Update requirements.txt

requirements.txt

@@ -1,35 +1,35 @@
 # --- Core Streamlit & Python essentials ---
-streamlit
-pandas
-numpy
-matplotlib
-seaborn
-joblib
-scikit-learn
-optuna
-shap
+streamlit==1.39.0
+pandas==2.2.2
+numpy==1.26.4
+matplotlib==3.9.0
+seaborn==0.13.2
+joblib==1.4.2
+scikit-learn==1.5.2
+optuna==3.6.1
+shap==0.45.1
 
 # --- Gradient-Boosted Tree Libraries ---
-xgboost
-lightgbm
-catboost
+xgboost==2.1.1
+lightgbm==4.3.0
+catboost==1.2.5
 
 # --- Deep & Hybrid Tabular Models (optional but recommended) ---
-torch
-pytorch-tabular
-tabpfn
+torch==2.4.1
+pytorch-tabular==1.1.0
+tabpfn==0.1.10
 
 # --- Model stacking & utilities ---
-scipy
-tqdm
-plotly
+scipy==1.14.1
+tqdm==4.66.5
+plotly==5.24.1
 
 # --- PDF and report generation ---
-fpdf
+fpdf==1.7.2
 
 # --- Optional for advanced visualization ---
-altair
-plotnine
+altair==5.3.0
+plotnine==0.13.6
 
 # --- Safety / compatibility ---
-typing-extensions
+typing-extensions==4.12.2