Machine monitoring for a pharmaceutical plant: platform architecture

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Architecture: simulated OPC UA machines are discovered by Akri; Telegraf reads their tags and publishes MQTT to EMQX in the plant edge cluster. EMQX forwards outbound over HTTPS to Pub/Sub. On GKE a second Telegraf pulls the subscription and writes to TimescaleDB on CloudNativePG. Drasi watches the data for alarms and sends them to Alertmanager, which pages the on-call person and asks kagent for triage advice. Perses dashboards and a KServe model read from TimescaleDB. Loki keeps audit logs and Krkn runs game-day tests. A guardrail row lists OPA Gatekeeper, Kubescape, external-secrets, Notary with Ratify, and Atlantis.