Product updates: Updates to Volumes, JS and Go SDKs, and more

What this post added

Introduced Sandbox Connect Tokens for secure HTTP and WebSocket connections to Sandboxes using authenticated requests. Highlighted the use of Modal Sandboxes in the 'Modal Vibe' demo for building a scalable AI coding platform, enabling users to prompt an LLM to generate sandboxed web apps that connect to a React UI through Modal Tunnels. Also showcased Meta FAIR's use of Sandboxes for reinforcement learning in their Code World Model, Cognition's Fast Context subagent playground, and Restate's guide on building a durable, serverless coding agent using Sandboxes for execution.