{
  "design_id": "DBH-01",
  "name": "KIL",
  "version": "v0.6",
  "locked": true,
  "approved_by": "Daniel",
  "date": "2026-09-09",
  "user_statement": "Looks great! Lock this and commit",
  "scope": "Approval and freeze of current KIL v0.6 form and geometry. Files below identify the approved baseline and its existing print package.",
  "dimensions_mm": [
    98,
    70,
    16
  ],
  "facets": {
    "sides": [
      "bed",
      "show"
    ],
    "depth_mm": 4.8,
    "angle_deg": 45,
    "middle_band_mm": 6.4
  },
  "sha256": {
    "source/contract.yaml": "67c18bca1415452ea1da47689496bb5baa2ccb0ae332464a9f14b521ef4e26b1",
    "source/geometry.py": "2efe8f9496f2ca9547400288deb259fe0bb76a2174e575df5592925ad4f5fa21",
    "source/build123d/hook.py": "dce12da2ca9c0a32edbad513716d40c4f847197190d8d610446679e623877e42",
    "exports/kil_hook.stl": "e76b982c8a641517a8991a147e6ef468b9a58f64c3ccf0360c7d0527af1772aa",
    "exports/kil_hook.step": "1fc0454e48f55a5ffed280f3e42d0affdd4923d7e8df7a8caa958ac0839e8713",
    "exports/kil_v06_a1m_pla_pure_blue.3mf": "243d705d51d1b7d9e29d88892e2ca428752bdeebacbf4b4641f36c03861dc55c",
    "exports/kil_v06_a1m_pla_pure_blue.gcode.3mf": "e7322db991dace5930057945fb2e05221c8535f42fe5d3c0fec1febfde5366d2"
  },
  "change_policy": "An explicit user request for a new revision may reopen the design; preserve the locked v0.6 baseline when doing so.",
  "lock_mechanism": "Design-local approval metadata, exact file hashes and versioned source; not filesystem write protection.",
  "evidence_boundary": {
    "user_form_approval": true,
    "user_feedback": "Looks great!",
    "prior_v05_print_feedback": "turned out nice",
    "v06_print_dispatch_verified": true,
    "additional_measured_fit_or_load_result_supplied": false,
    "fit_or_load_rating_claimed": false
  }
}