Compares two complete and equal Google Ads periods in the account timezone, names the few campaigns or ad groups driving the movement, and ranks the next checks without changing anything, holding a bad-looking week open until conversion delay has been accounted for. Use weekly. Boundary: `weekly-report` writes the whole-business readout across every channel and `daily-ad-check` is the daily paid-social pass, while `ppc-reporting` defines the numbers this one explains.
