Type Alias ToolConfig 

pub type ToolConfig = ToolEntry;

Backward compatibility alias — existing code using ToolConfig keeps working.

Aliased Type

pub enum ToolConfig {
    Simple(String),
    Structured(StructuredToolEntry),
}

Variants

Simple(String)

Plain string tool reference (e.g., - datetime).

Structured(StructuredToolEntry)

Structured entry — builtin with extra config or MCP wrapper.