Refactor project structure, implement config singleton pattern, enhance Redis connection handling

core/__init__.py

@@ -0,0 +1 @@
+# Core package initialization

requirements.txt

@@ -1,13 +1,21 @@
-streamlit==1.24.0
-fastapi==0.95.0
-uvicorn==0.21.1
-redis==5.0.3
-python-dotenv==1.0.0
-openai==1.35.6
-tavily-python>=0.1.0,<1.0.0
-requests==2.31.0
-docker==6.1.3
-pygame==2.5.2
-# Add these for enhanced functionality
-pydantic==1.10.7
-typing-extensions>=4.5.0
+fastapi>=0.68.0
+uvicorn>=0.15.0
+python-dotenv>=0.19.0
+redis>=4.0.0
+requests>=2.25.0
+pydantic>=1.8.0
+python-multipart>=0.0.5
+websockets>=10.0
+numpy>=1.21.0
+torch>=1.9.0
+transformers>=4.21.0
+huggingface-hub>=0.8.0
+openai>=0.27.0
+asyncio-mqtt>=0.11.0
+paho-mqtt>=1.6.0
+gTTS>=2.2.0
+pygame>=2.0.0
+geopy>=2.2.0
+weather-api>=0.0.4
+logging>=0.4.9.6
+typing_extensions>=3.10.0