{
  "packet": "electric-violin",
  "mode": "root",
  "title": "Electric Violin Bare-Bones Starter Packet",
  "instrument": "Electric Violin",
  "build_target": "solid-body 4-string electric violin with optional 5-string variant",
  "artifact_focus": "L2 starter packet for electric bowed string prototype planning",
  "readiness": "L2-scaffold",
  "release_status": "private review",
  "packet_version": "barebones-r3-starter",
  "generated": "2026-05-09",
  "family_members": [
    "electric bowed string",
    "solid-body electric violin",
    "4-string violin",
    "optional 5-string violin"
  ],
  "cultural_provenance": {
    "claim": "This packet is an engineering scaffold for an electric violin prototype. It does not claim historical violin-making authority, measured acoustic performance, or production-ready electronics."
  },
  "physical_design_anchors": {
    "scale_length": "328 mm / 12.91 in baseline assumption; verify against final bridge and setup",
    "tuning": "G3-D4-A4-E5 baseline with optional C3-G3-D4-A4-E5 variant",
    "pickup": "piezo bridge assumed; exact bridge and preamp require sourced hardware drawings",
    "authority_boundary": "design.md, validation.csv, real hardware measurements, CAD review, and setup tests outrank this showcase page"
  },
  "release_gate": {
    "public_candidate": false,
    "required_before_public": [
      "Select the 4-string or 5-string baseline and the actual pickup bridge.",
      "Replace TBD validation rows with measured setup, stiffness, signal, and balance data.",
      "Add CAD drawings or fabrication geometry reviewed against sourced hardware.",
      "Verify sourceability, lead time, and pricing before purchase recommendations.",
      "Photograph body layout, electronics, first signal test, and playing posture."
    ]
  },
  "files_included": [
    "design.md",
    "bom.csv",
    "sourcing.csv",
    "cut-list.csv",
    "drawing-brief.md",
    "assembly-manual.md",
    "validation.csv",
    "supplier-rfq.md",
    "visual-bom-brief.md",
    "electric-violin-starter.wl",
    "README.md",
    "photo-shotlist.md",
    "risks.md",
    "explorer.html"
  ],
  "generated_artifacts": [
    "capstone-deck.md",
    "capstone-deck.pptx",
    "print-packet.md",
    "print-packet.html",
    "print-packet.pdf",
    "explorer.html"
  ],
  "asset_discovery": {
    "images": [],
    "drawings": [
      "drawings/README.md"
    ],
    "cad": [
      "cad/README.md"
    ]
  },
  "engineering": {
    "design_tables": [
      "electric-violin-design-table.xlsx"
    ],
    "cad_sources": [],
    "analysis": [
      "design.md",
      "validation.csv",
      "risks.md"
    ],
    "wolfram": [
      {
        "source_file": "electric-violin-starter.wl",
        "cloud_path": "electric-violin-starter.wl",
        "kind": "local-wl",
        "permission": "local"
      }
    ]
  },
  "sources": [
    {
      "title": "Repository README",
      "credit": "Electric violin packet summary and readiness boundary",
      "url": "README.md"
    },
    {
      "title": "Design document",
      "credit": "String model assumptions and unresolved CAD/electronics gaps",
      "url": "design.md"
    },
    {
      "title": "Validation table",
      "credit": "TBD measurement plan for scale, tension, stiffness, signal, balance, and action",
      "url": "validation.csv"
    }
  ],
  "notes": [
    "Starter scaffold only; do not treat generic hardware assumptions as sourced dimensions.",
    "Use the HTML print packet for review, but update it after measured values and sourced hardware are available."
  ]
}