{ "scenario": "industrial_crossdock", "summary": { "scenario": "industrial_crossdock", "horizon_min": 480, "docks": 7, "yard_slots": 18, "inbound_trucks": 5, "outbound_trucks": 6, "cross_dock_candidates": 1, "staging_capacity": 37 }, "schedule": { "algorithm": "cp_sat", "objective": "minimize_turnaround", "assignments": [ { "truck_id": "IN-004", "dock_id": "D07", "yard_slot_id": "Y05", "start_min": 18, "end_min": 63, "setup_start_min": 8, "is_cross_dock": false, "staging_location": "STG-004" }, { "truck_id": "IN-001", "dock_id": "D02", "yard_slot_id": "Y17", "start_min": 21, "end_min": 75, "setup_start_min": 11, "is_cross_dock": false, "staging_location": "STG-001" }, { "truck_id": "IN-003", "dock_id": "D05", "yard_slot_id": "Y03", "start_min": 26, "end_min": 91, "setup_start_min": 18, "is_cross_dock": true, "staging_location": null }, { "truck_id": "IN-005", "dock_id": "D06", "yard_slot_id": "Y18", "start_min": 43, "end_min": 76, "setup_start_min": 36, "is_cross_dock": false, "staging_location": "STG-005" }, { "truck_id": "IN-002", "dock_id": "D01", "yard_slot_id": "Y18", "start_min": 68, "end_min": 111, "setup_start_min": 58, "is_cross_dock": false, "staging_location": "STG-002" }, { "truck_id": "OUT-001", "dock_id": "D01", "yard_slot_id": "Y18", "start_min": 167, "end_min": 197, "setup_start_min": 159, "is_cross_dock": false, "staging_location": "STG-001" }, { "truck_id": "OUT-002", "dock_id": "D05", "yard_slot_id": "Y12", "start_min": 249, "end_min": 285, "setup_start_min": 239, "is_cross_dock": false, "staging_location": "STG-002" }, { "truck_id": "OUT-006", "dock_id": "D02", "yard_slot_id": "Y12", "start_min": 277, "end_min": 328, "setup_start_min": 273, "is_cross_dock": false, "staging_location": "STG-006" }, { "truck_id": "OUT-005", "dock_id": "D07", "yard_slot_id": "Y16", "start_min": 289, "end_min": 321, "setup_start_min": 283, "is_cross_dock": false, "staging_location": "STG-005" }, { "truck_id": "OUT-004", "dock_id": "D03", "yard_slot_id": "Y07", "start_min": 314, "end_min": 350, "setup_start_min": 304, "is_cross_dock": false, "staging_location": "STG-004" }, { "truck_id": "OUT-003", "dock_id": "D06", "yard_slot_id": "Y08", "start_min": 322, "end_min": 363, "setup_start_min": 316, "is_cross_dock": false, "staging_location": "STG-003" } ], "cross_dock_transfers": [ { "transfer_id": "XD-IN-003", "inbound_truck_id": "IN-003", "outbound_truck_id": "OUT-006", "shipment_id": "SHP-IN-003-0", "start_min": 91, "duration_min": 15, "path": [ "D05", "SORT", "OUT-006" ] } ], "metrics": { "makespan_min": 363, "avg_turnaround_min": 50.5, "max_turnaround_min": 73, "dock_utilization_pct": 16.5, "yard_peak_occupancy": 4, "missed_departures": 0, "cross_dock_count": 1, "staging_usage_pct": 27.0, "throughput_trucks": 11, "reschedule_count": 0, "tardiness_total_min": 0 }, "solve_time_sec": 0.032, "status": "optimal", "dock_timeline": [ { "truck_id": "IN-002", "dock_id": "D01", "dock_zone": "ambient", "direction": "inbound", "truck_type": "dry_van", 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"ambient", "direction": "outbound", "truck_type": "box_truck", "setup_start": 304, "start": 314, "end": 350, "duration": 36, "setup_duration": 10, "is_cross_dock": false, "cargo_type": "general", "priority": 5 }, { "truck_id": "IN-003", "dock_id": "D05", "dock_zone": "ambient", "direction": "inbound", "truck_type": "reefer", "setup_start": 18, "start": 26, "end": 91, "duration": 65, "setup_duration": 8, "is_cross_dock": true, "cargo_type": "frozen", "priority": 3 }, { "truck_id": "OUT-002", "dock_id": "D05", "dock_zone": "ambient", "direction": "outbound", "truck_type": "box_truck", "setup_start": 239, "start": 249, "end": 285, "duration": 36, "setup_duration": 10, "is_cross_dock": false, "cargo_type": "high_value", "priority": 1 }, { "truck_id": "IN-005", "dock_id": "D06", "dock_zone": "hazmat", "direction": "inbound", "truck_type": "box_truck", "setup_start": 36, "start": 43, "end": 76, "duration": 33, "setup_duration": 7, "is_cross_dock": false, "cargo_type": "hazmat", "priority": 5 }, { "truck_id": "OUT-003", "dock_id": "D06", "dock_zone": "hazmat", "direction": "outbound", "truck_type": "tanker", "setup_start": 316, "start": 322, "end": 363, "duration": 41, "setup_duration": 6, "is_cross_dock": false, "cargo_type": "frozen", "priority": 2 }, { "truck_id": "IN-004", "dock_id": "D07", "dock_zone": "ambient", "direction": "inbound", "truck_type": "dry_van", "setup_start": 8, "start": 18, "end": 63, "duration": 45, "setup_duration": 10, "is_cross_dock": false, "cargo_type": "perishable", "priority": 2 }, { "truck_id": "OUT-005", "dock_id": "D07", "dock_zone": "ambient", "direction": "outbound", "truck_type": "dry_van", "setup_start": 283, "start": 289, "end": 321, "duration": 32, "setup_duration": 6, "is_cross_dock": false, "cargo_type": "frozen", "priority": 5 } ], "yard_timeline": [ { "time": 8, "occupancy": 1, "capacity": 18, "event": "arrival", "truck_id": "IN-004" }, { "time": 11, "occupancy": 2, "capacity": 18, "event": "arrival", "truck_id": "IN-001" }, { 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