Prompt

Implement event sourcing for audit and replay.

<domain_model>
{current domain entities}
</domain_model>

<audit_requirements>
{compliance and audit needs}
</audit_requirements>

<use_cases>
{replay and temporal query needs}
</use_cases>

Implement:
1. Event schema design
2. Event store selection
3. Projection strategies
4. Snapshot optimization
5. Event versioning
6. CQRS integration