Chat SDK adds X support

Building conversational agents for X has always been a developer headache due to fragile webhook configurations, complex OAuth flows, and strict automation rules. Vercel's new X adapter abstracts away the boilerplate of CRC verification and token refreshes into a clean, event-driven pattern, making X bot development as trivial as writing a Slack app.

• –**Abstracted Boilerplate**: Automating the authentication lifecycle, webhook signatures, and CRC verification lowers the barrier to entry significantly.
• –**Platform Limitations**: Because X doesn't natively support message streaming, responses must be delivered in full post-completion, which limits the real-time interactivity typical of modern LLM agents.
• –**Ecosystem Synergy**: This integration extends Vercel’s play into the agentic ecosystem, positioning its Chat SDK as the default backend orchestration layer for cross-platform bots.