Initial commit with 2026 World Cup Quant Platform core modules and CI/CD

.env.example

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+PORT=3000
+# The Odds API is used as the primary data source for fixtures + odds.
+THE_ODDS_API_KEY=your_the_odds_api_key
+THE_ODDS_BASE=https://api.the-odds-api.com
+THE_ODDS_SPORT_KEY=soccer_fifa_world_cup
+THE_ODDS_REGIONS=eu
+# 1x2 / spreads / totals / btts are commonly available
+THE_ODDS_MARKETS=h2h,spreads,totals,btts
+REFRESH_MINUTES=10
+LIVE_REFRESH_SECONDS=45
+FAST_REFRESH_HOURS=6
+MATCH_LOOKBACK_HOURS=12
+APP_TIME_ZONE=Asia/Taipei
+APP_PUBLIC_ORIGIN=https://2026fifa.wooo.work
+TZ=Asia/Taipei
+KELLY_SCALE=0.6
+
+# Optional news provider key (if you have one) or set for RSS-only mode.
+NEWS_API_KEY=
+NEWS_PROVIDER=google-rss
+
+# Optional tuning
+ODDS_REFRESH_TIMEOUT_MS=15000
+NEWS_FETCH_CONCURRENCY=3
+NEWS_LOOKBACK_DAYS=14
+MAX_MATCHES_FOR_NEWS=64
+
+# 量化分析/資料平台參數（預留）
+REDIS_URL=redis://127.0.0.1:6379
+POSTGRES_URL=postgres://user:password@127.0.0.1:5432/fifa2026
+ANALYTICS_MODE=js
+ANALYTICS_MC_SAMPLES=10000