Address design feedback on role schema optimization

[Copilot]

Summary

Responded to architectural feedback questioning whether schema version tracking adds unnecessary complexity for infrequent schema changes (~1/year).

List of Changes

• Added comment response analyzing trade-offs between optimization benefit and added complexity
• No code changes - awaiting decision on preferred approach

Detailed Description

A question was raised about whether the role schema version tracking system is overkill given that role/permission schemas change approximately once per year.

Analysis provided:

The optimization addresses post_migrate signal overhead that occurs on every migration (135+ in repo), not just when roles change. Before optimization: ~215 DB operations × project count per deployment.

Scale considerations:

• Small deployments (<10 projects): Added complexity may not justify the benefit
• Large deployments (100+ projects): 99.9% query reduction (21,500→2) compounds over frequent deployments

Alternative approaches suggested:

1. Remove schema tracking entirely, keep only bulk operations optimization (14x speedup)
2. Make role creation fully manual - remove post_migrate signal, use management command only
3. Replace MD5 hashing with simpler flag-based approach

Awaiting feedback on typical project count and deployment frequency to determine appropriate level of optimization.

How to Test the Changes

No testing required - this is a design discussion point.

Deployment Notes

None - no code changes in this update.

Checklist

• I have tested these changes appropriately.
• I have added and/or modified relevant tests.
• I updated relevant documentation or comments.
• I have verified that this PR follows the project's coding standards.
• Any dependent changes have already been merged to main.

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[mihow]

This auto generated discussion is part of #1097