Flutter Mental Health App Development

i needed Flutter Mental Health that their features:
- patients / doctors / doctor assistants / pharmacy representative: can register / login / reset password / logout
- profile module
- patients can appointment an online consultation through video / audio / chat (every method with their price) with different type of consultation like read medical document or direct online contact or physically booking in specific calendar.
- doctor assistants manage all doctor work and direct channel with the doctor for verification purposes and doctor can control all their work
- docotor send medical drugs paper to the pharmacy with their patients details to securely buy it
- video / audio / chat communication
- push notification
- patients can change full their medical folder to another doctor
- review module
*** - payments module (through phone operators = sold from users in their phone)
- speech to text change to saved on the patients folder (api)
- face and voice and Sentiment analyzer (api)
- kyc and face verification (api)
- withdraw money for doctors
- post from doctors like tips, video, free consultation for all patients (follow doctors module)
etc...

>>> please very important for us to give your plan and suggestions about the app.