> I will Pepsi challenge this with anyone who asks, I can smell a framework app.

The platforms ship with things like keyboard shortcuts for navigation and text entry, minimal accessibility features like screen reading of text and navigation, common idioms like drag and drop and the clipboard - none of which are typically handled by cross-platform widget frameworks by default.

Only gigantic projects like Chrome and VS Code will take on the effort of (partially) reimplementing these in their codebases to match platform behavior.