[Test] Test the SDK realy handling

[red-0ne]

Objective

Test the SDK relay handling logic and and have it as an example use case and reference it in the documentation.

Origin Document

In order to document how the SDK handles relay requests with a working example, create an example test that documents and exercises the different components involved in the relay request workflow.

Goals

• Demonstrate how the SDK relay handling logic works.
• Test the SDK happy path.

Deliverables

• A single PR testing the SDK relay handling happy path

Non-goals / Non-deliverables

• Test all the code paths of the SDK

General deliverables

• Comments: Add/update TODOs and comments alongside the source code so it is easier to follow.
• Testing: Add new tests (unit and/or E2E) to the test suite.
• Makefile: Add new targets to the Makefile to make the new functionality easier to use.
• Documentation: Update architectural or development READMEs; use mermaid diagrams where appropriate.

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Creator: [@red-0ne ]
Co-Owners: [@adshmh ]