Story 1.6.1: Live Odds Streaming via Server-Sent Events (SSE)

**Generated:** 2025-11-18 **Epic:** Epic 1.6 - Real-Time Updates & Automated Settlement **Status:** done **Story Context:** docs/sprint-artifacts/stories/1-6-1-live-odds-streaming-sse.context.xml **Story Points:** 13 **Priority:** CRITICAL