[Epic] Dashboard features for scheduled broadcast system

[viganogabriele]

Overview

This epic tracks the dashboard features required for the scheduled broadcast system.

The full broadcast system is defined in the master epic: PoliNetworkOrg/telegram#120

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Context

The broadcast system allows admins to:

1. Create tags (groupings of channels) via dashboard
2. Use command in Telegram to compose messages
3. Schedule or send immediately to all groups in a tag
4. Track delivery status

This epic focuses on the dashboard components of that system.

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Dashboard Sub-issues

• [Epic] Dashboard features for scheduled broadcast system #26: Tag system for groups
• [Broadcast] Tag system for groups #27: Dashboard views for announcements

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Labels: enhancement