🚀 BẮT ĐẦU HUẤN LUYỆN MÔ HÌNH RANDOM FOREST (GPU & CACHE) Initializing FeatureExtractor (mode=extended)... 📦 Đang load cache: training_data_507bd2ba4ec0d3fe107839cbf73a7a7d.joblib... ✅ Loaded 632 samples từ cache! ⚡ Đã bỏ qua download위성 data (tiết kiệm thời gian) [CACHE HIT] Using cached dataset with 632 samples Training RANDOM_FOREST model... Evaluating model... Generating classification report... Saving model... [MODEL MANAGER] Saving model to: model_train/model_random_forest_auto.joblib [MODEL MANAGER] Saving metadata to: model_train/model_random_forest_auto_info.json [MODEL MANAGER] Model saved successfully! Training complete! ✅ Hoàn thành! Accuracy: 0.6142