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df69a5c79b
Ghost rows in role_permissions with a live row marker but no permissions column can occur when permissions created via INSERT (e.g. by the removed auth v2 migration) are later revoked. The row marker survives the revoke, leaving a row visible to queries but with permissions=null. Add a has() guard before accessing the permissions column, matching the pattern already used in list_all(). Return NONE permissions for such ghost rows instead of crashing.