{"tasks":[{"task_id":"phase1_direct_recall","name":"Direct Recall Containment","difficulty":"easy","objective":"Identify every location holding the recalled lot and quarantine all contaminated stock.","max_steps":10},{"task_id":"phase2_relabel_recall","name":"Relabeled Inventory Investigation","difficulty":"medium","objective":"Follow relabeled lots back to the source batch and quarantine every derived label precisely.","max_steps":14},{"task_id":"phase3_mixed_shipments","name":"Mixed Inventory Precision Containment","difficulty":"hard","objective":"Contain only the unsafe quantity after contaminated stock was mixed with safe inventory during cross-docking.","max_steps":16}]}