Update requirements.txt

requirements.txt

@@ -1,14 +1,22 @@
-streamlit
-pandas
-openai
-torch
-matplotlib
-transformers
-python-dotenv
-anthropic
+# Core dependencies
+streamlit==1.27.2
+pandas==2.2.0
+numpy==1.26.4
+python-dotenv==1.0.1
+matplotlib==3.8.2
 re
-cryptography
-openpyxl
-tabulate
-streamlit-authenticator
-flask-limiter
+
+# LLMs & AI models
+openai==1.3.6
+anthropic==0.3.4
+torch==2.1.0
+transformers==4.37.0
+
+# Excel & CSV support
+openpyxl==3.1.2
+tabulate==0.9.0
+
+# Security & Authentication
+cryptography==42.0.5
+streamlit-authenticator==0.2.2
+flask-limiter==3.5.0