14 tasks covering: - Queue and QueueAgent database models - QuickReply model for fast responses - AssignmentService with round-robin, least-busy, skill-based - Conversation transfers (queue, agent, bot) - Internal notes system - Agent status management - Supervisor dashboard API - Frontend: Queues page, enhanced Inbox, Supervisor Dashboard Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>