SQLAlchemy 2.1 makes psycopg (v3) the default driver for postgresql:// URLs. sientia_do 1.12.2 builds that URL and only psycopg2-binary is installed, so a fresh install (any pod restart) fails with "No module named 'psycopg'" and the gateway runtime does not start (no NATS write consumer). 1.12.5 uses postgresql+psycopg2:// explicitly (sientia-dataops-library c402a75). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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