Function conditional 

pub fn conditional(
    predicate: impl Fn(&Value) -> bool + Send + Sync + 'static,
    if_true: AgentBuilder,
    if_false: AgentBuilder,
) -> Composable

Conditional: route to one of two agents based on a state predicate.

Evaluates predicate against the current state. If it returns true, the if_true agent runs; otherwise, the if_false agent runs.

Arguments

• predicate — Function that inspects state (as serde_json::Value) and returns a bool.
• if_true — Agent to run when the predicate is true.
• if_false — Agent to run when the predicate is false.

Example

let routed = conditional(
    |state| state.get("premium").and_then(|v| v.as_bool()).unwrap_or(false),
    AgentBuilder::new("premium-agent").instruction("Full-featured response"),
    AgentBuilder::new("basic-agent").instruction("Basic response"),
);