08d8cd75ee
New import_to_mongo.py: imports Medidata EDC Data Listing CSVs into MongoDB (db: edc), filters CZE-only rows, uses dot-notation collections (e.g. UCO3001.ConcomitantTherapy), and tracks field changes over time in a history[] array per document. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>