Add right y-axis for binaural frequency in audio timeline

app/src/main/java/com/mindmachine/mvp/session/TimelineEditorScreen.kt

@@ -505,12 +505,29 @@ internal fun TimelineGraph(
             }
         }
 
+        // Right Y-axis labels column
+        Column(
+            modifier = Modifier.height(190.dp).width(48.dp),
+            verticalArrangement = Arrangement.SpaceBetween,
+            horizontalAlignment = Alignment.Start,
+        ) {
+            rightYLabels.forEach { label ->
+                Text(
+                    text = label,
+                    color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.75f),
+                    style = MaterialTheme.typography.labelSmall,
+                    textAlign = TextAlign.Start,
+                    modifier = Modifier.fillMaxWidth(),
+                )
+            }
+        }
+
         Row(
             modifier = Modifier.fillMaxWidth().padding(top = 4.dp),
             horizontalArrangement = Arrangement.spacedBy(8.dp),
             verticalAlignment = Alignment.CenterVertically,
         ) {
-            Spacer(modifier = Modifier.width(48.dp))
+            Spacer(modifier = Modifier.width(96.dp))
             Row(
                 modifier = Modifier.weight(1f),
                 horizontalArrangement = Arrangement.SpaceBetween,