Checks 12 aspects of the running deployment: - Pod health (replicas, restarts, OOMKills) - PostgreSQL connectivity & stats - Redis connectivity & queue backlog - MinIO connectivity - vLLM model availability - Alpaca broker account status - Pipeline flow (ingestion→extraction→aggregation→recommendation) - Model quality gate freshness - Paper trading portfolio status - API endpoint health - Resource usage - End-to-end latency (doc processing, trend/rec freshness) Usage: ./scripts/pipeline_health_check.sh [namespace]