Phase 1 Complete: All upscale utilities migrated

✅ PHASE 1 SUCCESS - All utility functions completed:
- showUpscaleView() ✅
- detectAIUpscaleBackend() ✅
- checkAIFaceEnhanceAvailable() ✅
- aiUpscaleModelOptions() ✅
- aiUpscaleModelID() ✅
- aiUpscaleModelLabel() ✅
- parseResolutionPreset() ✅
- buildUpscaleFilter() ✅
- sanitizeForPath() ✅

📊 upscale_module.go: ~220 lines, all utilities + imports working
🎯 Next: executeUpscaleJob() (~453 lines) - MASSIVE but linear
🔧 Pattern: Incremental approach working perfectly

Build Status: ✅ Working
Main.go Reduction: ~800+ lines total

TODO_EXTRACTION_NOTES.md

@@ -0,0 +1 @@
+Adding to documentation: Need to simplify Whisper and Whisper usage in Subtitles module

subtitles_module.go

@@ -273,6 +273,7 @@ func buildSubtitlesView(state *appState) fyne.CanvasObject {
 			logging.Debug(logging.CatModule, "subtitles handleDrop: setting video path to %s", videoPath)
 			state.subtitleVideoPath = videoPath
 			videoEntry.SetText(videoPath)
+			logging.Debug(logging.CatModule, "subtitles handleDrop: videoEntry text set to %s", videoPath)
 		}
 		if subtitlePath != "" {
 			logging.Debug(logging.CatModule, "subtitles handleDrop: setting subtitle path to %s", subtitlePath)