Add model files to model_assets for deployment

.gitignore

@@ -3,9 +3,9 @@ __pycache__/
 *.pyc
 .streamlit/secrets.toml
 
-# Model assets (keep directory, ignore large binaries by default)
-model_assets/*
-!model_assets/.gitkeep
+# Model assets - allow model files
+# model_assets/*
+# !model_assets/.gitkeep
 
 # Jupyter checkpoints
 .ipynb_checkpoints/

model_assets/hybrid_metrics.csv

@@ -0,0 +1,4 @@
+version,accuracy,precision,recall,f1,roc_auc
+Ensemble@0.5,0.8487857142857143,0.855249745158002,0.8394797026872498,0.8472913510784101,0.923818485328485
+HybridA (moderate=positive),0.8252142857142857,0.7774118794974997,0.9110920526014865,0.8389601842711418,0.923818485328485
+HybridB (moderate=negative),0.8334285714285714,0.9136218517204683,0.7362778730703259,0.8154187114136457,0.923818485328485

model_assets/model_metrics.csv

@@ -0,0 +1,6 @@
+model,accuracy,precision,recall,f1,roc_auc
+CAT_cw,0.8487142857142858,0.8550218340611354,0.839622641509434,0.8472522717438339,0.9245760161880869
+LGBM_cw,0.8487142857142858,0.8548152458539424,0.8399085191538022,0.847296322999279,0.9230701177371813
+LogReg_cw,0.8441428571428572,0.8468299711815562,0.8400514579759862,0.8434270952927669,0.9172743607426483
+RF_cw,0.8448571428571429,0.844374643061108,0.8453401943967982,0.8448571428571429,0.9160123807387366
+XGB_spw,0.8469285714285715,0.8527402238697485,0.8384791309319611,0.8455495495495495,0.9216147703231903