Agents API (beta): create, get, update, delete, list agents with tools,
handoffs, completion args, and guardrails support.
Conversations API (beta): create, append, history, messages, restart,
delete, list conversations. Supports agent-backed and model-only
conversations with function calling and handoff execution modes.
Multimodal: ChatMessageContent enum (Text/Parts) with ContentPart
variants for text and image_url. Backwards-compatible constructors.
new_user_message_with_images() for mixed content messages.
Chat: reasoning field on ChatResponseChoice for Magistral models.
HTTP: PATCH methods for agent updates.
81 tests (30 live API integration + 35 serde unit + 16 existing).
- Add .cargo/config.toml with sunbeam registry index
- Set publish target to sunbeam registry in Cargo.toml
- Update homepage and repository URLs to Gitea
- Bump thiserror 1.x → 2.x
- Remove strum (no longer needed after Model enum replacement)
- Add reqwest multipart feature for file upload support
- Relax version pins to semver ranges
- Bump package version to 1.0.0
BREAKING CHANGE: You can't set the `stream` option for `client.chat*()`.
Either use `client.chat_stream()` if you want to use streams
or use `client.chat()` / `client.chat_async()` otherwise.
