refactor: reverse execution order of interceptors in the after interceptor

[guglielmo-san]

Description

This PR reverses the execution order of interceptors in the interceptAfter method. It ensures symmetry with interceptBefore, meaning the last interceptor called during the 'before' phase is the first one called during the 'after' phase.

[gemini-code-assist]

Summary of Changes

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This pull request refactors the _interceptAfter method to reverse the order in which 'after' interceptors are executed. This change establishes a symmetrical interception flow, where the processing order for 'after' interceptors mirrors the inverse of 'before' interceptors. The update includes modifying the core logic and adjusting a corresponding test case to validate the new behavior.

Highlights

• Interceptor Execution Order: The execution order of 'after' interceptors has been reversed to ensure symmetry with 'before' interceptors. This means the last interceptor called during the 'before' phase will now be the first one called during the 'after' phase.
• Code Refinement: The _interceptAfter method now explicitly creates a reversed list of interceptors for processing, simplifying the logic and removing a redundant check for empty interceptor arrays.
• Test Alignment: A relevant test case has been updated to reflect the new reversed execution order of 'after' interceptors, ensuring the expected behavior is correctly validated.

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[gemini-code-assist]

Code Review

This pull request correctly refactors the interceptAfter method to reverse the execution order of interceptors, establishing a symmetrical LIFO (Last-In, First-Out) pattern relative to the interceptBefore phase. The implementation is robust, handling various scenarios of provided or configured interceptors gracefully by safely creating a reversed shallow copy. The accompanying test modifications in multitransport-client.spec.ts are appropriate and ensure the test suite correctly validates the new execution order. Overall, this is a solid improvement to the interceptor logic.