Chat SDK adds Discord Components V2 support

Short summary

Vercel's Chat SDK now supports Discord Components V2, an opt-in layout system that treats text, images, files, and buttons as flexible, arrangeable components. Setting the adapter's contentFormat to ComponentsV2 enables native containers, sections, media galleries, separators, buttons, and string selects while enforcing Discord's 40-component cap. The release also adds thread renaming, precise mention detection, and configurable global-ping handling for gateway-mode bots.

• •Chat SDK adds Discord Components V2 support with native containers, sections, media galleries, and buttons
• •New features include thread renaming, precise mention detection, and configurable global-ping handling
• •Existing bots remain unaffected as embeds stay the default; Components V2 is opt-in

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