{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Recipe Validation Rules Output Schema",
  "description": "Schema for validation rule discovery output",
  "type": "object",
  "required": ["version", "extracted_at", "validation_rules"],
  "properties": {
    "version": {
      "type": "string",
      "description": "The goose version these rules apply to"
    },
    "extracted_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO timestamp when rules were extracted"
    },
    "validation_rules": {
      "type": "array",
      "description": "List of validation rules",
      "items": {
        "type": "object",
        "required": ["rule_id", "category", "description", "affected_fields", "error_message"],
        "properties": {
          "rule_id": {
            "type": "string",
            "description": "Unique identifier for the rule (e.g., 'prompt_or_instructions_required')"
          },
          "category": {
            "type": "string",
            "description": "Category of validation (e.g., 'required_fields', 'parameters', 'structure')",
            "enum": ["required_fields", "parameters", "structure", "schema", "cross_field"]
          },
          "description": {
            "type": "string",
            "description": "Human-readable description of the validation rule"
          },
          "affected_fields": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "List of Recipe fields this rule validates (e.g., ['instructions', 'prompt'])"
          },
          "requirement_type": {
            "type": "string",
            "description": "Type of requirement (e.g., 'at_least_one', 'conditional', 'required', 'optional')"
          },
          "condition": {
            "type": "string",
            "description": "Condition when rule applies (e.g., 'When requirement=optional')"
          },
          "error_message": {
            "type": "string",
            "description": "Exact error message users see when validation fails"
          },
          "validation_function": {
            "type": "string",
            "description": "Name of the validation function in code (e.g., 'validate_optional_parameters')"
          },
          "introduced_in": {
            "type": "string",
            "description": "Version when rule was introduced (default: 'unknown' for V1)"
          },
          "last_modified": {
            "type": "string",
            "description": "Version when rule was last modified"
          },
          "code_snippet": {
            "type": "string",
            "description": "Relevant code snippet showing validation logic"
          }
        }
      }
    }
  }
}