{
  "name": "verify-switch",
  "nodes": [
    {"id": "n1", "name": "Trigger", "type": "click-trigger", "position": {"x": 0, "y": 0}, "config": {}},
    {"id": "n2", "name": "Fixture", "type": "code", "position": {"x": 0, "y": 100},
     "config": {"code": "return { status: 'pending' };"}},
    {"id": "n3", "name": "Switch", "type": "switch", "position": {"x": 0, "y": 200},
     "config": {
       "field": "data.result.status",
       "rules": [
         {"label": "Paid", "operator": "equals", "value": "paid"},
         {"label": "Pending", "operator": "equals", "value": "pending"},
         {"label": "Failed", "operator": "equals", "value": "failed"}
       ]
     }},
    {"id": "m0", "name": "M0", "type": "code", "position": {"x": -150, "y": 300},
     "config": {"code": "return { marker: 'case0' };"}},
    {"id": "m1", "name": "M1", "type": "code", "position": {"x": -50, "y": 300},
     "config": {"code": "return { marker: 'case1' };"}},
    {"id": "m2", "name": "M2", "type": "code", "position": {"x": 50, "y": 300},
     "config": {"code": "return { marker: 'case2' };"}},
    {"id": "mf", "name": "MF", "type": "code", "position": {"x": 150, "y": 300},
     "config": {"code": "return { marker: 'fallback' };"}}
  ],
  "connections": [
    {"sourceNodeId": "n1", "sourceOutput": "main", "targetNodeId": "n2", "targetInput": "data"},
    {"sourceNodeId": "n2", "sourceOutput": "main", "targetNodeId": "n3", "targetInput": "data"},
    {"sourceNodeId": "n3", "sourceOutput": "case0", "targetNodeId": "m0", "targetInput": "data"},
    {"sourceNodeId": "n3", "sourceOutput": "case1", "targetNodeId": "m1", "targetInput": "data"},
    {"sourceNodeId": "n3", "sourceOutput": "case2", "targetNodeId": "m2", "targetInput": "data"},
    {"sourceNodeId": "n3", "sourceOutput": "fallback", "targetNodeId": "mf", "targetInput": "data"}
  ],
  "expect": {
    "n3": {"status": "completed", "output": {"matchedRule": 1, "matchedLabel": "Pending", "_activeBranch": "case1"}},
    "m1": {"status": "completed", "output": {"result": {"marker": "case1"}}}
  },
  "expectMissing": ["m0", "m2", "mf"]
}