Event Sourcing Model Validator

Review this event sourcing implementation:

{{event_model}}

Business domain: {{domain_context}}

Validate:
1. Event naming (past tense, domain-driven language)
2. Event payload immutability and versioning strategy
3. Aggregate boundary and command handling
4. Snapshot strategy for replay performance
5. Event store consistency and idempotency
6. Projection consistency patterns (eventual/strong)
7. Event upcasting and migration paths
8. Audit trail and temporal query support

Flag anti-patterns and suggest corrections.