v0.4.3

What's Changed

• chore(deps): bump undici from 7.29.0 to 7.30.0 by @dependabot[bot] in #364
• feat: update PLUS API host selection logic
• feat: removed support for the DeepSeek official web search API, as the official web_search tool in Responses API is no longer available.

Full Changelog: v0.4.2...v0.4.3