flowrs-engine/crates/flowrs-app/eval/graphs/dsp-envelope.fdsl

let n0 = BoolLiteral { value: true };
let n1 = dsp.envelope(gate: n0.value) { attack: 0.05, decay: 0.1, release: 0.3, sustain: 0.6 };
let n2 = Max(input: n1.envelope.clone());