feat: Add LLM-based chat mode and integrate YJ pipeline
alohaboy
caf53ab
- Add LLM-based chat mode with pipeline-aligned prompts
- Integrate YJ's coconut_pipeline for structured analysis
- Add structured prompt system (echolalia, meaning, development, guide, safety)
- Update gradio_app.py with new 3-step analysis pipeline
- Add Korean translations for development levels
- Improve user experience with natural language responses
- Add clarification module for information gathering
