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/es.conf

@@ -1,7 +1,6 @@
-OnboardingSystemsView=*Fácil*crear sistemas\ny compararlos
-OnboardingLoadsView=*Claro*lista equipos\ny gestiona todo
-LoadEditorView=*Fiable*calcula el fusible\nadecuado
+StartFrameTitle=Para que la*electricidad*\nno*se incendie*
+AdventureVanOverview=Mantén el*control*\nde tu sistema eléctrico
+LoadEditorView=*Fiable*calcula los cables\ny fusibles adecuados
+OnboardingSystemView=*Seguro*combina\nconsumos, baterías y cargadores
 ComponentSelectorView=Busca en el*amplio*catálogo\nlo que necesitas
-SystemsWithSampleData=*Rápido*revisa tus sistemas\nde un vistazo
-AdventureVanLoads=*Crea*cargas a medida\npara tu sistema
-AdventureVanBillOfMaterials=Lleva*control*\nde lo ya comprado
+BillOfMaterials=Ten*claro*\nqué piezas aún te faltan