solution

[GTXtab]

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[mateacademy-ai-mentor]

Review Summary

Your implementation fully satisfies all task requirements and is approved. All CRUD operations for both Users and Expenses APIs are correctly implemented with proper HTTP status codes (200, 201, 204, 400, 404). The Sequelize models properly define the database schema with PostgreSQL persistence, and filtering for expenses (by userId, date range from/to, and categories) works as expected. The code handles validation and error cases appropriately throughout. The one minor observation is that the Content-Type header relies on express.json() middleware rather than explicitly setting charset=utf-8, but this is not a blocker since express.json() handles JSON encoding correctly and this is a common pattern in Express applications. Great work on implementing a complete and functional solution!

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