Customer Support Ticket Schema

Create a support data model covering tickets, messages, priority, assignment, SLA and status history.

Create a support data model covering tickets, messages, priority, assignment, sla and status history.

Use these inputs:
- support channels: [support channels]
- priority rules: [priority rules]
- team roles: [team roles]

Return the finished result first. Then add a short assumptions note and three practical improvements. Do not invent facts, research, testimonials or results. If one essential detail is missing, use the safest reasonable assumption and label it instead of restarting with a long questionnaire.