Update agent/sys_prompt.py

Refactor system prompt into separate module for improved maintainability

Refactor image and text symptom analysis to use local functions to remove remote dependencies and reduce network traffic; update requirements

Refactor vision client initialization and update Gradio launch configuration

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

fixed missing instantiation code for predict method

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

Update agent/image_symptom_tool.py

Update agent/rag_retriever.py

new chroma version

Update agent/text_symptom_tool.py

Update agent/image_symptom_tool.py

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