Release 1.2.1: iCloud sync improvements + ASO multilingual metadata

iCloud sync:
- Force viewContext.refreshAllObjects() on remote change notifications so
  data from other devices is picked up immediately without app restart
- Call refreshFromCloudKit() on foreground to merge any changes made while
  the device was inactive
- Wait up to 10s for initial CloudKit sync on launch before showing onboarding
  (shows "Checking iCloud..." during the wait)
- New OnboardingICloudCheckView: shown on fresh installs with iCloud available,
  lets user restore from iCloud before starting onboarding from scratch

Localization:
- Added de, fr, it, ja, pt-BR lproj folders
- New iCloud onboarding strings in en + es-ES (+ button literals)

ASO metadata (fastlane):
- Updated en-US: new subtitle, keywords, description (fixed "no cloud sync"
  claim), promotional text, release notes
- Added full metadata for es-ES, de-DE, fr-FR, it, ja, pt-BR (63 files total)
- All keyword fields validated ≤100 Unicode chars

Infrastructure:
- Gemfile + Gemfile.lock for fastlane
- Scripts/archive_and_upload_appstore.sh for CI/CD

Version: 1.2.1 (build 7)

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

PortfolioJournal/Resources/en.lproj/Localizable.strings

@@ -197,6 +197,13 @@
 "onboarding_goals_title" = "Reach your financial goals";
 "onboarding_goals_desc" = "Set targets, track milestones, and see exactly how far you've come.";
 
+// iCloud check before onboarding (1.2.1)
+"icloud_check_title" = "Already use Portfolio Journal?";
+"icloud_check_description" = "If you have data on another device, enable iCloud to restore it here.";
+"icloud_enabled_title" = "iCloud Enabled";
+"icloud_enabled_description" = "Close the app and reopen it. Your data will load automatically from iCloud.";
+"checking_icloud" = "Checking iCloud...";
+
 // MARK: - Errors
 "error_generic" = "An error occurred. Please try again.";
 "error_no_purchases" = "No purchases found to restore";
@@ -255,3 +262,21 @@
 "date_never" = "Never";
 "calendar_event_title" = "%@: Monthly Check-in";
 "calendar_event_notes" = "Open %@ and complete your monthly check-in.";
+
+// MARK: - Satisfaction & Review Dialogs
+"checkin_enjoying_dialog_title" = "How much are you enjoying Portfolio Journal?";
+"checkin_enjoying_dialog_message" = "Congrats on your new achievement! Your feedback helps us improve.";
+"not_now" = "Not Now";
+"rating_1_star" = "1 Star";
+"rating_n_stars" = "%d Stars";
+"app_store_review_title" = "Would you like to leave an App Store review?";
+"app_store_review_message" = "Thanks for the 5 stars. It really helps other investors discover the app.";
+"write_review" = "Write a Review";
+
+// MARK: - Batch Update Actions
+"save_1_snapshot" = "Save 1 Snapshot";
+"save_n_snapshots" = "Save %d Snapshots";
+
+// MARK: - Monthly Check-in Card
+"checkin_update_month" = "Update %@";
+"checkin_start_new" = "Start";