docs & feat: update README with AI agent, risk analyst, Alpaca integration and UI enhancements

style: format markdown bold/code and strip search citations from table cells in ResearchReportPanel

style: strip unicode-based search engine citations from deep research report

style: fix citation parsing bug, hide search citations, and improve font legibility in ResearchReportPanel

chore: rename branding from Quont to Quant and fix frontend build compilation errors

feat: implement Market Open Focus Mode, ORB strategy, and AI Auto-Pilot parameter tuning