Document anomaly detection and update test count in Usage Aggregation page
Sync Home/Billing/Usage-Aggregation for ESPI and Stripe drift
Update wiki for Phase 3: Account/Customer Service and Notification Service pages, re-keyed Usage Aggregation/Billing pages, real-dataset/accountId Meter Simulator update
Fix drift: update all pages for Phase 2 (Kafka) progress
Update wiki: Phase 1 complete, add Billing page
Add Usage Aggregation wiki page, update Home status