{
  "name": "VendorDocumentReview",
  "type": "object",
  "properties": {
    "vendor_id": {
      "type": "string",
      "description": "Vendor ID"
    },
    "vendor_name": {
      "type": "string",
      "description": "Vendor name"
    },
    "document_type": {
      "type": "string",
      "enum": [
        "Contract",
        "NDA",
        "W9",
        "COI",
        "Insurance",
        "Service Agreement",
        "Other"
      ],
      "description": "Type of document being reviewed"
    },
    "document_url": {
      "type": "string",
      "description": "URL to the document PDF"
    },
    "document_name": {
      "type": "string",
      "description": "Name of the document"
    },
    "review_notes": {
      "type": "string",
      "description": "Notes taken by vendor during review"
    },
    "annotations": {
      "type": "array",
      "description": "Document annotations (highlights, comments, drawings)",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string"
          },
          "type": {
            "type": "string",
            "enum": [
              "highlight",
              "comment",
              "question",
              "emoji",
              "signature"
            ]
          },
          "page_number": {
            "type": "number"
          },
          "selected_text": {
            "type": "string"
          },
          "comment": {
            "type": "string"
          },
          "emoji": {
            "type": "string"
          },
          "color": {
            "type": "string"
          },
          "position": {
            "type": "object",
            "properties": {
              "x": {
                "type": "number"
              },
              "y": {
                "type": "number"
              }
            }
          },
          "created_date": {
            "type": "string",
            "format": "date-time"
          }
        }
      }
    },
    "questions": {
      "type": "array",
      "description": "Questions or concerns about the document",
      "items": {
        "type": "object",
        "properties": {
          "question": {
            "type": "string"
          },
          "page_number": {
            "type": "number"
          },
          "status": {
            "type": "string",
            "enum": [
              "open",
              "answered",
              "resolved"
            ]
          },
          "answer": {
            "type": "string"
          }
        }
      }
    },
    "reviewed": {
      "type": "boolean",
      "default": false,
      "description": "Has vendor reviewed this document"
    },
    "reviewed_date": {
      "type": "string",
      "format": "date-time",
      "description": "When vendor marked as reviewed"
    },
    "acknowledged": {
      "type": "boolean",
      "default": false,
      "description": "Has vendor acknowledged/accepted the document"
    },
    "acknowledged_date": {
      "type": "string",
      "format": "date-time",
      "description": "When vendor acknowledged the document"
    },
    "time_spent_minutes": {
      "type": "number",
      "description": "Total time spent reviewing (in minutes)"
    }
  },
  "required": [
    "vendor_name",
    "document_type",
    "document_url",
    "document_name"
  ]
}