Provisioned dashboard for the product owner's weekly check-in: system health (Prometheus + Loki), user activity (PostgreSQL audit_log), archive progress (PostgreSQL transcription_blocks + audit_log), and OCR quality (Prometheus ocr-service metrics). Default range 7d, manual refresh, thresholds per the issue spec. Refs #651. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>