"Create a practical Indonesian-friendly master sauce recipe guide for stir-fried noodle and rice dishes, including separate balanced sauces for nasi goreng, bakmie, kwetiau, bihun, and udon. Use ingredients that are easy to find in Indonesia. Keep flavors balanced, not too salty and not too sweet. Provide imperial units only. Include a brief note on how to adjust each sauce for different dish styles and a simple usage ratio per serving."