KB Meta Fetch

Core Goal

• Pull journal-article records from Crossref after a given --from-date.
• Read ISSN seed rows from journals_issn (journal, issn1).
• Insert rows into journals with ON CONFLICT (doi) DO NOTHING.
• Keep the implementation aligned with 1_crossref_multi_increment.py.

Run Workflow

1. Set database connection env vars (user-managed keys prefixed with KB_):

• KB_DB_HOST
• KB_DB_PORT
• KB_DB_NAME
• KB_DB_USER
• KB_DB_PASSWORD
• KB_LOG_DIR (required, log output directory)

2. Run incremental fetch with a required date: