architecture Three Data Sources, One Feature: Moon, Tide, Weather Per Trip One enrichment step, three upstream sources with three different failure modes — a local lunar calculation, a tide API, and a weather API layered over a government-site scrape.
product A Fishing Log That Knows the Tide Fishing Tracker Pro doesn't just record what you caught — every trip is stamped with the moon phase, tide state, and weather at the moment you logged it.
