Smithy-cli: ability to resolve fully a given shape by id

[ghostbuster91]

Hi,

This is a feature request.

Use case

Sometimes shapes created in smithy are quite complex and it is not obvious at first glance how given shape looks like in the end without navigating to every mixin in the hierarchy.

Proposed solution

It would be if smithy-cli could resolve a given shape given its ID.
This could be similar to what smithy-cli ast --flatten is doing but limited to only given shape id.

Another way to approach this would be to extend select command with an ability to return entire shapes not just IDs.

At first, this could return the json representation of the smithy model but ideally there would be an option to present it in a more user-friendly way. E.g. as a smithy shape.

Example:
given:

@mixin
structure MyTrait {
   name: String
}

structure MyStruct with [MyTrait] {
    age: Int
}

would print:

structure MyStruct {
    name: String
    age: Int
}