refactor: improve error handling and parameter validation | 02/02/2025

[Programador-jr]

Description:
This PR introduces the following improvements and fixes to the API:

• Enhanced Error Handling: Improved validation for query parameters like fields, lang, page, and limit, ensuring clearer error messages and better feedback for users.
• Refactored Error Messages: Standardized and improved error messages in both English and Portuguese for consistency.
• Dynamic Filter Validation: Implemented stricter validation for filter parameters to ensure only valid values are processed.
• Validation and Fixes:
  • Fixed an issue where invalid fields parameters were not correctly handled.
  • Improved filtering logic to prevent incorrect values from appearing in available options.
  • Optimized response structure to ensure accurate multilingual support.

Checklist:

• Improved parameter validation.
• Standardized error messages across the API.
• Enhanced filter validation logic.
• Optimized response handling for multilingual support.

Impact:
These updates improve the API’s robustness, making error handling more reliable and ensuring better validation of user inputs.

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Name	Status	Preview	Updated (UTC)
exercise-api	✅ Ready (Inspect)	Visit Preview	Feb 3, 2025 0:14am