Update requirements.txt

requirements.txt

@@ -2,23 +2,18 @@
 gradio==5.34.0
 python-dotenv==1.1.0
 PyPDF2==3.0.1
-openai== 1.82.0
+httpx==0.27.0  # For direct API calls to OpenRouter
+
+# Use this if you're sticking with OpenAI SDK for now
+openai==0.28.1  # Only if using api_base to connect to OpenRouter
 
 # Cloud storage
 google-cloud-storage==2.14.0
 google-auth==2.28.0
 
 # Language processing
-spacy>=3.8.0
-# Use direct download URL instead of package name for spaCy model
-https://github.com/explosion/spacy-models/releases/download/en_core_web_lg-3.8.0/en_core_web_lg-3.8.0-py3-none-any.whl
+spacy==3.8.0
+https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.8.0/en_core_web_sm-3.8.0-py3-none-any.whl
 
 # Required for presidio PII detection
 presidio-analyzer==2.2.351
-
-# Removed unused dependencies:
-# google-adk[database]==0.3.0
-# yfinance==0.2.56
-# psutil==5.9.5
-# litellm==1.66.3
-# google-generativeai==0.8.5