How should I structure week one of learning a language

Sound before grammar. Spend the first week on pronunciation and the hundred most frequent words, because everything later is easier once your ear can segment speech. Grammar drills in week one produce people who can conjugate and cannot hear.

At ten times the size the bottleneck moves from the operation itself to what it competes with: memory, locks and the people who have to run it. The approach stays, the batching gets smaller and the schedule matters more.