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Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design.
Passed 19 of 22 test cases with the skill, and 18 of 22 without it.
1 fixed18 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
A test case the skill fixed. Same model, same prompt, with and without the skill.
Review a FastAPI route handler function that parses JSON, validates email format against a regex, checks database for duplicate users, constructs a password hash, inserts a record using raw SQL, and formats an HTTP response. Provide the refactored controller code.
| Checked | Without skill | With skill |
|---|---|---|
| The refactored controller delegates core business actions to a use case handler. | Missed | Passed |
| The refactored controller removes direct database query code. | Passed | Passed |
The instructions your model reads when the skill loads.
Master proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design to build maintainable, testable, and scalable systems.
Layers (dependency flows inward):
Key Principles:
Components:
test cases passed, vs 18 / 22 without
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