connect solution into app: VSTi live native (vst3 attach/vst2 bridge) with WASM autosample fallback, VST GUI window (Bug 1), native-first track instrument

src-tauri/src/permissions.rs

@@ -0,0 +1,27 @@
+// Standalone permissions (Bug 5): WebView2 auto-ALLOW mọi permission request
+// (MIDI input, microphone, File System Access) — không hiện popup hỏi quyền.
+// WebView2 mặc định DENY khi không có handler ICoreWebView2::add_PermissionRequested.
+#![cfg(windows)]
+
+use webview2_com::Microsoft::Web::WebView2::Win32::*;
+use webview2_com::PermissionRequestedEventHandler;
+
+pub fn install(window: &tauri::WebviewWindow) {
+    let _ = window.with_webview(|webview| {
+        unsafe {
+            if let Ok(core) = webview.controller().CoreWebView2() {
+                let handler = PermissionRequestedEventHandler::create(Box::new(
+                    |_sender: Option<ICoreWebView2>,
+                     args: Option<ICoreWebView2PermissionRequestedEventArgs>| {
+                        if let Some(args) = args {
+                            args.SetState(COREWEBVIEW2_PERMISSION_STATE_ALLOW)?;
+                        }
+                        Ok(())
+                    },
+                ));
+                let mut token = 0i64;
+                let _ = core.add_PermissionRequested(&handler, &mut token);
+            }
+        }
+    });
+}