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check-cqrs-alignment

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Audits CQRS and Event Sourcing alignment. Checks command/query separation, projection idempotency, event store consistency, and read/write model synchronization.

skills/check-cqrs-alignment/SKILL.md

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# CQRS & Event Sourcing Alignment Audit

Analyze PHP code for proper CQRS implementation and Event Sourcing compliance.

## Detection Patterns

### 1. Command Returning Data

```php
// ANTIPATTERN: Command handler returns data (violates CQS)
final readonly class CreateOrderHandler
{
    public function handle(CreateOrderCommand $command): OrderDTO // Returns data!
    {