feat: Hidden Chats with Secret Code Access

[sandeep1027]

Before creating a feature request...

• I have read through the FAQ
• I have made sure this feature has not already been already suggested

Description

I would like to request a feature that allows users to hide selected chats and access them only by entering a secret code, similar to advanced privacy features in some messaging apps.
Key functionality:
1.Users can move specific chats into a hidden/locked section.
2.Hidden chats are completely invisible from the main chat list and archive.
3.To access them, the user must enter a secret code (via search bar, dial pad-style input, or hidden gesture).
4.No visible indication that hidden chats exist (for maximum privacy).
5.Notifications from hidden chats can be:
Fully hidden, or
Shown without revealing sender/message content.
This feature would provide a high level of privacy and stealth, especially for users who want to protect sensitive conversations even if someone else is using their device.

Describe the solution you'd like

N/A

Describe alternatives you've considered

No response

[SoCuul]

Hi! I like the idea, however it's unfortunately far too complex for this project.