Backend:

• Write a new service in Golang to schedule messages, create broadcast list, see read receipts, see read messages count …
• Databases: Mongo + Clickhouse + Redis
• WM server (Whatsapp listener + sender): reuse existing

Frontend:

• a new Nextjs frontend

Data structures

Use cases:

1. Tag a contact as friend / networker / influencer
2. See all contacts & groups. Filter by tag / name, add to a list / take a bulk action
3. Schedule messages:

• a personalized message to all investors on Sunday evening
• a message to multiple groups from single number
• a message from nutritionist of the group to all groups in batch:8th_Jan

<aside> ⚠️ Show a warning that x number of individuals are part of multiple lists and ask for confirmation on whether to send them multiple times, or send the 1st list message ?

</aside>