- Created domain directory with marketplace and global_marketplace models
- Extracted MarketplaceOffer and MarketplaceBid from coordinator-api
- Extracted global marketplace models:
- MarketplaceStatus and RegionStatus enums
- MarketplaceRegion
- GlobalMarketplaceConfig
- GlobalMarketplaceOffer
- GlobalMarketplaceTransaction
- Updated domain __init__.py to export all models
This completes Phase 4.4b: Extract marketplace domain models