refactor: skip notifying for sub accounts with 0 weight

[jtourkos]

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[railway-app]

🚅 Environment sprinkler-pr-15 in Drips App has no services deployed.

[Copilot]

Pull Request Overview

This PR refactors the weight validation logic to skip notification for sub-accounts with 0 weight, specifically targeting repo sub-accounts which can legitimately have no splits configured.

• Adds a new utility function to identify repo sub-account driver IDs through bit manipulation
• Updates weight validation logic to silently skip repo sub-accounts with 0 weight instead of treating them as errors
• Refactors the checkTotalWeight function control flow for better clarity

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
src/isRepoSubAccountDriverId.ts	New utility function to identify repo sub-account drivers by extracting driver type from account ID bits
src/index.ts	Updated weight validation to skip notifications for repo sub-accounts with 0 weight and improved control flow

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