Scans a staging directory for batch artifacts written by cs_run_batch(),
validates the schema, and writes each batch into the pins board as a
batch_{id} pin. Idempotent: if a batch pin already exists, it is skipped.
Scans a staging directory for batch artifacts written by cs_run_batch(),
validates the schema, and writes each batch into the pins board as a
batch_{id} pin. Idempotent: if a batch pin already exists, it is skipped.