langchain-anthropic 1.5.3

תקציר מקורי באנגלית<p>Changes since langchain-anthropic==1.5.2</p> <p>release(anthropic): 1.5.3 (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="5001026989" data-permission-text="Title is private" data-url="https://github.com/langchain-ai/langchain/issues/39109" data-hovercard-type="pull_request" data-hovercard-url="/langchain-ai/langchain/pull/39109/hovercard" href="https://github.com/langchain-ai/langchain/pull/39109">#39109</a>)<br> fix(anthropic): preserve empty thinking field in signature_delta streaming (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="4851465799" data-permission-text="Title is private" data-url="https://github.com/langchain-ai/langchain/issues/38765" data-hovercard-type="pull_request" data-hovercard-url="/langchain