class Kitsune::Kit::OptionsBuilder

def self.build(current_options, required: [], defaults: {})
  current = current_options.transform_keys(&:to_sym)
  filled = defaults.dup
  defaults.keys.each do |key|
    env_key = key.to_s.upcase
    filled[key] = ENV[env_key] if ENV[env_key]
  end
  filled.merge!(current)
  missing = required.select { |key| filled[key].nil? }
  unless missing.empty?
    abort "❌ Missing required options: #{missing.join(', ')}"
  end
  filled
end