[WIP] Add debug logging for auto-populate responsibility assignments

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>fix: debug auto-populate responsibility assignments by group</issue_title>
<issue_description>The auto-populate by group functions aren't working. Add comprehensive debug logging so we can analyze what exactly is failing.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes fix: debug auto-populate responsibility assignments by group #8

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