dea-scripts: Build CSV↔SQLite↔YAML converter

[emmanuel-a-otchere]

WBS: DT-S-001 | Developer Tooling

Phase: Code | Layer: L2 — Tooling | Priority: High

Objective

Build bi-directional conversion between CSV, SQLite, and YAML catalog formats.

Deliverables

• dea_convert --from csv --to sqlite catalog.csv
• dea_convert --from sqlite --to yaml catalog.db
• dea_convert --from yaml --to csv catalog/
• Preserves entity IDs and relationship types during conversion
• Unit tests with pytest
• Python package: pip install dea-scripts