phoenix-client-development

name	phoenix-client-development
description	Development guide for the @arizeai/phoenix-client TypeScript SDK — run and resume experiments, manage OpenTelemetry tracer providers with stack-based attach/detach, and write vitest unit and integration tests. Use when adding features to phoenix-client, debugging experiment lifecycle or provider cleanup, modifying dataset/prompt/session/span APIs, or writing tests for the js/packages/phoenix-client/ directory.
license	Apache-2.0
metadata	{"author":"[e-mail]","version":"1.0.0","languages":"TypeScript","internal":true}

Phoenix Client Development

TypeScript SDK for Phoenix AI observability: datasets, experiments, prompts, sessions, spans, traces.

Read existing code in the directory you're working in before writing new code.

Rule Files

Rule file	When to read
rules/experiments.md	Experiment execution, task runners, evaluator wiring
rules/prompts.md	Prompt helpers, selector shapes, server version gating
rules/tracing.md	OpenTelemetry tracer providers, span export, global state
rules/testing.md	Unit tests, integration tests, test fixtures

Build and Test

cd js/
pnpm --filter phoenix-client test

Tests use vitest. Test files live in test/ named *.test.ts.