feat(extension): expose host version and WebView page events

pkg/download/extension_engine.go

@@ -33,7 +33,7 @@ func (d *Downloader) NewExtensionEngine(ext *Extension, settings map[string]any)
 			WebView: d.newExtensionWebViewRuntime(session, ext.buildIdentity()),
 		},
 	}
-	if err := injectGopeed(engine.Runtime, gopeed); err != nil {
+	if err := injectGopeed(engine.Runtime, gopeed, engine.Post); err != nil {
 		session.CloseIfIdle()
 		return nil, err
 	}