Add duty cycle/utilization fields, wheel picker for goals, and updated screenshots

- Add dutyCyclePercent and defaultUtilizationFactorPercent to ComponentLibraryItem
  with normalization logic and backend field fetching
- Change default dailyUsageHours from 1h to 24h
- Replace goal editor stepper with day/hour/minute wheel pickers
- Update app icon colors and remove duplicate icon assets
- Move SavedBattery.swift into Batteries/ directory, remove Pods group
- Add iPad-only flag and start frame support to screenshot framing scripts
- Rework localized App Store screenshot titles across all languages
- Add runtime goals and BOM completed items to sample data
- Bump version to 1.5.1 (build 41)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Shots/Titles/nl.conf

@@ -1,7 +1,6 @@
-OnboardingSystemsView=*Simpel*systemen aanmaken\nen vergelijken
-OnboardingLoadsView=*Duidelijk*apparaten tonen\nen beheren
-LoadEditorView=*Betrouwbaar*zekering kiezen\nper apparaat
+StartFrameTitle=Zodat de*elektriciteit*\nniet*in brand* vliegt
+AdventureVanOverview=Behoud het*overzicht*\nover je elektrische systeem
+LoadEditorView=*Betrouwbaar*bereken kabels\nen zekeringen per apparaat
+OnboardingSystemView=*Veilig*combineer\nverbruikers, batterijen en laders
 ComponentSelectorView=Vind in de*grote*catalogus\nwat je zoekt
-SystemsWithSampleData=*Snel*door je systemen\nbladeren
-AdventureVanLoads=*Maak*aangepaste verbruikers\nvoor je systeem
-AdventureVanBillOfMaterials=Houd*overzicht*\nvan wat je al kocht
+BillOfMaterials=Weet*precies*\nwat je nog nodig hebt