A low-noise watchdog should alert on missing progress, then attach error evidence. Counting every exception or 5xx response sounds simpler, but it answers the wrong question for a scheduled edtech import: did something complain, or did the expected student results actually arrive? TL;DR: poll a durable progress record, require two consecutive missed deadlines, and use logs and errors to explain the alert rather than trigger it. Trigger Signal quality Noise risk Best fit ...