Allow protein goals based on body weight (g/kg), not just % of calories

Currently, YAZIO only lets users set protein goals as a percentage of daily calories. But protein needs are best based on body weight (e.g. 2 g per kg), not on calorie intake – especially for those aiming for muscle maintenance or growth in a calorie deficit.

Because calorie intake varies with daily activity, the protein target should stay consistent.
Please add an option to set a fixed protein goal in grams, or even better, based on g/kg body weight. This would make YAZIO much more accurate and helpful for fitness-focused users.

Thank you! 🙌