Back-Popup Simulator A

Flow target: click in A -> go to B foreground, while C (`verify-shell`) opens as popup/background.

This is a local regression simulation. It is useful for timing/loss checks, not final ad-network truth.

Simulator fixed rule: `sid_mode=page`. Loader speed is auto-derived by device/browser hints.

Open B dashboard Open D automation
Click (done / target)0 / 0
No-Click Ready950 / 0
No-Click Quick0 / 0
Total Runs0
No run yet.