Update requirements.txt

requirements.txt

@@ -1,12 +1,17 @@
-streamlit==1.41.1
-langchain-groq==0.2.3
-langchain-community==0.3.15
-langchain==0.3.15
-langchain-core==0.3.31
-langchain-huggingface==0.1.2
-chromadb==0.6.3
-python-dotenv==1.0.1
-huggingface-hub==0.27.1
-tiktoken==0.8.0
-beautifulsoup4==4.12.3
-faiss-cpu==1.9.0.post1
+# --- Core ---
+python-dotenv
+openai>=1.42.0
+
+# --- LangChain + LangGraph ---
+langchain>=0.2.5
+langchain-core>=0.2.10
+langchain-openai>=0.1.14
+langgraph>=0.1.9
+
+# --- Web UI ---
+streamlit>=1.37.0
+
+# --- Optional Utilities ---
+dataclasses-json
+typing-extensions
+tiktoken