{
  "name": "verify-database-change",
  "settings": {
    "storagePermissions": {
      "collections": { "watch_cursors": "read-write", "dbchange_test": "read-write" }
    }
  },
  "nodes": [
    {"id": "n1", "name": "Trigger", "type": "click-trigger", "position": {"x": 0, "y": 0}, "config": {}},
    {"id": "setup", "name": "Setup", "type": "code", "position": {"x": 0, "y": 100},
     "config": {"code": "smartbotic.storage.delete('watch_cursors', context.workflowId + ':first');\nsmartbotic.storage.delete('watch_cursors', context.workflowId + ':second');\nsmartbotic.storage.delete('dbchange_test', 'before-1');\nsmartbotic.storage.delete('dbchange_test', 'after-1');\nsmartbotic.storage.insert('dbchange_test', { name: 'before', at: Date.now() }, 'before-1');\nconst beforeDoc = smartbotic.storage.get('dbchange_test', 'before-1');\nconst raw = Number(beforeDoc.document._updated_at);\nconst stamp = raw > 1e15 ? Math.floor(raw / 1000000) : raw;\nsmartbotic.storage.insert('watch_cursors', { since: stamp, updatedAt: Date.now(), collection: 'dbchange_test' }, context.workflowId + ':second');\nreturn { ready: true };"}},
    {"id": "first", "name": "First Run", "type": "database-change", "position": {"x": 0, "y": 200},
     "config": {"collection": "dbchange_test", "emitOnFirstRun": false}},
    {"id": "add", "name": "Insert One", "type": "code", "position": {"x": 0, "y": 300},
     "config": {"code": "smartbotic.utils.sleep(1100);\nsmartbotic.storage.insert('dbchange_test', { name: 'after', at: Date.now() }, 'after-1');\nreturn { inserted: 'after-1' };"}},
    {"id": "second", "name": "Second Run", "type": "database-change", "position": {"x": 0, "y": 400},
     "config": {"collection": "dbchange_test", "emitOnFirstRun": false}},
    {"id": "cleanup", "name": "Cleanup", "type": "code", "position": {"x": 0, "y": 500},
     "config": {"code": "smartbotic.storage.delete('dbchange_test', 'before-1');\nsmartbotic.storage.delete('dbchange_test', 'after-1');\nreturn { cleaned: true };"}}
  ],
  "connections": [
    {"sourceNodeId": "n1", "sourceOutput": "main", "targetNodeId": "setup", "targetInput": "data"},
    {"sourceNodeId": "setup", "sourceOutput": "main", "targetNodeId": "first", "targetInput": "data"},
    {"sourceNodeId": "first", "sourceOutput": "main", "targetNodeId": "add", "targetInput": "data"},
    {"sourceNodeId": "add", "sourceOutput": "main", "targetNodeId": "second", "targetInput": "data"},
    {"sourceNodeId": "second", "sourceOutput": "main", "targetNodeId": "cleanup", "targetInput": "data"}
  ],
  "expect": {
    "first": {"status": "completed", "output": {"count": 0, "isFirstRun": true}},
    "second": {"status": "completed", "output": {"count": 1, "isFirstRun": false, "documents": [{"name": "after"}]}}
  }
}