diag_ratio": 3.062424556687524,
      "baseline_surface_area_ratio": 15.309926850132923,
      "selected_chamfer_mean": 0.07234117527339841,
      "selected_fscore_5pct": 0.46466201456920375,
      "selected_pred_faces": 1377592,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 32915,
      "selected_nonmanifold_edges": 46856,
      "selected_bbox_diag_ratio": 3.190089689366038,
      "selected_surface_area_ratio": 13.869516937289276,
      "fixed_alpha025_chamfer_mean": 0.07266843718077294,
      "fixed_alpha025_fscore_5pct": 0.4567900615238996,
      "fixed_alpha025_pred_faces": 1317802,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 30138,
      "fixed_alpha025_nonmanifold_edges": 38835,
      "fixed_alpha025_bbox_diag_ratio": 3.0501736535795074,
      "fixed_alpha025_surface_area_ratio": 13.179542440731076,
      "selected_delta_chamfer_mean": 0.0006965113438393983,
      "fixed_alpha025_delta_chamfer_mean": 0.0010237732512139303,
      "selected_delta_fscore_5pct": -0.0022388525123019365,
      "fixed_alpha025_delta_fscore_5pct": -0.010110805557606073,
      "selected_delta_pred_faces": -130372.0,
      "fixed_alpha025_delta_pred_faces": -190162.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": -2816.0,
      "fixed_alpha025_delta_boundary_edges": -5593.0,
      "selected_delta_nonmanifold_edges": -3313.0,
      "fixed_alpha025_delta_nonmanifold_edges": -11334.0,
      "selected_delta_bbox_diag_ratio": 0.12766513267851387,
      "fixed_alpha025_delta_bbox_diag_ratio": -0.012250903108016686,
      "selected_delta_surface_area_ratio": -1.4404099128436467,
      "fixed_alpha025_delta_surface_area_ratio": -2.130384409401847,
      "selected_chamfer_helped": false,
      "selected_f5_helped": false,
      "fixed_chamfer_helped": false
    },
    {
      "case_id": "gso_007_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 995,
      "baseline_chamfer_mean": 0.1534092104645592,
      "baseline_fscore_5pct": 0.18580385062669597,
      "baseline_pred_faces": 536460,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 3270,
      "baseline_nonmanifold_edges": 6035,
      "baseline_bbox_diag_ratio": 4.195136613185035,
      "baseline_surface_area_ratio": 11.025152886118613,
      "selected_chamfer_mean": 0.15514288584946181,
      "selected_fscore_5pct": 0.1893815108834827,
      "selected_pred_faces": 539474,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 4303,
      "selected_nonmanifold_edges": 7187,
      "selected_bbox_diag_ratio": 4.031648369635238,
      "selected_surface_area_ratio": 11.05362853530759,
      "fixed_alpha025_chamfer_mean": 0.1536573212286638,
      "fixed_alpha025_fscore_5pct": 0.18845022894937677,
      "fixed_alpha025_pred_faces": 536832,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 2966,
      "fixed_alpha025_nonmanifold_edges": 6546,
      "fixed_alpha025_bbox_diag_ratio": 4.181248344958808,
      "fixed_alpha025_surface_area_ratio": 11.097918206010391,
      "selected_delta_chamfer_mean": 0.0017336753849026276,
      "fixed_alpha025_delta_chamfer_mean": 0.00024811076410460875,
      "selected_delta_fscore_5pct": 0.003577660256786741,
      "fixed_alpha025_delta_fscore_5pct": 0.0026463783226808035,
      "selected_delta_pred_faces": 3014.0,
      "fixed_alpha025_delta_pred_faces": 372.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": 1033.0,
      "fixed_alpha025_delta_boundary_edges": -304.0,
      "selected_delta_nonmanifold_edges": 1152.0,
      "fixed_alpha025_delta_nonmanifold_edges": 511.0,
      "selected_delta_bbox_diag_ratio": -0.1634882435497973,
      "fixed_alpha025_delta_bbox_diag_ratio": -0.013888268226226685,
      "selected_delta_surface_area_ratio": 0.028475649188976604,
      "fixed_alpha025_delta_surface_area_ratio": 0.07276531989177748,
      "selected_chamfer_helped": false,
      "selected_f5_helped": true,
      "fixed_chamfer_helped": false
    },
    {
      "case_id": "gso_008_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 1423,
      "baseline_chamfer_mean": 0.13067651206526734,
      "baseline_fscore_5pct": 0.2079064406033249,
      "baseline_pred_faces": 549096,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 52080,
      "baseline_nonmanifold_edges": 1341,
      "baseline_bbox_diag_ratio": 9.271933480318845,
      "baseline_surface_area_ratio": 42.708158954514836,
      "selected_chamfer_mean": 0.1364511458612238,
      "selected_fscore_5pct": 0.1939995146220119,
