v1.50.0

1.50.0 (2026-06-24)

Full Changelog: v1.49.0...v1.50.0

Features

• client: add support for system.message streaming events (2333173)
• helpers: single source for x-stainless-helper + tag the BetaToolRunner (#36) (95124e5)

Chores

• api: add support for new refusal category (9b5050f)
• api: add support for sending User Profile ID in request headers (4a263e8)