{
  "artifacts": {
    "step": "/mnt/shirevault-network/SHiREVault/SHiREAcademy/AutonomousPractice/GothicFoundations/Runs/20260728T084250Z-gothic-quatrefoil-recess-V3/gothic_quatrefoil_recess_v3.step",
    "step_sha256": "53f96a60fcc225413580cd7aeeb7f67d183c74a7f37eb0032c98344ac73399a2",
    "stl": "/mnt/shirevault-network/SHiREVault/SHiREAcademy/AutonomousPractice/GothicFoundations/Runs/20260728T084250Z-gothic-quatrefoil-recess-V3/gothic_quatrefoil_recess_v3.stl",
    "stl_sha256": "d13da772e5e2561643d1cdd2b8bbc44c65e05f7f79c79f4281daa2caf4b6eb7a"
  },
  "builder_version": "0.1.0-stage3c.1-autonomous-gothic-practice",
  "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": "gothic.quatrefoil-recess",
  "exercise_title": "Quatrefoil Recess",
  "generated_at": "2026-07-28T08:42:56.791528+00:00",
  "metrics": {
    "bounding_box_mm": {
      "x": 150.0,
      "y": 94.0,
      "z": 8.0
    },
    "solid_count": 1,
    "valid_shape": true,
    "volume_mm3": 111208.68059650355
  },
  "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": [
    "circle composition",
    "shallow recess",
    "boolean union"
  ],
  "variant": 3
}
