{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "AMTECH Job Estimate",
  "description": "Structured output for the AMTECH estimate skill (amtech-job-estimate/v1).",
  "type": "object",
  "required": ["customer", "job", "lineItems", "totals", "assumptions"],
  "properties": {
    "customer": { "type": "string" },
    "job": { "type": "string" },
    "lineItems": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["description", "category", "quantity", "unit", "unitPrice", "lineTotal"],
        "properties": {
          "description": { "type": "string" },
          "category": { "type": "string", "enum": ["labor", "materials", "fee", "other"] },
          "quantity": { "type": "number", "minimum": 0 },
          "unit": { "type": "string" },
          "unitPrice": { "type": "number" },
          "lineTotal": { "type": "number" }
        }
      }
    },
    "totals": {
      "type": "object",
      "required": ["currency", "subtotal", "grandTotal"],
      "properties": {
        "currency": { "type": "string" },
        "subtotal": { "type": "number" },
        "adjustments": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["label", "kind", "amount"],
            "properties": {
              "label": { "type": "string" },
              "kind": { "type": "string", "enum": ["tax", "markup", "discount", "fee"] },
              "amount": { "type": "number" }
            }
          }
        },
        "grandTotal": { "type": "number" }
      }
    },
    "assumptions": { "type": "array", "items": { "type": "string" } }
  }
}