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/en.conf

@@ -1,7 +1,6 @@
-OnboardingSystemsView=*Easily*create systems\nand compare them
-OnboardingLoadsView=*Clearly*list devices\nand manage them
-LoadEditorView=*Reliably*size the fuse\nfor each device
+StartFrameTitle=So your*electrics*\ndon't*catch fire*
+AdventureVanOverview=Stay in*control*\nof your electrical system
+LoadEditorView=*Reliably*size cables\nand fuses for each device
+OnboardingSystemView=*Safely*combine\nloads, batteries, and chargers
 ComponentSelectorView=Find in the*huge*catalog\nwhat you need
-SystemsWithSampleData=*Quickly*browse your systems\nat a glance
-AdventureVanLoads=*Create*custom loads\nfor your setup
-AdventureVanBillOfMaterials=Stay*organized*\nwith your purchases
+BillOfMaterials=Know*exactly*\nwhich parts you still need