pydantic-ai v2.21.0

תקציר מקורי באנגלית<h2>What's Changed</h2> <h3>🚀 Features</h3> <ul> <li>feat(usage): add <code>per_request_input_tokens_limit</code> to <code>UsageLimits</code> by <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/Oxygen56/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/Oxygen56">@Oxygen56</a> in <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="4648160445" data-permission-text="Title is private" data-url="https://github.com/pydantic/pydantic-ai/issues/5907" data-hovercard-type="pull_request" data-hovercard-url="/pydantic/pydantic-ai/pull/5907/hovercard" href="https://github.com/pydantic/pydantic-ai/pull/5907">#5907</a></li> </ul> <h3>🐛 Bug Fixes</h3> <ul> <li>Refresh <