fix crash daw_vst_bridge khi đóng editor Nexus đang play: reload instance trong close job + silence same-plugin quanh createInstance/createView

native_bridge/include/INativeInstrument.h

@@ -41,6 +41,11 @@ public:
     // inside processAudioBlock on the same instance).
     virtual bool needsReload() const { return false; }
     virtual void setReloading(bool /*on*/) {}
+    // VST3: rebuild the plugin instance (terminate + loadPlugin) on the owning
+    // apartment thread. The bridge calls it after tearing an editor down so the
+    // audio loop never processes an instance whose editor was dropped without
+    // view->removed(). Non-VST engines: no-op.
+    virtual bool reload() { return true; }
     // VST3: split openGUI so instance teardown/reload runs on the owning
     // apartment thread while view->attached() may run on a temporary thread
     // with the channel worker pumping messages (see bridge main.cpp).