fix: resolve [object Object] and implement streaming chat

fix: make Chat Agent robust with detailed logging and GPU-context loading

fix: refactor image loading to match TraceSceneUI structure using root-relative paths and direct directory mounting

fix: resolve broken image issue for uploaded and reference case photos by using standard API endpoints and avoiding /static prefix conflict with Gradio

feat: implement proper markdown formatting for scene analysis

feat: integrate static reference cases and update REST API

Deploy Chatbot, Animation, and Full TraceScene Application