Extending Laravel/Lumen Query Builder to automagically add SQL comments

I use a large RDS database instance that is shared among several different projects (not microservices to be exact) and this database’s performance is critical. Hence I monitor the queries whenever support team raise tickets related to performance of our services. So in order for me to track where each query originated from i.e, which app, file and line number, I want to automatically add a SQL comment for all queries. So when I call toSql() on the query builder object it must show me the comment