{
  "packet_id": "HPAN-D-KURD-ROOT",
  "instrument": "Handpan",
  "mode": "root",
  "status": "private research prototype planning packet; not measured or build-ready",
  "scale": "D Kurd",
  "source_workbook": "handpan-design-table.xlsx",
  "readiness": "L1_packet",
  "visual_output_register": "visual-output-register.csv",
  "validation_loop": "validation-loop.csv",
  "mcp_provenance_log": "cad/mcp-session-log.md",
  "fabrication_authority": [
    "handpan-design-table.xlsx",
    "family-spec.csv"
  ],
  "concept_or_preview_only": [
    "drawings/01-top-layout.svg",
    "drawings/02-gu-section-fixture.svg",
    "explorer.html",
    "print-packet.pdf"
  ],
  "deliverables": [
    "design.md",
    "family-spec.csv",
    "bom.csv",
    "sourcing.csv",
    "cut-list.csv",
    "validation.csv",
    "validation-loop.csv",
    "measured-partial-strike-log.csv",
    "assembly-manual.md",
    "supplier-rfq.md",
    "drawing-brief.md",
    "visual-bom-brief.md",
    "visual-output-register.csv",
    "handpan-starter.wl",
    "risks.md",
    "photo-shotlist.md",
    "capstone-deck.md",
    "print-packet.md",
    "print-packet.html",
    "site/index.html",
    "cad/handpan-cad-brief.md",
    "cad/mcp-session-log.md",
    "cnc/fixture-cnc-brief.md",
    "drawings/drawing-index.md"
  ],
  "honesty_gate": "Formulas and starter visuals are first-order planning aids only; final acceptance requires measured shell data, measured tuning, and human review.",
  "remaining_unknowns": [
    "No tuned handpan shell measurements are recorded.",
    "Dimple geometry, shoulder shape, and hammer sequence are tuner-defined and measurement-required.",
    "Heat treatment and surface treatment are supplier/process dependent.",
    "Gu response, cross-talk, sustain, partial balance, and post-settle drift are unmeasured.",
    "No MCP-generated CAD, render, hero image, exploded diagram, or annotated print plate was produced in this patch."
  ],
  "private_until": [
    "human handpan tuner review",
    "metal forming safety/process review",
    "supplier/IP/public-release review",
    "measured prototype validation data"
  ]
}