Update requirements.txt

requirements.txt

@@ -1,22 +1,26 @@
-# LlamaIndex core agent support
-llama-index>=0.10.39
-llama-index-core>=0.10.39
-
-# LangChain for tools
+# LangChain core + tools
 langchain>=0.1.14
 langchain-community>=0.0.29
 langchain-experimental>=0.0.3
+
+# LlamaIndex core
+llama-index>=0.10.39
+llama-index-core>=0.10.39
+
+# OpenAI LLM
 openai>=1.25.0
 
-# Tools used
-duckduckgo-search>=1.0.0
-wikipedia
-youtube-transcript-api>=0.6.1
-pytube>=15.0.0
+# Tools
+openai-whisper>=20230314
+openpyxl>=3.1.2
 
-# App UI & networking
-gradio>=4.26.0
+# File & web
 pandas>=2.1.0
 requests>=2.31.0
-aiofiles
-python-dotenv
+aiofiles>=23.2.1
+
+# UI
+gradio>=4.26.0
+
+# Optional for MP3/YouTube in local
+ffmpeg-python>=0.2.0