providers

type Provider interface {
	// Metadata
	Language() string
	Extensions() []string
	SupportedQueryTypes() []string

	// Core operations
	Query(source string, query core.AgentQuery) core.QueryResult
	Transform(source string, op core.TransformOp) core.TransformResult
	Validate(source string) ValidationResult

	// Observability
	Stats() Stats
}

type Registry struct {
	// contains filtered or unexported fields
}

type Stats struct {
	BorrowCount int64 `json:"borrow_count"`
	ReturnCount int64 `json:"return_count"`
	Active      int64 `json:"active"`
}

type ValidationResult struct {
	Valid  bool     `json:"valid"`
	Errors []string `json:"errors,omitempty"`
}