{
  "schema_version": "v5-explorer-2026-05-18",
  "repo": "tonykoop/ocarina",
  "issue": 1,
  "title": "Slip-Cast Ceramic Ocarina (OCA-001) - V5 explorer candidate",
  "generated": "2026-05-18",
  "readiness": {
    "status": "V5 explorer/build-packet candidate",
    "fabrication_authority": "candidate only; not build-ready",
    "measurement_status": "chamber volume, voicing, shrinkage, and tuning require physical measurement",
    "governing_model": "Helmholtz vessel flute"
  },
  "files_included": [
    "README.md",
    "design.md",
    "bom.csv",
    "sourcing.csv",
    "cut-list.csv",
    "drawing-brief.md",
    "assembly-manual.md",
    "validation.csv",
    "validation-loop.csv",
    "family-spec.csv",
    "visual-output-register.csv",
    "supplier-rfq.md",
    "visual-bom-brief.md",
    "wolfram-starter.wl",
    "cad/ocarina_master.scad",
    "cad/mcp-session-log.md",
    "drawings/ocarina-body-section.svg",
    "drawings/ocarina-hole-layout.svg",
    "drawings/ocarina-mold-schematic.svg",
    "images/hero-concept.png",
    "images/exploded-view-concept.png",
    "images/mold-cross-section-concept.png",
    "explorer.html",
    "explorer.generated.html",
    "site/index.html",
    "capstone-deck.md",
    "capstone-deck.pptx",
    "print-packet.md",
    "print-packet.html",
    "print-packet.pdf"
  ],
  "outputs": {
    "explorer": "explorer.html",
    "generated_explorer_summary": "explorer.generated.html",
    "site": "site/index.html",
    "capstone_deck_markdown": "capstone-deck.md",
    "capstone_deck_pptx": "capstone-deck.pptx",
    "print_packet_markdown": "print-packet.md",
    "print_packet_html": "print-packet.html",
    "print_packet_pdf": "print-packet.pdf"
  },
  "authority_registers": {
    "family_spec": "family-spec.csv",
    "visual_output_register": "visual-output-register.csv",
    "validation_loop": "validation-loop.csv",
    "mcp_session_log": "cad/mcp-session-log.md"
  },
  "release_gates": [
    "Measure fired clay shrinkage before freezing the master scale factor.",
    "Measure water-fill chamber volume at greenware, bisque, and glaze-fire stages.",
    "Validate fipple response, windway gap, labium edge, and all-closed pitch on OCA-P0/OCA-P1.",
    "Record measured frequencies and cents errors before promoting the 12-hole layout.",
    "Export/review DXF or production CAD only after empirical voicing validation."
  ],
  "notes": [
    "All paths are repository-relative.",
    "Generated images are concept/support assets only and are not fabrication authority.",
    "The installed acoustic-law validator does not expose a Helmholtz vessel-flute vocabulary value, so family-spec.csv uses measurement-required planning rows and keeps the Helmholtz caveat in prose."
  ]
}