Configure a specific session to be excluded from idle checks

## Motivation

Configure a specific session to be excluded from idle checks

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## Required Features

[Clearly describe the features or functionality needed for this Story.]

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## Impact

[Specify which components or services will be affected by this Story.]

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## Testing Scenarios

[Outline test cases or scenarios for validating the implementation.]

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JIRA Issue: BA-7120

The issue does not name any files, tests, entry points, affected components, or concrete testing scenarios. Start by locating the session idle-check implementation and the existing session configuration model, then clarify how one session should be identified and what behavior should demonstrate that the exclusion is complete.

Written by the indexing model from the issue text.