Implement model loading event

[safaricd]

Change Description

With this PR we introduce a new type of events, ModelLoadEvent. It's purpose is logging the model load state - whenever the user failed or succeeded to load a model, alongside with failure information.

[gemini-code-assist]

Summary of Changes

Hello @safaricd, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the telemetry system by introducing a dedicated ModelLoadEvent. This event is designed to provide comprehensive logging for model loading attempts, recording whether the operation was successful or encountered a failure, along with relevant contextual details. This addition will improve observability and aid in diagnosing issues related to model deployment and availability.

Highlights

• New Telemetry Event: Introduced a new ModelLoadEvent to track the status of model loading operations within the system.
• Event Details: The ModelLoadEvent captures essential information such as the user's install_id, the model_name, the status of the load (success or failed), and a failure_reason if applicable.
• Telemetry Integration: The new event has been integrated into the telemetry system's public exports, making it available for use and logging.

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[gemini-code-assist]

Code Review

This pull request introduces a new telemetry event, ModelLoadEvent, to track the success or failure of model loading. The implementation is straightforward and follows the existing structure for events. However, I've identified a critical omission: there are no tests for the new ModelLoadEvent. It's important to add unit tests to verify its behavior. I've also provided a few suggestions on the implementation of ModelLoadEvent itself to improve its data consistency and analytical value. Specifically, I recommend making the status field mandatory, adding an install_date for consistency, and using __post_init__ to ensure failure_reason is only present for failed loads. Addressing these points will make the new event more robust and useful.

[noahho]

Please take a look at AI comments before review