runtime

type DataSource interface {
	// Get retrieves a value from the data source by path.
	// Path is a dot-separated string (e.g., "path.id", "query.page").
	// Returns the value and true if found, nil and false otherwise.
	Get(path string) (any, bool)
}

type EnvSource struct {
	Env map[string]string
}

type Evaluator interface {
	AddSource(name string, source DataSource)
	Evaluate(expr string) (any, error)
}

type RequestSource struct {
	PathParams  map[string]string
	QueryParams map[string][]string
	Headers     map[string][]string
	Body        any
	Cookies     map[string]string
}

type StateSource struct {
	Data map[string]any
}