{
  "scenario_id": "CNF-009",
  "name": "malformed_packet_rejection",
  "description": "An agent returns a packet missing required 'confidence' and 'decisions' keys. Mesh rejects the packet without partial state pollution.",
  "raw_packet": {
    "packet_id": "PKT-BAD-999",
    "from": "craft_director",
    "to": "designly_director"
  },
  "expected_outcome": {
    "is_valid_schema": false,
    "packet_rejected": true,
    "state_polluted": false
  }
}