Create data/train.csv

data/train.csv

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+uid,dataset_id,year,platform,gps_quality,imu_drift_rate,vision_odometry_quality,altimeter_stability,sensor_fusion_residual,ops_summary,question,ground_truth_label,ground_truth_rationale,outcome_signal,source_citation
+DRNS-001,drone-navigation-sensor-coherence-risk-v0.1,2025,quadrotor,high,low,high,stable,low,"Sensors agree and fusion residual low.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",coherent,"Cross-sensor alignment holds.",stable_flight,"Synthetic"
+DRNS-002,drone-navigation-sensor-coherence-risk-v0.1,2025,quadrotor,low,high,low,drifting,high,"GPS weak, IMU drifts, vision poor.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",incoherent,"Fusion residual rising signals drift.",navigation_loss_risk,"Synthetic"
+DRNS-003,drone-navigation-sensor-coherence-risk-v0.1,2025,vtol,high,low,medium,stable,low,"GPS strong and residual controlled.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",coherent,"Fusion stable.",stable_flight,"Synthetic"
+DRNS-004,drone-navigation-sensor-coherence-risk-v0.1,2025,vtol,medium,high,medium,unstable,high,"IMU drift not corrected fast enough.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",incoherent,"Residual high with unstable altitude.",navigation_loss_risk,"Synthetic"
+DRNS-005,drone-navigation-sensor-coherence-risk-v0.1,2024,quadrotor,high,low,high,stable,low,"Stable tracking.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",coherent,"Sensors consistent.",stable_flight,"Synthetic"
+DRNS-006,drone-navigation-sensor-coherence-risk-v0.1,2024,quadrotor,medium,high,low,drifting,high,"Vision dropouts and drift.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",incoherent,"Mismatch persists.",navigation_loss_risk,"Synthetic"
+DRNS-007,drone-navigation-sensor-coherence-risk-v0.1,2024,vtol,high,low,medium,stable,low,"Acceptable odometry.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",coherent,"Residual bounded.",stable_flight,"Synthetic"
+DRNS-008,drone-navigation-sensor-coherence-risk-v0.1,2024,vtol,low,medium,low,unstable,high,"Multi-sensor disagreement.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",incoherent,"Unreliable localization.",navigation_loss_risk,"Synthetic"
+DRNS-009,drone-navigation-sensor-coherence-risk-v0.1,2023,quadrotor,high,low,high,stable,low,"Coherent sensors.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",coherent,"Aligned.",stable_flight,"Synthetic"
+DRNS-010,drone-navigation-sensor-coherence-risk-v0.1,2023,quadrotor,low,high,medium,drifting,high,"GPS denied and drift increasing.","Is navigation-sensor coherence intact. Answer coherent or incoherent.",incoherent,"Fusion residual indicates failure.",navigation_loss_risk,"Synthetic"