Yes the view layer will be introduced in 2.1. We have hanami-view ready but we need to build hanami-assets and hanami-helpers + add integration code to the main hanami gem.
Hanami is not a micro-framework, it is composed of multiple gems though, so if you remove them all you're left with a core of the framework that doesn't do anything except providing an API for plugging in components, configuring them and managing their state.
When it comes to differences - Sinatra is not as feature rich and it's got a less powerful plugin system. Roda has a completely different router using so called Routing Tree, which Hanami doesn't have (it's got something more akin to what Rails has) but it's also highly extendible through plugins, so there is similarity there. A huge difference is that Hanami ships with a very powerful code loading system that supports automatic dependency injection mechanism.
Haha no it's just an example of a custom directory that you can place under app dir We're still thinking about an abstraction for operation-like objects (I actually started experimenting with this a couple of months ago) but I don't think it will become part of the main Hanami stack.
You missed the context of this example - it's just there to show that IF you don't want to use constructor DI, you can put things in lib and they won't become part of the automatic DI system
You're right in principle but not in this case. Zeitwerk is not a regular dependency, it's stable and the risk it will change in an incompatible way is very minimal (reminder - it's used by Rails too). When it comes to dry-rb as deps - dry-rb core team == hanami core team. This means we are on top of the things and we'll ensure that things are evolving together w/o breaking anything.
What you're describing should've been reported as a bug because we do use metaprogramming for DSLs but the "runtime" objects are actually designed to have very minimalistic public API. I can assure you we do not put clean syntax above all else but we do like clean DSLs that reduce boilerplate