Moved the constants to the dedicated class.

[akohan91]

Summary

Moved all static constants from libak_RestFramework to a new dedicated libak_RestConstants class to improve code organization and separation of concerns.

Changes

• New Class: Created libak_RestConstants class containing all HTTP status codes, header names, content types, and error messages
• Updated Classes: Refactored libak_RestFramework and all dependent classes to reference libak_RestConstants instead
• Updated Tests: Modified all test classes to use the new constant references
• Documentation: Updated API_Reference.md to reflect the new class structure

Impact

• ✅ Better separation of concerns - constants are now in a dedicated class
• ✅ Improved maintainability - constants have a single source of truth
• ✅ No breaking changes to functionality - all tests pass
• ⚠️ Breaking change: External code referencing libak_RestFramework.HTTP_CODE_* or similar constants must update to libak_RestConstants.*

Files Changed

• New: libak_RestConstants.cls and metadata
• Modified: 7 framework classes, 6 test classes
• Documentation: API_Reference.md

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This is a refactoring improvement that enhances code organization while maintaining all existing functionality.

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💚 PMD Analysis: No issues found

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💚 PMD Analysis: No issues found

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💚 Deployment Validation Results:

• Status: Success