{
  "path": "skills/epd-compare/SKILL.md",
  "responsibility": "Compare EPD products on normalized GWP and other impacts while checking declared units, system boundaries, and LEED eligibility. Use for side-by-side EPD comparison.",
  "inputs": "Supplied task and selected source scope; exact destination only for requested persistence or application work. Load project context only when the task needs project records.",
  "owned_records": [],
  "non_owned_records": [
    "PROJECT.md",
    "STUDIO.md",
    "TASKS.csv",
    "TIME.csv",
    "proposals/",
    "agreement/",
    "INVOICES.csv",
    "ffe/items-and-schedules",
    "product-library.csv",
    "epd-library.csv",
    "ffe/jobs/input-manifests"
  ],
  "delegation": "inherit-scope-target-permissions-and-evidence",
  "modes": [
    {
      "mode": "answer"
    },
    {
      "mode": "file-read",
      "when": "When reading selected source documents or authorized supplied evidence.",
      "required": [
        "file.read"
      ],
      "optional": [
        "pdf.read"
      ]
    },
    {
      "mode": "file-output",
      "when": "Only for requested rows, reports or specification files at an authorized destination; inline work needs no write.",
      "required": [
        "file.read",
        "file.write"
      ],
      "optional": [
        "process.run"
      ]
    },
    {
      "mode": "delegate",
      "when": "Only for requested extraction/research owner coordination or project facts/decisions and registered documents; inherit exact targets, source evidence and existing authorization."
    },
    {
      "mode": "research",
      "when": "Only when requested substantive findings require applicable original source/standard documents beyond authorized supplied evidence; metadata-only listing needs no retrieval."
    },
    {
      "mode": "record-read",
      "when": "Only when consuming an existing selected project-root EPD library; native validation changes no records. Standalone supplied CSV inspection uses file-read and the EPD schema without project adoption.",
      "required": [
        "file.read"
      ],
      "optional": [
        "process.run"
      ]
    }
  ],
  "execution": {
    "model": "harness-native",
    "contract": "tools/workspace/epd-library-contract.md",
    "operations": [
      "product_library.validate"
    ]
  }
}