Core LangChain-ecosystem packages surfaced for editable installs.
The deepagents SDK is reported separately by /version, so it is omitted
here. These are the packages a local checkout is most likely to pin or
override, so their resolved versions help diagnose editable environments.
langchain-quickjs powers the built-in interpreter and is a core dependency
(not an optional extra), so it belongs here rather than under the optional
dependencies section.
