Folder-only mode (-N flag) now uses asset_representation_template.json
as the base for all metadata fields, matching the exact structure the DAM
API expects. Also adds EOL (External Legal Opinion) as a new asset type
with field overrides (Agency=-, ProdCompany=-, Languages=Global,
IPRights=Yes, Licensing=No, no validity dates).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
