fix: resolve compilation errors in plugin struct and MIDI event handling

Co-authored-by: aider (deepseek/deepseek-coder) <aider@aider.chat>

src/lib.rs

@@ -1,3 +1,4 @@
+use std::sync::Arc;
 use nih_plug::prelude::*;
 
 mod engine;
@@ -8,7 +9,7 @@ pub struct ClipLauncher {
     /// The engine managing clips
     engine: Engine,
     /// Pending MIDI output events
-    pending_midi: Vec<NoteEvent<f32>>,
+    pending_midi: Vec<NoteEvent<()>>,
 }
 
 impl Default for ClipLauncher {
@@ -98,7 +99,7 @@ impl Plugin for ClipLauncher {
 
         // Process audio
         for channel_samples in buffer.iter_samples() {
-            let (input, mut output) = channel_samples.split();
+            let (input, mut output) = channel_samples;
             let num_samples = input.len();
             
             // Process this block
@@ -114,7 +115,9 @@ impl Plugin for ClipLauncher {
     }
 
     fn params(&self) -> Arc<dyn Params> {
-        Arc::new(ClipLauncherParams)
+        Arc::new(ClipLauncherParams {
+            dummy: BoolParam::new("Dummy", false),
+        })
     }
 }
 
@@ -126,14 +129,6 @@ struct ClipLauncherParams {
     dummy: BoolParam,
 }
 
-impl Default for ClipLauncherParams {
-    fn default() -> Self {
-        Self {
-            dummy: BoolParam::new("Dummy", false),
-        }
-    }
-}
-
 // Export the plugin
 nih_export_vst3!(ClipLauncher);
 nih_export_clap!(ClipLauncher);