{
  "id": "node-config-003",
  "skills": ["n8n-node-configuration"],
  "query": "My IF node configuration is valid with operation='equals', but when I change to operation='isEmpty', validation fails. Why?",
  "expected_behavior": [
    "Explains that isEmpty is a unary operator (single value)",
    "Identifies that value2 is not needed for unary operators",
    "Explains singleValue property dependency",
    "Mentions auto-sanitization will fix operator structure",
    "Suggests using get_property_dependencies to understand operator rules",
    "May reference DEPENDENCIES.md for operator-specific dependencies"
  ]
}