Ran Shem Tov 091eb86f16 chore(integrations/langgraph-js): port agent to createAgent + fix Docker ...

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.

2026-05-01 12:31:04 +02:00

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