Address resolved feedback on temporalAuthResult struct

[Copilot]

This PR addresses feedback from #81 regarding the temporalAuthResult struct in the Thand authorization workflow. The comment thread has been marked as resolved.

Current State

The temporalAuthResult struct already includes the AuthRequest field:

type temporalAuthResult struct {
	Index        int
	Identity     string
	AuthRequest  *models.AuthorizeRoleRequest  // Field exists
	AuthResponse *models.AuthorizeRoleResponse
	Err          error
}

The field is properly assigned when collecting results from parallel authorization tasks:

results[result.Index] = authResult{
	Identity:     result.Identity,
	AuthRequest:  result.AuthRequest,  // No compilation error
	AuthResponse: result.AuthResponse,
	Error:        result.Err,
}

No changes required - the feedback was addressed in the original implementation.

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