Constant POSITION_REPORT_JSON

pub const POSITION_REPORT_JSON: &str = "{\n  \"PositionReport\": {\n    \"SecurityInformation\": {\n      \"Classification\": \"U\",\n      \"OwnerProducer\": [\n        {\n          \"GovernmentIdentifier\": \"USA\"\n        }\n      ]\n    },\n    \"MessageHeader\": {\n      \"SystemID\": {\n        \"UUID\": \"550e8400-e29b-41d4-a716-446655440000\"\n      },\n      \"Timestamp\": \"2026-01-01T00:00:00Z\",\n      \"SchemaVersion\": \"002.5.0\",\n      \"Mode\": \"LIVE\"\n    },\n    \"MessageData\": {\n      \"SystemID\": {\n        \"UUID\": \"550e8400-e29b-41d4-a716-446655440000\"\n      },\n      \"Source\": \"ACTUAL\",\n      \"CurrentOperatingDomain\": \"AIR\",\n      \"InertialState\": {\n        \"Position\": {\n          \"Latitude\": 1.0,\n          \"Longitude\": 1.0,\n          \"Altitude\": 1.0,\n          \"Timestamp\": \"2026-01-01T00:00:00Z\"\n        }\n      }\n    }\n  }\n}\n";

OMS JSON PositionReport matching the sleet v2.5 fixture shape.