Feat: build script UI/UX

src/engine/sequencer.rs

@@ -174,7 +174,6 @@ pub struct SharedSequencerState {
     pub event_count: usize,
     pub tempo: f64,
     pub beat: f64,
-    pub playing: bool,
     pub script_trace: Option<ExecutionTrace>,
     pub print_output: Option<String>,
 }
@@ -185,7 +184,6 @@ pub struct SequencerSnapshot {
     pub event_count: usize,
     pub tempo: f64,
     pub beat: f64,
-    pub playing: bool,
     script_trace: Option<ExecutionTrace>,
     pub print_output: Option<String>,
 }
@@ -198,7 +196,6 @@ impl From<&SharedSequencerState> for SequencerSnapshot {
             event_count: s.event_count,
             tempo: s.tempo,
             beat: s.beat,
-            playing: s.playing,
             script_trace: s.script_trace.clone(),
             print_output: s.print_output.clone(),
         }
@@ -214,7 +211,6 @@ impl SequencerSnapshot {
             event_count: 0,
             tempo: 0.0,
             beat: 0.0,
-            playing: false,
             script_trace: None,
             print_output: None,
         }
@@ -1264,7 +1260,6 @@ impl SequencerState {
             event_count: self.event_count,
             tempo: self.last_tempo,
             beat: self.last_beat,
-            playing: self.last_playing,
             script_trace: self.script_trace.clone(),
             print_output: self.print_output.clone(),
         }