Would recommend using a tool to save your codebase as an upload-able file.
Parent comment (simonw) has written a tool. I use another called ai-digest. Pick any one. It solves the 'my model doesn't understand my codebase' problem.
The copy/paste flow is what is most optimal for me. Not exactly what you described but the flow of c/p between VS Code was annoying so I built https://github.com/backnotprop/prompt-tower
Would recommend using a tool to save your codebase as an upload-able file.
Parent comment (simonw) has written a tool. I use another called ai-digest. Pick any one. It solves the 'my model doesn't understand my codebase' problem.