Prompt

Migrate from CRUD to CQRS architecture.

<current_architecture>
{existing CRUD patterns}
</current_architecture>

<performance_issues>
{read/write bottlenecks}
</performance_issues>

<complexity_tolerance>
{team experience with CQRS}
</complexity_tolerance>

Migrate:
1. Command/query separation
2. Read model design
3. Event propagation
4. Consistency boundaries
5. Testing strategies
6. Gradual migration path