priorart — who built this before me?

/priorart <idea> — check whether the idea already exists /priorart — list ideas already checked (from out/priorart/checked.md)

Answer one question: has someone already built this — and what does that mean for whether you should? The deliverable is one honest verdict with the landscape as its evidence, not a survey. Advisory throughout: it recommends; the human decides what, if anything, gets built.

Step 0 — Check the memory

Read out/priorart/checked.md if it exists. If this idea (or a close variant) was checked before, open with "Since last check": re-verify the previous brief's findings (status changes, new arrivals since that date) instead of redoing the whole search. The pipeline below is for ideas not yet in the log.

Step 1 — Restate before searching