fix: drag-drop MIDI from Explorer on Windows — disable Tauri drag_drop_handler so WebView2 gets HTML5 DnD (Phương án A, FIX_DRAG_DROP_WINDOWS.md) (V10)

src-tauri/src/lib.rs

@@ -295,6 +295,19 @@ pub fn run() {
             restart_bridge_with_sample_rate
         ])
         .setup(|app| {
+            // V10 (FIX_DRAG_DROP_WINDOWS): disable Tauri's built-in drag-drop
+            // handler so WebView2 receives OS file drops (HTML5 DnD works).
+            // Tauri default handler + SetAllowExternalDrop(false) swallows
+            // Explorer .mid drops — app.jsx onDrop never fires on Windows.
+            // Builder-only API, so the main window is created here instead of
+            // tauri.conf.json (config-declared windows cannot disable it).
+            let _ = tauri::WebviewWindowBuilder::new(app, "main", tauri::WebviewUrl::default())
+                .title("Sonic Forge DAW - Professional Desktop Studio")
+                .inner_size(1440.0, 900.0)
+                .resizable(true)
+                .devtools(true)
+                .disable_drag_drop_handler()
+                .build()?;
             let res_dir = app
                 .path()
                 .resource_dir()

src-tauri/tauri.conf.json

@@ -9,16 +9,6 @@
   },
   "app": {
     "withGlobalTauri": true,
-    "windows": [
-      {
-        "title": "Sonic Forge DAW - Professional Desktop Studio",
-        "width": 1440,
-        "height": 900,
-        "resizable": true,
-        "fullscreen": false,
-        "devtools": true
-      }
-    ],
     "security": {
       "csp": null
     }