Sprint 22 · OpenPlatform 20 + VoIP Quality 19 items In Dev, grouped by component (Platform MP / Server / Onboarding / AI Lighthouse / SDK / ...), with weekly progress placeholders.

Android silent-ring rate hit 18.96% on 2026-05-11 — the single highest day in the trailing 90 days (+1.60pp vs 5/8 baseline). All 11 monitored corridors moved the same day. Real Grafana data. Investigation tracked in PB.