Create data/train.csv

data/train.csv

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+id,system,region,time_window,variable_set,baseline_independence_profile,correlation_structure,response_diversity_metrics,correlation_convergence_index,adaptive_capacity_trend,compression_onset_time,tipping_proximity_estimate,notes,constraints,gold_checklist
+CACCM-001,coral_reef,Great_Barrier_Reef,1980-1995,"SST; coral cover; fish biomass; nutrient load","Low cross-correlation","Weak correlations","High species and response diversity",0.18,"stable","none","low","Pre-stress baseline","Under 280 words.","index+diversity+trend"
+CACCM-002,coral_reef,Great_Barrier_Reef,1995-2010,"SST; coral cover; fish biomass; nutrient load","Baseline independence eroding","Moderate correlation SST–bleaching","Functional diversity declining",0.42,"declining","~2005","medium","Early compression","Under 280 words.","index+diversity+trend"
+CACCM-003,coral_reef,Great_Barrier_Reef,2010-2020,"SST; coral cover; fish biomass; nutrient load","Strong coupling across variables","High correlation across all variables","Low functional diversity",0.71,"rapid_decline","~2012","high","Late-stage compression","Under 280 words.","index+diversity+trend"
+CACCM-004,forest,Amazon_Basin,1980-2000,"rainfall; ET; tree cover; fire incidence","Decoupled rainfall–fire dynamics","Low correlations","High response diversity",0.20,"stable","none","low","Reference forest state","Under 280 words.","index+diversity+trend"
+CACCM-005,forest,Amazon_Basin,2000-2015,"rainfall; ET; tree cover; fire incidence","Rainfall–fire coupling emerges","Moderate correlation","Response diversity narrowing",0.48,"declining","~2008","medium","Compression onset","Under 280 words.","index+diversity+trend"
+CACCM-006,forest,Amazon_Basin,2015-2025,"rainfall; ET; tree cover; fire incidence","High interdependence","Strong correlation across variables","Low diversity; fire-dominated response",0.69,"rapid_decline","~2016","high","Near tipping","Under 280 words.","index+diversity+trend"