Update requirements.txt

requirements.txt

@@ -1,35 +1,14 @@
-# HuggingFace Spaces requirements for RAG System
-# Optimized for cloud deployment
+# HuggingFace Spaces requirements for Lightweight RAG Demo
+# Optimized for fast deployment without heavy dependencies
 
 # Core web framework
 gradio==5.35.0
 
-# OpenAI API
+# OpenAI API for LLM
 openai>=1.0.0
 
-# LangChain for RAG pipeline (minimal set)
-langchain>=0.1.0
-langchain-openai>=0.1.0
-langchain-community>=0.0.20
-langchain-core>=0.1.0
-
-# Vector database
-chromadb>=0.4.0
-
-# PDF processing (lightweight)
-pypdf>=5.0.0
-pdfplumber>=0.9.0
-
-# Scientific libraries
+# Scientific libraries (minimal)
 numpy>=1.24.0
-pandas>=2.0.0
-
-# Text processing
-tiktoken>=0.5.0
 
 # Utilities
-python-dotenv>=1.0.0
-requests>=2.31.0
-
-# Image processing (minimal)
-Pillow>=10.0.0
+python-dotenv>=1.0.0