Update requirements.txt

requirements.txt

@@ -1,3 +1,27 @@
-altair
-pandas
-streamlit
+# Core web framework
+streamlit>=1.28.0
+
+# AI/ML libraries
+transformers>=4.35.0
+torch>=2.0.0
+tokenizers>=0.14.0
+
+# PDF processing
+PyPDF2>=3.0.1
+
+# Text processing and utilities
+regex>=2023.10.3
+numpy>=1.24.0
+pandas>=2.0.0
+
+# Additional dependencies for transformers
+accelerate>=0.24.0
+safetensors>=0.4.0
+
+# Optional: For better performance
+sentencepiece>=0.1.99
+
+# Development and testing (optional)
+pytest>=7.4.0
+black>=23.0.0
+flake8>=6.0.0