Feature: Add Focus Mode for Distraction-Free Messaging

[TomHacker69]

Description

Frequent notifications and UI distractions can interrupt meaningful conversations.

Proposed Solution

Introduce an optional Focus Mode that minimizes non-essential interface elements while chatting.

Suggested Changes

• Hide sidebars
• Disable non-critical notifications
• Full-screen messaging
• Toggle mode
• Keyboard shortcuts
• Auto-exit option

Expected Outcome

Provides a cleaner communication experience.

Suggested Labels

enhancement, UI