G2: improve editing reliability and Windows rendering fidelity

apps/effectcraft-web/src/store.rs

@@ -477,8 +477,8 @@ mod tests {
         a.execute("comp.new", json!({"name": "C"})).unwrap();
         // Untitled: the auto-save lands in the store's file table.
         let p = a.autosave_now().unwrap();
-        assert_eq!(p, "/EffectCraft Auto-Save/Untitled Project auto-save 1.ecproj");
-        assert!(s.file(&p).is_some());
+        assert_eq!(Path::new(&p), Path::new("/EffectCraft Auto-Save/Untitled Project auto-save 1.ecproj"));
+        assert!(s.file(&path_str(Path::new(&p))).is_some());
         // The tab closes without a clean exit: the next visit offers the auto-save.
         let mut b = Session { config: Some(Arc::new(WebConfig::new(s.clone()))), ..Default::default() };
         b.load_settings();

apps/effectcraft/src/audio_out.rs

@@ -76,7 +76,7 @@ fn run<T: SizedSample + FromSample<f32>>(
             let frames = out.len() / ch.max(1);
             stereo.resize(frames * 2, 0.0);
             feed.pull(&mut stereo);
-            for (f, s) in out.chunks_mut(ch.max(1)).zip(stereo.chunks_exact(2)) {
+            for (f, s) in out.chunks_mut(ch.max(1)).zip(stereo.as_chunks::<2>().0.iter()) {
                 for (c, o) in f.iter_mut().enumerate() {
                     // Mono devices, or left and right mapped to the same channel, get the mix.
                     let v = if ch == 1 || (c == left && c == right) {