The deployable Next.js demo behind the new Daytona cookbook recipe. A minimal
CopilotKit Built-in Agent whose only added capability is the recipe's runCode
server tool — executes Python / TypeScript / JavaScript in an isolated Daytona
sandbox and streams the result back to the chat via a custom useRenderTool
card (fixed-height streaming code pane with react-syntax-highlighter +
vscDarkPlus, mirroring @copilotkit/react-ui's own CodeBlock, and a fixed-
height result pane with a 'Generated code:' / 'Result:' label pair). The
agent's system prompt instructs it not to restate stdout in chat text since
the renderer already shows it.
Standalone npm project — intentionally not in the monorepo's pnpm workspace
(matches the existing examples/showcases/* convention; only generative-ui-
playground is in the workspace globs). Validated end to end against published
@copilotkit/runtime@1.58.0 with both Python and JavaScript snippets round-
tripping through real Daytona sandboxes.
OSS-222
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