Adds base URL support for Cloudflare WorkersAI (langchain-ai#2970)

* Adds base URL support

* Cleanup

Adds Cloudflare Workers AI LLM and chat model (langchain-ai#2923)

* Adds Cloudflare Workers AI LLM and chat model

* Formatting

Add Vercel KV base store (langchain-ai#2912)

* Allow ParentDocumentRetriever to subclass MultiVectorRetreiver

* Initial vercel/kv wrapper

* Fixups

* Add entrypoint

* Remove subclassing

* Update ParentDocumentRetriever

* Update entrypoints

Add AnthropicFunctionsBedrock (langchain-ai#2892)

* x

* wip

* Composition over inheritance

* Add test

* Revert Bedrock change

* Fix lint

* Further reduce changes

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Co-authored-by: jacoblee93 <[email protected]>

Fix CustomListOutputParser format instructions (langchain-ai#2860)

* Fix format instruction of CustomListOutputParser when length is undefined

* removing temporary example

* Fix formatting

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Co-authored-by: jacoblee93 <[email protected]>

Fix: Convert Neo4j Integers to strings in the result sets (langchain-…

…ai#2841)

* Convert Neo4j Integers to strings in the resultsets

So the LLMs can interpret them correctly.
Added to test.

* Update Cypher test to pass (missing ";")

Also a bit of refactor to make sure we close the connection after
each test.

* Add neo4j schema test

* Fix integration tests

* Fix integration test

* Fix test

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Co-authored-by: jacoblee93 <[email protected]>

Adds metadata filtering for SemanticSimilarityExampleSelector, update…

…s docs (langchain-ai#2834)

* Adds metadata filtering for SemanticSimilarityExampleSelector, updates docs

* Update docs

Add runnable lambda from method (langchain-ai#2827)

* Expose iterable readable stream, add runnable lambda from method

* Remove stream export

Rerun build (langchain-ai#2809)

Fix: Corrected typos (langchain-ai#2793)