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Add currency conversion endpoint (GET /exchange/{amount}/{from}/{to}/{rate})
supporting BRL<->USD and BRL<->EUR conversions with input validation.
- Well-structured OOP: Currency enum, Validator, Converter, Router, Response
- PHP 8.1+ with strict types, PHPStan level 9 compliant
- PHPUnit unit tests for all classes
- Docker setup for local development
- Upgraded Codeception to v5 for PHP 8.3 compatibility
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Summary
GET /exchange/{amount}/{from}/{to}/{rate})Currencyenum,Validator,Converter,Router,Responseclassesdocker compose up)Architecture
CurrencyValidatorValidationExceptionConverteramount × rate)RouterResponseTest plan
composer test— 14 Codeception integration tests passcomposer unit-test— 19 PHPUnit unit tests passcomposer lint— PHPCS cleancomposer analyse— PHPStan level 9, no errors