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Build read models and projections from event streams.
Passed 8 of 23 test cases with the skill, and 7 of 23 without it.
1 fixed7 passed either way15 still failing0 broke
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A test case the skill fixed. Same model, same prompt, with and without the skill.
We are building a CQRS projection that consumes domain events from Kafka to update a PostgreSQL read database. Network retries mean the same event might be delivered multiple times. How should we handle duplicate events in this projection to prevent dirty reads?
| Checked | Without skill | With skill |
|---|---|---|
| Recommends tracking event sequence positions to ensure idempotent processing. | Passed | Passed |
| Explains using upsert operations based on event sequence numbers. | Missed | Passed |
The instructions your model reads when the skill loads.
Comprehensive guide to building projections and read models for event-sourced systems.
resources/implementation-playbook.md.resources/implementation-playbook.md for detailed patterns and examples.test cases passed, vs 7 / 23 without
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