Data Flow graph now shows OpenMetadata as a governance node linked to all sources and Trino (catalog edges); node inspector exposes an 'Open in OpenMetadata' deep link and PII-columns-cataloged metric.
api/dataflow.py: node-link landscape (generators->sources->CDC/Kafka->sinks, HDFS->Iceberg, sources->curated_masked) with live overlays (movement run state, CDC volume, Trino counts) and PII overlay. api/pii_catalog.py: column PII classification via Trino information_schema (OM-ready). Endpoints /api/dataflow, /api/dataflow/{id}/run, /api/pii.
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