v1.6.7 - Fix default version fallback and newly downloaded launcher games classification

Deployment sequence initiated for version 1.6.7. This transmission contains critical updates to the core engine and agentic capabilities.

Transmission Details

• Copy app-update.yml to packaged resources so native updates can resolve successfully
• Automatically map newly scanned Local games to their correct platforms (Steam, Epic, EA Desktop, etc.) based on install/exe paths
• Merge duplicate scanned game metadata keys to preserve direct paths alongside platform mappings