diff --git a/.gitignore b/.gitignore
index a1caa78..ad92c10 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,19 @@ __pycache__/ChanLun_Classifier.cpython-312.pyc
 __pycache__/ChanSBI.cpython-312.pyc
 __pycache__/ChanSEG.cpython-312.pyc
 __pycache__/ChanZS.cpython-312.pyc
+
+# Machine Learning / AI model files
+*_model*_xgb_model.json
+*modelchan*.json
+*.libsvm
+feature_meta
+*_model_feature_data.csv
+*.pem
+
+# Log files
+*.log
+
+# Database files
+*.sqlite
+*.sqlite-shm
+*.sqlite-wal