      "selected_pred_faces": 516156,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 43223,
      "selected_nonmanifold_edges": 1034,
      "selected_bbox_diag_ratio": 9.243651548634519,
      "selected_surface_area_ratio": 39.13244849702901,
      "fixed_alpha025_chamfer_mean": 0.13276274044198635,
      "fixed_alpha025_fscore_5pct": 0.19899449988120693,
      "fixed_alpha025_pred_faces": 464466,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 44276,
      "fixed_alpha025_nonmanifold_edges": 972,
      "fixed_alpha025_bbox_diag_ratio": 9.245530825584003,
      "fixed_alpha025_surface_area_ratio": 35.60730353776311,
      "selected_delta_chamfer_mean": 0.005774633795956469,
      "fixed_alpha025_delta_chamfer_mean": 0.0020862283767190126,
      "selected_delta_fscore_5pct": -0.01390692598131299,
      "fixed_alpha025_delta_fscore_5pct": -0.008911940722117956,
      "selected_delta_pred_faces": -32940.0,
      "fixed_alpha025_delta_pred_faces": -84630.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": -8857.0,
      "fixed_alpha025_delta_boundary_edges": -7804.0,
      "selected_delta_nonmanifold_edges": -307.0,
      "fixed_alpha025_delta_nonmanifold_edges": -369.0,
      "selected_delta_bbox_diag_ratio": -0.02828193168432591,
      "fixed_alpha025_delta_bbox_diag_ratio": -0.02640265473484149,
      "selected_delta_surface_area_ratio": -3.575710457485826,
      "fixed_alpha025_delta_surface_area_ratio": -7.1008554167517275,
      "selected_chamfer_helped": false,
      "selected_f5_helped": false,
      "fixed_chamfer_helped": false
    },
    {
      "case_id": "gso_009_input4",
      "selected_alpha": 1.0,
      "baseline_status": "ok",
      "selected_generation_status": "ok",
      "selected_eval_status": "ok",
      "fixed_alpha025_eval_status": "ok",
      "selected_error": null,
      "sparse_preflight_generate_mesh": true,
      "sparse_preflight_uniform_tokens": 1329,
      "baseline_chamfer_mean": 0.031917989823822636,
      "baseline_fscore_5pct": 0.7977684956747135,
      "baseline_pred_faces": 760440,
      "baseline_watertight": 0.0,
      "baseline_boundary_edges": 6627,
      "baseline_nonmanifold_edges": 11757,
      "baseline_bbox_diag_ratio": 4.331637846353574,
      "baseline_surface_area_ratio": 15.772055252168519,
      "selected_chamfer_mean": 0.035068333963116996,
      "selected_fscore_5pct": 0.8198172375960013,
      "selected_pred_faces": 700370,
      "selected_watertight": 0.0,
      "selected_boundary_edges": 3837,
      "selected_nonmanifold_edges": 7520,
      "selected_bbox_diag_ratio": 4.321819702318251,
      "selected_surface_area_ratio": 14.596055348298616,
      "fixed_alpha025_chamfer_mean": 0.031962856364040046,
      "fixed_alpha025_fscore_5pct": 0.8085226305072194,
      "fixed_alpha025_pred_faces": 756742,
      "fixed_alpha025_watertight": 0.0,
      "fixed_alpha025_boundary_edges": 6257,
      "fixed_alpha025_nonmanifold_edges": 10744,
      "fixed_alpha025_bbox_diag_ratio": 4.317742919561552,
      "fixed_alpha025_surface_area_ratio": 15.794524255578525,
      "selected_delta_chamfer_mean": 0.00315034413929436,
      "fixed_alpha025_delta_chamfer_mean": 4.4866540217410045e-05,
      "selected_delta_fscore_5pct": 0.022048741921287807,
      "fixed_alpha025_delta_fscore_5pct": 0.010754134832505868,
      "selected_delta_pred_faces": -60070.0,
      "fixed_alpha025_delta_pred_faces": -3698.0,
      "selected_delta_watertight": 0.0,
      "fixed_alpha025_delta_watertight": 0.0,
      "selected_delta_boundary_edges": -2790.0,
      "fixed_alpha025_delta_boundary_edges": -370.0,
      "selected_delta_nonmanifold_edges": -4237.0,
      "fixed_alpha025_delta_nonmanifold_edges": -1013.0,
      "selected_delta_bbox_diag_ratio": -0.00981814403532244,
      "fixed_alpha025_delta_bbox_diag_ratio": -0.013894926792021423,
      "selected_delta_surface_area_ratio": -1.1759999038699025,
      "fixed_alpha025_delta_surface_area_ratio": 0.022469003410005683,
      "selected_chamfer_helped": false,
      "selected_f5_helped": true,
      "fixed_chamfer_helped": false
    }
  ],
  "conclusion": [
    "A3 sparse preflight is not sufficient for decode-stage safety because gso_000 still fails after selected alpha=0.125.",
    "On the 9 evaluable common cases, selected-alpha decode does not improve mean geometry; it mainly exposes the need for a decoder-aware latent/occupancy gate.",
    "The next research step should add SLat/occupancy-band preflight or fallback routing before full decode."
  ]
}