bb-dsl 0.3.4

Authoring DSL for the bytesandbrains framework — Module trait, Graph, Output, contracts, placeholders, concrete-component plumbing.
bb-dsl-0.3.4 has been yanked.
Visit the last successful build: bb-dsl-0.3.6

Authoring DSL for bytesandbrains. Output handles, Contract traits, placeholders, and ConcreteComponent. Depends only on bb-ir. Module::build() records the composition tree into one ModelProto that bb-compiler consumes separately.