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Ran Shem Tov f13f8865a8 feat(sdk-js/langgraph): zodState helper for agent state schemas
Add a zodState() helper that attaches a lazy `~standard.jsonSchema.input`
to a zod schema so LangGraph's StateSchema.getJsonSchema() emits the
field into the graph's output_schema. Without it, zod v4 fields carry
`~standard.validate` + `vendor` only, `isStandardJSONSchema` returns
false, and the field is silently dropped from output_schema — which in
turn causes the AG-UI LangGraphAgent proxy to filter the value out of
STATE_SNAPSHOT events on the wire, so the frontend never sees it even
though the underlying thread state has the data.

Apply zodState to the middleware's own `copilotkit` state field so it
surfaces in output_schema and export it for demos to use on custom
state fields (todos, documents, etc.).

Uses `z.toJSONSchema` when available (zod v4 subpath) and falls back to
an empty object, which is sufficient to make langgraph-api include the
key in output_schema.
2026-05-01 12:31:04 +02:00

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#!/bin/bash
set -e
echo "[entrypoint] Starting: langgraph-python starter"
if [ -z "$OPENAI_API_KEY" ]; then
echo "[entrypoint] WARNING: OPENAI_API_KEY not set!"
else
echo "[entrypoint] OPENAI_API_KEY: set"
fi
# Start agent via AG-UI protocol (serve.py wraps the original graph)
echo "[entrypoint] Starting agent on port 8123..."
AGENT_PORT=8123 python serve.py 2>&1 &
AGENT_PID=$!
sleep 3
# Start Next.js standalone
echo "[entrypoint] Starting Next.js on port ${PORT:-3000}..."
HOSTNAME=0.0.0.0 PORT=${PORT:-3000} node server.js 2>&1 &
NEXT_PID=$!
echo "[entrypoint] Agent=$AGENT_PID Next=$NEXT_PID"
wait -n $AGENT_PID $NEXT_PID
exit $?