Rewrite the langgraph-js agent to use `createAgent` from `langchain`
(matching langgraph-python) with `copilotkitMiddleware` and
`stateStreamingMiddleware` from `@copilotkit/sdk-js/langgraph-middlewares`.
Tools now use `ToolRuntime` for state and tool-call-id access. System
prompt inlined in `agent.ts`; drop the file-based `PROMPT.md`.
Replace the legacy single-stage Dockerfile with a Node-only two-stage
build that mirrors the langgraph-python Dockerfile (frontend build →
runner, HttpAgent route override for Docker, Turbopack→webpack).
Add JS-specific `entrypoint.sh` (launches `@langchain/langgraph-cli dev`
+ Next.js standalone) and `docker-compose.test.yml` (wget healthcheck
for the alpine-based agent image, STARTER=langgraph-js default). Both
added to the instance's `allowedDivergence` in the parity manifest.
Rewrite the README to drop Python/uv prerequisites and list the correct
TypeScript tool paths.
Align langgraph-js with examples/integrations/langgraph-python via the
parity tooling. Remove legacy app/ layout, adopt src/ layout, rewrite
the TS agent to expose the tracked tool surface (manage_todos,
get_todos, query_data, generate_a2ui, search_flights) and todos state,
and write the canonical PROMPT.md. Keeps LangGraphAgent + stategraph
runtime (allowed divergence per the manifest); brings deps,
Dockerfile.app, entrypoint, showcase metadata, and shared UI into
lockstep. Parity verifier: 88 ok / 0 error.
Flatten langgraph-python, langgraph-js, and mcp-apps starters so
npm install && npm run dev works out of the box. Replace Turborepo
with concurrently, move apps/* to root, update Dockerfiles, READMEs,
and entrypoints. Also remove stray pnpm-lock.yaml from a2a-a2ui and
ms-agent-framework-dotnet starters.
Ran Shem Tov