Add End-to-End Local Notification Smoke Tes

[Abd-Standard]

Description

Create a lightweight smoke test that exercises the primary local notification path from event ingestion through notification generation.

The test should avoid sending messages to real external services.

Acceptance Criteria

A representative event can enter the local pipeline.

Event processing completes successfully.

A notification payload is generated.

External notification delivery is mocked or disabled.

The test can run reliably in CI.

Setup and execution are documented.

[abikedaniel22]

@abikedaniel22 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi Maintainer,

I would like to contribute to this project.

I am a full stack developer with a passion for software development, open-source collaboration, and artificial intelligence. I have experience working with JavaScript, Python, C++, and Rust, with a primary focus on frontend development using React, Next.js, and TypeScript.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @abikedaniel22 to this issue.