Refactor agent.py to implement basic arithmetic operations (multiply, add, subtract, divide, modulus) and restore wiki and arxiv search functionalities. Remove SerpAPI, audio transcription, Excel analysis, and OCR tools. Update requirements.txt to include Gradio for OAuth support.

Update LLM model

Add SerpAPI search functionality, audio transcription, Excel analysis, and OCR tools to agent.py. Update requirements.txt to include new dependencies.

Add reverse_text and analyze_youtube_video tools to agent.py for text manipulation and YouTube video analysis

Update groq model

Change llm model

Build agent & graph

Initialize agent