Merge branch 'main' into implement-native-live-search

Author: pawel-twardziak

.changeset/breezy-cougars-deliver.md

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+---
+"langchain": patch
+---
+
+patch prompts created from runs fix

.changeset/clever-bottles-yell.md

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+---
+"@langchain/anthropic": patch
+---
+
+feat(anthropic): support tool search tool

.changeset/curvy-jeans-love.md

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+---
+"@langchain/openai": minor
+---
+
+feat(openai): add support for fileSearch tool

.changeset/early-seas-attend.md

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+---
+"@langchain/anthropic": minor
+---
+
+add named text editor tool

.changeset/eight-bees-exercise.md

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+---
+"@langchain/openai": minor
+---
+
+feat(openai): support web search tool

.changeset/eight-cheetahs-dress.md

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+---
+"@langchain/community": patch
+---
+
+add elasticsearch hybrid search

.changeset/eighty-trees-love.md

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+---
+"@langchain/anthropic": minor
+---
+
+Expose `ChatAnthropicInput` type for improved type safety and user experience.
+
+This change introduces a new exported type `ChatAnthropicInput` which is an intersection of `AnthropicInput` and `BaseChatModelParams`. This allows LangChain users to define and pass ChatAnthropic configuration options with full type safety and IntelliSense.

.changeset/empty-ligers-live.md

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+---
+"@langchain/google-genai": patch
+---
+
+safe access around custom content parts