Module registry 

Available on crate feature async only.

ToolRegistry and the FnTool closure adapter.

The registry holds heterogeneous Tool implementations behind Arc<dyn Tool> and supports two registration shapes:

• ToolRegistry::register_tool takes anything that implements Tool directly.
• ToolRegistry::register takes a closure plus name/schema; the closure is wrapped in an internal FnTool that implements Tool.

Both reduce to the same Arc<dyn Tool>, so the agent loop runner (#20) and the model’s tool list (ToolRegistry::to_messages_tools) treat them identically.

Structs

FnTool

Internal adapter: wraps a closure and exposes it through the Tool trait. Created by ToolRegistry::register and ToolRegistry::register_described.

ToolRegistry

In-memory registry of tools keyed by name.