P1 — the machinery that writes example sentences and checks their quality — hit its passing bar today. P2 is next: teaching that same proven machinery to do the deeper content work for every word. Everything P1 taught us about running this safely is already locked in below. Five real design questions are still open, and building doesn't start until you've ruled on them.
When P1 closed, the plan for what comes next was put in your own words: “we need to productionize… utilize our learning to optimize the remaining pipeline processes.” In plain terms: P1 spent real time proving that ONE piece — writing example sentences and grading them automatically — actually works and can be trusted. P2 takes everything that process taught us and reuses it to build out everything else a flashcard needs, instead of designing each new piece from a blank page.
You also had a hope for one specific piece: “hopefully form example sentences can leverage examples work already done.” The answer is yes. Word-form example sentences (e.g. the different conjugations or affixed forms of a word) will use the exact same system, same rules, and the same 6–10 sentences per set as regular example sentences — not a separate, smaller version. See Decision Ledger item 1 below.