Rig v0.29 patch notes

[joshua-mo-143]

Hey everyone! Here's the patch notes for Rig v0.29.

Features

• Agent names are now featured properly in tracing.
• DeepSeek reasoning content is now supported for non-streaming.
• You can now set default max turns in rig::agent::Agent
• You can now add a termination reason when cancelling!

Fixes

• Fixed an issue where Gemini was not correctly filtering empty messages
• Fixed an issue where using Azure OpenAI endpoints wouldn't work because of prepending a forward slash to the base URL when the provider has no base URL

Miscellaneous

• re-exported reqwest::Client to reqwest::http_client::ReqwestClient

Breaking

• If you're using any custom filters, you will need to use impl Into<String> as per method changes.
• (rig-lancedb) Updated lancedb version to 0.23.
• (rig-core/mcp) Updated rmcp version to 0.13.

---

ref changelog PR: #1240

Thanks for reading! We build rig, rig builds us.