- TransferButton: transfer ticket to another staff member
- PriorityButton: set ticket priority (low/normal/high/urgent)
- LockButton: lock/unlock ticket (toggle channel permissions)
- StatsButton: show ticket info (category, user, claimed, priority, messages)
- on_message listener: records all messages for transcript
- TicketData: added locked, priority fields
- ClaimButton: staff claim/unclaim with log
- AddMemberButton: UserSelect to add member to ticket channel
- TicketManagementView: persistent LayoutView with all 3 buttons
- claimed_by field in TicketData
- Buttons registered as persistent views for bot restart survival