#[neuron_tool]Expand description
Derive a Tool implementation from an async function.
§Example
ⓘ
#[neuron_tool(name = "calculate", description = "Evaluate a math expression")]
async fn calculate(
/// A mathematical expression like "2 + 2"
expression: String,
_ctx: &ToolContext,
) -> Result<CalculateOutput, CalculateError> {
let result = eval(&expression);
Ok(CalculateOutput { result })
}