chore(deps): bump @langchain/core from 1.1.27 to 1.1.35

[dependabot]

Bumps @langchain/core from 1.1.27 to 1.1.35.

Release notes

Sourced from @​langchain/core's releases.

@​langchain/core@​1.1.35

Patch Changes

• #10327 5dc11b5 Thanks @​hntrl! - fix(core): replace exported zod type references with structural duck-type interfaces to fix TypeScript OOM

  Replaces all exported Zod type references (z3.ZodType, z4.$ZodType, etc.) in @langchain/core's public API with minimal structural ("duck-type") interfaces. This prevents TypeScript from performing expensive deep structural comparisons (~3,400+ lines of mutually recursive generics) when downstream packages resolve a different Zod version than @langchain/core, which was causing OOM crashes and unresponsive language servers in monorepo setups.

• #10433 7af0b65 Thanks @​tanushree-sharma! - feat: Add LangSmith integration metadata to createAgent and initChatModel

@​langchain/core@​1.1.34

Patch Changes

• #10312 bfb7944 Thanks @​jacoblee93! - feat(core): Add all invocation params as part of metadata

@​langchain/core@​1.1.33

Patch Changes

• #10412 6db417b Thanks @​pawel-twardziak! - fix(core): respect timeout option in streamEvents v2

• #10424 d69dfcc Thanks @​pawel-twardziak! - fix(core): preserve multimodal content in getBufferString as placeholders

@​langchain/core@​1.1.32

Patch Changes

• #10330 26488b5 Thanks @​hntrl! - fix(core): treat empty string tool call chunk IDs as missing during merge

  Fixed _mergeLists in message base to treat empty string "" IDs the same as null/undefined when merging tool call chunks. This fixes old completions-style streaming where follow-up chunks carry id: "" instead of undefined, which previously prevented chunks from being merged by index.

• #10167 ca826f6 Thanks @​colifran! - feat: implement type inference for tool streams

• #10334 a602c42 Thanks @​maahir30! - fix(core): add JSDoc docstrings to fakeModel builder API and export FakeBuiltModel

• #10254 db7d017 Thanks @​pawel-twardziak! - fix(core): preserve thoughtSignature in array content during streaming with thinking models

@​langchain/core@​1.1.31

Patch Changes

• #10271 7373b4c Thanks @​jacoblee93! - feat(core): Use uuid7 instead of v4 for generating run ids

• #10262 b0175a5 Thanks @​maahir30! - fix: Move fakeModel from utils/testing to testing namespace move to updated namespace

• #10185 414f6ed Thanks @​maahir30! - feat: add custom Vitest matchers for LangChain message and tool call assertions

  Adds a new @langchain/core/testing/matchers export containing custom Vitest matchers (toBeHumanMessage, toBeAIMessage, toBeSystemMessage, toBeToolMessage, toHaveToolCalls, toHaveToolCallCount, toContainToolCall, toHaveToolMessages, toHaveBeenInterrupted, toHaveStructuredResponse) that external users can register via expect.extend(langchainMatchers) in their Vitest setup files. Re-exported from langchain for convenience.

@​langchain/core@​1.1.30

Patch Changes

• #10243 96c630d Thanks @​hntrl! - fix: add explicit : symbol type annotations to Symbol.for() declarations for cross-version compatibility

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