Feat: tri is now triangle (disambiguation)

crates/forth/src/vm.rs

@@ -852,7 +852,7 @@ impl Forth {
                     let val = phase.powf(curve);
                     stack.push(Value::Float(val, None));
                 }
-                Op::Tri => {
+                Op::Triangle => {
                     let freq = stack.pop().ok_or("stack underflow")?.as_float()?;
                     let phase = (freq * ctx.beat).fract();
                     let phase = if phase < 0.0 { phase + 1.0 } else { phase };