Update requirements.txt

requirements.txt

@@ -1,3 +1,23 @@
-altair
-pandas
-streamlit
+# Núcleo
+streamlit==1.30.0
+
+# Data stack
+pandas==2.2.0
+numpy==1.26.3
+matplotlib==3.8.2
+seaborn==0.13.2
+plotly==5.18.0
+pillow==10.2.0
+
+# Utilidades
+requests==2.31.0
+python-dotenv==1.0.0
+beautifulsoup4==4.12.2
+nltk==3.8.1
+scikit-learn==1.4.0
+opencv-python-headless==4.9.0.80
+
+# Banco de dados (escolha UM caminho e remova o outro)
+SQLAlchemy==2.0.46
+psycopg2-binary==2.9.6      # use SE for PostgreSQL
+# pymysql==1.1.0            # use SE for MySQL/MariaDB (e REMOVA a linha de psycopg2-binary acima)