- Chrome extension + Node.js backend for CSE support query analysis
- AI-powered customer reply generation with CS Expert V3.28 rules
- Scenario-based replies (A/B/C/F/H/I/J/K), zero-emoji, subject-less tone
- Financial inquiry hold response (Scenario K) enforcement
- Knowledge base integration for iGaming/sports betting domain
- Multi-provider AI support: KIE, Gemini, OpenRouter, OpenAI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>