That's what Postgres is. One home with many rooms. Search, vectors, time-series, queues—all under one roof.
But this is exactly what specialized database vendors don't want you to hear. Their marketing teams have spent years convincing you to "use the right tool for the right job." It sounds reasonable. It sounds wise. And it sells a lot of databases.
Let me show you why it's a trap and why Postgres is the better choice in 99% of cases.