1.0.0 - Fixed type errors

src/core.rs

@@ -4,6 +4,7 @@
 //! the musicgen library for representing notes, tracks, and compositions.
 
 use crate::scales::ScaleType;
+use crate::synthesis::Waveform;
 
 /// Musical note representation
 #[derive(Debug, Clone, PartialEq)]
@@ -50,6 +51,7 @@ pub struct Track {
     pub notes: Vec<Note>,
     pub volume: f32,
     pub instrument_type: InstrumentType,
+    pub waveform: Waveform,
 }
 
 /// Composition styles (kept for compatibility)
@@ -296,6 +298,7 @@ mod tests {
             ],
             volume: 0.8,
             instrument_type: InstrumentType::Lead,
+            waveform: Waveform::Sawtooth,
         };
 
         composition.tracks.push(track);