Update requirements.txt

requirements.txt

@@ -1,21 +1,40 @@
+# ===============================
+# Frontend
+# ===============================
+streamlit==1.28.1
+
+# ===============================
+# Backend / API
+# ===============================
 fastapi==0.104.1
 uvicorn==0.24.0
+requests==2.31.0
+
+# ===============================
+# Configuration
+# ===============================
+python-dotenv==1.0.0
 pydantic==2.5.0
 pydantic-settings==2.1.0
-python-dotenv==1.0.0
-streamlit==1.28.1
-requests==2.31.0
+
+# ===============================
+# Agent / LLM Stack
+# ===============================
 langchain==0.1.0
-langchain-openai==0.0.5
 langchain-core==0.1.0
-openai==1.3.0
+langchain-openai==0.0.5
+
+# ===============================
+# LLM Providers
+# ===============================
 anthropic==0.7.0
+
+# ===============================
+# Database
+# ===============================
 sqlalchemy==2.0.23
-streamlit
-openai==1.3.9
-python-dotenv
-httpx==0.24.1
-fastapi
-uvicorn
-requests
 
+# ===============================
+# Networking (IMPORTANT)
+# ===============================
+httpx==0.24.1