Given the system that has multiple bundles, each having it's own Camel context and zero or more JAX-RS beans (each having a path-prefix defined), how to organise the whole system, so that:
I'd like to ask for a little bit verbose answer, please.
It looks you are using CXFSeverlet OSGi transport which is support to routing the request message acrose the bundles. You just need to setup the different relative path to the endpoint.
You can configure different interceptor per endpoint to handle the request and response different even they are using same transport which you cannot change that.