validation

type TagInfo struct {
	Name        string            // Go field name
	JSONName    string            // JSON field name (from json tag)
	ParamType   string            // Parameter type: path, query, header, form, body
	ParamName   string            // Parameter name for path/query/header params
	Required    bool              // Whether field is required
	Constraints map[string]string // Validation constraints from validate tag
	Description string            // Documentation from doc tag
	Example     string            // Example value from example tag
	Tags        map[string]string // All struct tags for reference
}