- Create trend_detector.py: hourly 7d vs 14d signal comparison per active link
- Create alert_evaluator_site.py: 5-min evaluation of 4 rule types with hysteresis
- Wire both tasks into lifespan with non-fatal startup and cancel on shutdown
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
