jack e2b0632879 Add read receipts for private messages ...

- Added ReadReceipt structure and .readReceipt message type
- Added .read delivery status with blue checkmarks in UI
- Send read receipts when viewing a private chat
- Send read receipts immediately for new messages if chat is open
- Update message status from delivered to read when receipt received

2025-07-06 21:49:56 +02:00

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ChatViewModel.swift

Add read receipts for private messages

2025-07-06 21:49:56 +02:00