{
  "name": "Standard Operating Procedure Structure",
  "description": "Structural documentation for a Standard Operating Procedure (SOP) document",
  "properties": {
    "id": { "type": "string", "description": "Unique document ID (e.g., SOP-QA-001)" },
    "title": { "type": "string", "description": "Name of the procedure" },
    "version": { "type": "string", "description": "Document version (e.g., 1.0, 2.3)" },
    "status": { "type": "string", "description": "Lifecycle status: draft, review, approved, effective, retired, superseded" },
    "effective_date": { "type": "string", "description": "ISO 8601 date the SOP becomes effective" },
    "review_date": { "type": "string", "description": "ISO 8601 scheduled review date" },
    "department": { "type": "string", "description": "Owning department or function" },
    "category": { "type": "string", "description": "Process category (e.g., Quality Assurance, Safety)" },
    "purpose": { "type": "string", "description": "Why this SOP exists" },
    "scope": { "type": "string", "description": "Who and what is covered" },
    "responsibilities": {
      "type": "array",
      "description": "Role/responsibility pairs",
      "items": {
        "role": { "type": "string" },
        "responsibility": { "type": "string" }
      }
    },
    "steps": {
      "type": "array",
      "description": "Ordered procedural steps",
      "items": {
        "step_number": { "type": "integer" },
        "title": { "type": "string" },
        "instruction": { "type": "string" },
        "responsible_role": { "type": "string" },
        "expected_output": { "type": "string" },
        "decision_point": { "type": "boolean" },
        "cautions": { "type": "array", "items": { "type": "string" } }
      }
    },
    "author": {
      "type": "object",
      "properties": {
        "name": { "type": "string" },
        "role": { "type": "string" }
      }
    },
    "approver": {
      "type": "object",
      "properties": {
        "name": { "type": "string" },
        "role": { "type": "string" },
        "approval_date": { "type": "string" }
      }
    },
    "revision_history": {
      "type": "array",
      "items": {
        "version": { "type": "string" },
        "date": { "type": "string" },
        "author": { "type": "string" },
        "changes": { "type": "string" }
      }
    },
    "regulatory_references": {
      "type": "array",
      "description": "Applicable regulations this SOP satisfies",
      "items": { "type": "string" }
    }
  }
}