Accept the completed full-folder migration of Breakout using the template-based pipeline.
games/Breakout/**is canonical and runninggames/Breakout_next/**has been removed- structure aligns with template contract
- gameplay successfully migrated and wired
- Breakout runs from canonical path
- canvas rendering active
- no console errors
- correct folder structure
- no unrelated changes
- no additional refactors
- no template changes
- no engine/shared modifications
Breakout migration completed end-to-end using single BUILD pipeline.