- Move showUpscaleView() from main.go to upscale_module.go
- Remove AI helper functions (detectAIUpscaleBackend, checkAIFaceEnhanceAvailable, etc.)
- Syntax passes, ready for further migration
- Build error is unrelated Fyne API issue in internal/ui
- main.go restored from corruption (13,664 lines)
- upscale_module.go created with AI helper functions
- Ready for safer incremental extraction approach