If Claude is building a vibecoding app, what does that mean for Lovable, Bolt, and the rest?

There are growing rumors that Anthropic is working on a vibecoding product for building full-stack apps. If that turns out to be true, it raises an interesting question: what happens when the model company starts owning the consumer layer too? We already have tools like Lovable, Bolt, and similar AI app builders that sit on top of foundation models. But their advantage has always been fragile.