Update data/train.csv

data/train.csv

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+id,flight_phase,baseline_reference,window_minutes,engine_params_trend,aero_state_trend,coupling_anomaly_summary,known_failure_mode,decoherence_onset_time,precursor_pattern_type,severity_gradient,failure_likelihood_index,estimated_time_to_critical_min,primary_decoupling_channels,notes,constraints,gold_checklist
+DPD-001,"cruise","baseline idx 0.86 env 0.78-0.92 lag IAS 1.5s","0-120","N1 stable 87; EGT rising +35C; FF stable","IAS stable; AoA rising +0.7; trim increasing","EGT rise not matched by IAS response; lag expands to 3.4s","HPT_crack_precursor","t=38m",0.72,0.64,0.76,92,"EGT->IAS lag; EGT-AoA divergence","Pattern shows thermal inefficiency before thrust loss","Under 280 words","t+type+sev+lik+ttc+channels"
+DPD-002,"climb","baseline idx 0.74 env 0.62-0.82 lag ALT 2.6s","0-40","N1 oscillation ±2; EGT spikes; FF jitter","IAS droop -8; AoA spikes; pitch corrections","thrust oscillations with nonlinear AoA response; coherence drops below env","compressor_stall_precursor","t=16m",0.78,0.70,0.80,18,"N1-AoA oscillatory mismatch; FF jitter->IAS droop","Stall signature appears as oscillatory decoupling","Under 280 words","t+type+sev+lik+ttc+channels"
+DPD-003,"approach","baseline idx 0.66 env 0.52-0.76 lag IAS 2.2s","0-30","N1 commanded increases; EGT rises; FF rises","IAS fails to increase; AoA climbs; sink rate increases","commanded thrust not yielding airspeed; lag expands; control compensation grows","fuel_control_fault_precursor","t=11m",0.66,0.58,0.72,14,"N1_cmd->IAS non-response; AoA compensation","Decoupling shows control loop fighting thrust shortfall","Under 280 words","t+type+sev+lik+ttc+channels"
+DPD-004,"holding","baseline idx 0.63 env 0.48-0.74 lag IAS 2.0s","0-90","N1 stable; EGT slowly rising; FF slowly rising","IAS stable; AoA stable; small bank changes","EGT rise without aero effect; coherence slowly erodes; lag to IAS increases to 3.0s","bleed_air_leak_precursor","t=54m",0.60,0.52,0.60,120,"EGT drift->no IAS change; lag expansion","Slow precursor with long horizon","Under 280 words","t+type+sev+lik+ttc+channels"
+DPD-005,"cruise","baseline idx 0.86 env 0.78-0.92 lag IAS 1.5s","0-180","N1 stable; EGT stable; FF rising +8%","IAS stable; AoA stable; trim stable","FF rise not matched by thrust response; efficiency drop; correlation N1-IAS weakens","injector_degradation_precursor","t=96m",0.62,0.55,0.58,150,"FF->IAS decouple; efficiency loss","Fuel flow creep can be early clue","Under 280 words","t+type+sev+lik+ttc+channels"
+DPD-006,"descent","baseline idx 0.71 env 0.58-0.80 lag ALT 3.2s","0-60","N1 idle; EGT fluctuates; FF irregular","IAS fluctuates; AoA fluctuates; speedbrake stable","idle engine fluctuations correlate poorly with IAS; lag unstable; coherence drops","sensor_egt_fault_precursor","t=22m",0.54,0.40,0.42,999,"EGT noise decouples from IAS; channel inconsistency","Shows sensor-driven decoherence not true failure","Under 280 words","t+type+sev+lik+ttc+channels"