Type Alias ToolExecutionNextFn 

pub type ToolExecutionNextFn = Arc<dyn Fn(Json) -> Pin<Box<dyn Future<Output = Result<Json>> + Send>> + Send + Sync>;

Continuation type invoked by tool execution intercepts.

Execution intercepts receive this callable as their next continuation and can call it with modified arguments, wrap it, or skip it entirely.

Parameters

• First argument: JSON argument payload to pass to the remaining execution chain.

Returns

A future resolving to the downstream tool result JSON. Pending marks from downstream intercepts are retained by the runtime and are not exposed through this continuation.

Errors

The future resolves to an error when the remaining execution chain fails.

Lifetime

This continuation can be called repeatedly or concurrently while its execution-intercept callback is still running. Each invocation receives an isolated snapshot of the scopes visible when next is called. Calls that remain unfinished or begin after the interceptor settles are rejected.

Aliased Type

pub struct ToolExecutionNextFn { /* private fields */ }