{
    "nodes": [
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            "id": "MockChiller1",  
            "name": "模拟冷却器",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_chiller",  
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                "target_temperature": 25.0,  
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                "is_heating": false,
                "vessel": "",
                "purpose": ""
            }  
        },
        {  
            "id": "MockFilter1",  
            "name": "模拟过滤器",  
            "children": [],  
            "parent": null,  
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                "filtrate_vessel": "",
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                "temperature": 25.0,
                "continue_heatchill": false
            }  
        },
        {  
            "id": "MockHeater1",  
            "name": "模拟加热器",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_heater",  
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                "port": "MOCK"  
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                "purpose": "Unknown",
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                "stir_speed": 0.0
            }  
        },
        {  
            "id": "MockPump1",  
            "name": "模拟泵设备",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_pump",  
            "position": {  
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                "port": "MOCK"  
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                "from_vessel": "",
                "to_vessel": "",
                "transfer_volume": 0.0,
                "amount": "",
                "transfer_time": 0.0,
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                "rinsing_solvent": "",
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                "is_solid": false,
                "time_spent": 0.0,
                "time_remaining": 0.0
            }  
        },
        {  
            "id": "MockRotavap1",  
            "name": "模拟旋转蒸发器",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_rotavap",  
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                "port": "MOCK"  
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                "pump_time": 0.0,  
                "vacuum_level": 1013.25,  
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                "target_temperature": 25.0,  
                "success": "True"  
            }  
        },
        {
            "id": "MockSeparator1",
            "name": "模拟分离器",
            "children": [],
            "parent": null,
            "type": "device",
            "class": "mock_separator",
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                "y": 171,
                "z": 0
            },
            "config": {
                "port": "MOCK"
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                "shake_time": 0.0,
                "shake_status": "Not Shaking",
                "current_device": "MockSeparator1",
                "purpose": "",
                "product_phase": "",
                "from_vessel": "",
                "separation_vessel": "",
                "to_vessel": "",
                "waste_phase_to_vessel": "",
                "solvent": "",
                "solvent_volume": 0.0,
                "through": "",
                "repeats": 1,
                "stir_time": 0.0,
                "stir_speed": 0.0,
                "time_spent": 0.0,
                "time_remaining": 0.0
            }
        },
        {  
            "id": "MockSolenoidValve1",  
            "name": "模拟电磁阀",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_solenoid_valve",  
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            },  
            "config": {  
                "port": "MOCK"  
            },  
            "data": {  
                "status": "Idle",  
                "valve_status": "Closed"  
            }  
        },
        {  
            "id": "MockStirrer1NEW",  
            "name": "模拟搅拌器(new)",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_stirrer_new",  
            "position": {  
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                "z": 0  
            },  
            "config": {  
                "port": "MOCK"  
            },  
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                "max_stir_speed": 2000.0
            }  
        },
        {  
            "id": "MockStirrer1",  
            "name": "模拟搅拌器",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_stirrer",  
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            "config": {  
                "port": "MOCK"  
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                "temperature": 25.0,  
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                "heating_state": "Off",  
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                "max_temperature": 300.0  
            }  
        },
        {  
            "id": "MockVacuum1",  
            "name": "模拟真空泵",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_vacuum",  
            "position": {  
                "x": 620.6111111111111,  
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                "z": 0  
            },  
            "config": {  
                "port": "MOCK"  
            },  
            "data": {  
                "status": "Idle",  
                "power_state": "Off",  
                "pump_state": "Stopped",  
                "vacuum_level": 1013.25,  
                "target_vacuum": 50.0,  
                "pump_speed": 0.0,  
                "pump_efficiency": 95.0,  
                "max_pump_speed": 100.0  
            }  
        }
    ],
    "links": []
}