Programmable applications is indeed the way things should go. And the programmability has to be immediate. Compare the slippery slope of customizing emacs to the burden of writing an Eclipse plugin. Most of the things that go by the name "plugin architecture" have a large barrier to entry because of the complex, heavyweight relationship of a plugin to its host environment.
Programmable applications is indeed the way things should go. And the programmability has to be immediate.
Then you should look at Smalltalk. Just deploy with the compiler and dev tools in the image. You can quickly visually inspect every object in the image and write a script against it, and run it instantly.
