[{"id":1,"name":"Basic Fulfillment","description":"Complete >= 1 order with expired_count == 0."},{"id":2,"name":"Waste Reduction","description":"Keep expired_count <= 2 while completing >= 1 order."},{"id":3,"name":"Efficiency Score","description":"Normalised score: (orders×20 - expired×15 - steps) / 100, clamped to [0.01, 0.99]."}]