v2.6.18

Changelog

Bug Fixes

• Preserve Registered Model Params on Reconstruction: Reuse the live
  registry model instance when rebuilding DB-stored agents/teams so
  connection params like azure_endpoint/base_url and credentials
  survive instead of being dropped to None. (#8476)

What's Changed

• cookbook: update AG-UI examples to OpenAIResponses and gpt-5.4 by @Himanshu040604 in #8376
• fix: preserve registered model params when reconstructing agents by @ysolanky in #8476
• chore: release 2.6.18 by @ysolanky in #8479

Full Changelog: v2.6.17...v2.6.18