compliance

type Context = context.Context

type Report struct {
	Compliant  bool
	Standard   string // e.g., "PDF/A-1b", "PDF/X-4"
	Violations []Violation
}

type Validator interface {
	Validate(ctx Context, doc *semantic.Document) (*Report, error)
}

type Violation struct {
	Code        string
	Description string
	Location    string
}