feat(db): implement local SQLite database connection fallback for offline dev/testing

feat: optimize get_stocks_to_forecast query to prevent Turso timeouts

feat: implement dynamic sector peers, visual backtests, multi-country seeding, and SEO sitemap auditor

Optimize daily forecast pipeline with delisted ticker purging

feat: prioritize unforecasted and stale-first stocks in daily pipeline to maximize SEO/sitemap coverage

feat: implement fundamental financial metrics & weave into dynamic SEO narratives, complete TradingView Lightweight Charts integration, and enforce stricter YMYL compliance quality gates

feat: optimize TimesFM compute, add offline test suite, and implement YMYL quality gates

Security: remove credentials from tracking, update gitignore, add tests, fix asset pipeline