Update requirements.txt

requirements.txt

@@ -1,18 +1,24 @@
+# Core dependencies
+numpy>=1.24.0
+torch>=2.0.0
 streamlit>=1.22.0
+fastapi>=0.95.0
+uvicorn>=0.22.0
+python-dotenv>=0.20.0
+pydantic>=1.10.0
+
+# Embedding and vector search
 sentence-transformers>=2.2.2
 transformers>=4.28.1
-accelerate>=0.18.0
-torch>=2.0.0
-pymongo>=4.3.3
-rank_bm25>=0.2.2
-scikit-learn>=1.2.2
-pymupdf>=1.22.5
+faiss-cpu==1.7.4
+
+# Document processing
+PyPDF2>=3.0.0
 python-docx>=0.8.11
-langchain>=0.0.335
-nltk>=3.8.1
+
+# LLM integration (optional)
 openai>=1.0.0
-numpy>=1.24.0
-python-dotenv>=0.20.0
-PyMuPDF>=1.18.0
-faiss-cpu==1.7.4
-PyPDF2
+
+# Utilities
+tqdm>=4.65.0
+requests>=2.28.0