ETL API
=======

Entrypoints and Runtime Contracts
---------------------------------

.. autosummary::
   :toctree: generated

   loom.etl.runner
   loom.etl.runtime

Declarative Authoring
---------------------

.. autosummary::
   :toctree: generated

   loom.etl.declarative
   loom.etl.pipeline
   loom.etl.schema

Execution Infrastructure
------------------------

.. autosummary::
   :toctree: generated

   loom.etl.storage
   loom.etl.checkpoint
   loom.etl.observability

Backends
--------

.. autosummary::
   :toctree: generated

   loom.etl.backends._historify
   loom.etl.backends.polars
   loom.etl.backends.spark

Testing
-------

.. autosummary::
   :toctree: generated

   loom.etl.testing
   loom.etl.testing.spark