{"schema": "facility-assignment-review-v1", "title": "Zero demand remains explicitly assigned", "cost_units": "cost units per demand unit", "demand_units": "demand units", "provenance": "Generated computational control; no customer or geographic data.", "k": 1, "selection_rule": "exactly_k", "assignment_rule": "whole_client_to_one_open_site", "objective": "weighted_sum_assignment_cost", "additional_constraints": []}