style: Remove Recommended Next Steps from HTML report

style: Use professional dark amber instead of red for Leukemia classification banner

feat: Make clinical reports concise

fix: Use real model evaluation metrics in reports

style: Tone down red in HTML report - use slate/blue professional palette

feat: Professional clinical advisor & PDF report overhaul

fix: Dark mode text visibility — add explicit colors to all HTML cards

fix: Extract text from Gemini response content blocks in clinical advice

fix: Use langchain_core.prompts in report_generator.py

fix: Use langchain_core.prompts import

feat: Add LeukemiaScope Agentic AI multi-agent workflow