Support multiple Git DAG bundles - #6
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Summary
--bundle-manifestto load multiple Git-backed DAG sources into one Airflow instance.GitDagBundlefor every source.Rationale
The workbench remains shared infrastructure for trusted products. DAG entrypoints may come from separate repositories while product business logic stays with each product. Python dependencies are never installed while parsing a DAG: a multi-source deployment uses an explicit, tested shared image with pinned product package revisions.
Validation
python3 -m py_compile bin/etl-workbenchpython3 -m unittest discover -s tests -v— 3 tests passedBoundary
This separates operational ownership through product-specific Connections, Pools, and object prefixes. It does not make the local workbench an isolation boundary for untrusted DAG code.