Update requirements.txt

requirements.txt

@@ -1,27 +1,34 @@
+# Web frameworks & servers
 fastapi>=0.95.0
 uvicorn>=0.22.0
+
+# HTTP clients & GraphQL
 httpx>=0.27.0
+gql[all]>=3.5
+
+# LLM & AI
 openai>=0.27.0
+google-generativeai>=0.5.0
+
+# Data & parsing
 pydantic>=1.10
+python-dotenv>=1.0.0
+pandas>=2.0
 feedparser>=6.0
 xmltodict>=0.13.0
+requests>=2.28.1
+PyYAML>=6.0
+schedule>=1.2.0
 
-# NLP & biomodels
-spacy>=3.4.1,<3.5.0
-scispacy>=0.5.1
-https://s3-us-west-2.amazonaws.com/ai2-s2-scispacy/releases/v0.5.1/en_core_sci_sm-0.5.1.tar.gz
-
-python-dotenv>=1.0.0
-pandas>=2.0
-fpdf>=1.7
+# Visualization & export
 plotly>=5.15
+fpdf>=1.7
 pyvis>=0.3.1
+streamlit<2.0,>=1.25.0
 streamlit-agraph>=0.0.45
 jinja2>=3.0.0
-schedule
 
-streamlit>=1.25.0,<2.0
-google-generativeai>=0.5.0
-requests>=2.28.1
-PyYAML>=6.0
-gql[all]>=3.5
+# NLP core
+spacy==3.4.4                   # compatible with scispacy en_core_sci_sm v0.5.x
+scispacy>=0.5.1
+en-core-sci-sm @ https://s3-us-west-2.amazonaws.com/ai2-s2-scispacy/releases/v0.5.1/en_core_sci_sm-0.5.1.tar.gz