Electron 44.3.0 reattributes a dozen permission checks to the frame that asked.

setPermissionCheckHandler was receiving the top-level origin and a null webContents for hid and usb checks made from a subframe. File System Access grants are now scoped to the requesting document and reset when the origin's last page closes, openExternal is attributed to the initiating frame, nodeIntegrationInWorker applies only to frames with Node integration, and <webview> without allowpopups blocks modifier-click new windows. GitHub If you're wrapping a coding agent in Electron, these change which origin your handlers see.