{
  "artifacts": {
    "step": "/mnt/shirevault-network/SHiREVault/SHiREAcademy/AutonomousPractice/SpeedCore/Runs/20260729T085709Z-dice-tower-tumble-envelope-V2/dice_tower_tumble_envelope_v2.step",
    "step_sha256": "988d9e938d1057060e547789ea547e955743ac2ca2c8fe0b6e72defd6d6490c9",
    "stl": "/mnt/shirevault-network/SHiREVault/SHiREAcademy/AutonomousPractice/SpeedCore/Runs/20260729T085709Z-dice-tower-tumble-envelope-V2/dice_tower_tumble_envelope_v2.stl",
    "stl_sha256": "a07a6de873bd595d588d703a757c4eb23df1a1eee9931bcd637aaa2f571c9477"
  },
  "builder_version": "0.7.1-stage3c.6.1-autonomous-height-proof-fix",
  "checks": {
    "allowlisted_exercise_only": true,
    "draft_only": true,
    "one_valid_final_solid": true,
    "positive_volume": true,
    "safe_bounding_box": true,
    "step_written": true,
    "stl_written": true
  },
  "classification": "AUTONOMOUS_PRACTICE_PASS",
  "exercise_id": "dice-tower.tumble-envelope",
  "exercise_title": "Dynamic Dice Tumble Envelope",
  "generated_at": "2026-07-29T08:57:16.214079+00:00",
  "metrics": {
    "bounding_box_mm": {
      "x": 102.0,
      "y": 132.0,
      "z": 252.0
    },
    "solid_count": 1,
    "valid_shape": true,
    "volume_mm3": 435976.2477347985
  },
  "ok": true,
  "safety": {
    "arbitrary_code_allowed": false,
    "certification_changed": false,
    "forge_permission_changed": false,
    "non_load_bearing_only": true,
    "production_release": false,
    "protected_academy_state_modified": false,
    "uncounted_practice_only": true
  },
  "skills_practised": [
    "face diagonal",
    "inter-ramp clearance",
    "moving dice envelope",
    "regression validation"
  ],
  "variant": 2
}
