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Replace custom widgetRenderer with CopilotKit Open Generative UI

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Evaluación

Dificultad
5/5
Tiempo estimado
Más de una semana
Aptitud para principiantes
35/100
Tipo de issue
Refactorización
Claridad
Bastante claro
Estado de actividad
Tranquilo
Stack tecnológico
typescript
Área
backend, frontend

Línea de trabajo

Start with apps/app/src/app/api/copilotkit/route.ts and verify whether openGenerativeUI supports the current LangGraphHttpAgent runtime; compare this with the linked CopilotKit documentation. Then inspect use-generative-ui-examples.tsx, widget-renderer.tsx, idiomorph-inline.ts, export-overlay.tsx, and export-utils.ts, including the CopilotKit provider's sandboxFunctions. Done means generated calculator and binary-search UIs work, theme toggling remains functional, custom helpers are removed, and README/CLAUDE.md no longer reference widgetRenderer.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

Background

We currently ship a hand-rolled open generative UI implementation:

  • WidgetRenderer — ~730-line component that renders agent-authored HTML/CSS/JS inside a sandboxed iframe, with our own theme CSS, idiomorph streaming, and export overlay.
  • Registered as a useComponent({ name: "widgetRenderer", ... }) in use-generative-ui-examples.tsx.

CopilotKit now ships this as a first-class feature: Open Generative UI. It covers the same use case (live-streamed sandboxed HTML/CSS/JS, CDN libraries, two-way host bridges) without per-app widget code.

Goal

Delete the custom widget pipeline and use CopilotKit's built-in Open Generative UI instead.

Scope

  • Enable openGenerativeUI: true in the runtime (route.ts).
  • Remove the widgetRenderer useComponent registration and its supporting files (widget-renderer.tsx, idiomorph-inline.ts, export-overlay.tsx, export-utils.ts) once parity is confirmed.
  • Port any host-side hooks we relied on (e.g. theme toggling) to sandboxFunctions on the CopilotKit provider.
  • Keep the other declarative components (pieChart, barChart, plan_visualization, HITL scheduleTime) as-is.
  • Update CLAUDE.md and any demo prompts/suggestions referencing "widgetRenderer".

Open question

The current runtime is v1 CopilotRuntime + LangGraphHttpAgent pointing at the Python LangGraph agent. The docs example for openGenerativeUI: true uses the v2 runtime with BuiltInAgent + InMemoryAgentRunner. We need to verify whether the flag is supported alongside LangGraphHttpAgent, or whether this upgrade also requires migrating the runtime wiring (and what that means for the Python agent in apps/agent/).

Acceptance criteria

  • "Build me a calculator" / "Visualize binary search" prompts produce a streamed, sandboxed UI in chat with no custom widget code in this repo.
  • Theme toggle still works from generated UI (via sandboxFunctions).
  • Custom widget-renderer.tsx and helpers are deleted.
  • README/CLAUDE.md reflect the new approach.

Docs: https://docs.copilotkit.ai/generative-ui/open-generative-ui

Lenguaje dominante
TypeScript
Estrellas
3.9k
Forks
414
Merge medio
4 h
PR fusionados (30 d)
6

Preparar el entorno

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

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