Vercel Chat SDK 新增訊息主題（Message Subjects）與直接 SDK 存取功能
Original: Chat SDK adds message subjects and direct SDK access
The Vercel AI SDK (specifically its Chat SDK component), which is widely popular among developers, has recently received a feature update…
Vercel 宣布為其 Chat SDK 引入兩項重要更新：首先是「訊息主題（Message Subjects）」，允許開發者為對話訊息設定主題以利分類與管理；其次是「直接 SDK 存取（Direct SDK Access）」，讓開發者能繞過封裝，直接調用底層 AI 供應商的原始 SDK 功能。這兩項更新大幅提升了構建複雜 AI 對話應用的靈活性與控制力。
The Vercel AI SDK (specifically its Chat SDK component), which is widely popular among developers, has recently received a feature update aimed at providing developers with more powerful conversation management capabilities and deeper low-level control. This update centers on two major new features: "Message Subjects" and "Direct SDK Access."
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