Android Widget - Limit train changes

[drehelis]

[Copilot]

Pull request overview

This PR adds a user-configurable filter to limit the maximum number of train changes displayed in the Android widget. Users can select "No limit", "Direct trains only", or "Up to 1 change" through a collapsible "Advanced" section in the widget configuration.

Changes:

• Added UI for configuring maximum train changes filter in widget settings
• Implemented filtering logic in the repository layer to apply the changes limit
• Enhanced the data model to track the number of changes per train route
• Updated click targets in widget layouts to improve touch area for route reversal

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
android/app/src/main/res/values/strings.xml	Added English strings for advanced section and max changes options
android/app/src/main/res/values-ru/strings.xml	Added Russian translations for new strings
android/app/src/main/res/values-iw/strings.xml	Added Hebrew translations for new strings
android/app/src/main/res/layout/widget_compact_4x2.xml	Added ID to destination container and padding for improved click target
android/app/src/main/res/layout/widget_compact_2x2.xml	Added ID to destination container and padding for improved click target
android/app/src/main/res/layout/activity_widget_config.xml	Added collapsible advanced section with max changes spinner
android/app/src/main/java/com/betterrail/widget/state/WidgetState.kt	Fixed arrival time display for error states in 4x2 widget
android/app/src/main/java/com/betterrail/widget/repository/TrainScheduleRepository.kt	Applied changes filter to API responses before caching
android/app/src/main/java/com/betterrail/widget/repository/ModernWidgetPreferencesRepository.kt	Added persistence for maxChanges preference and removed unused batch save
android/app/src/main/java/com/betterrail/widget/repository/ModernCacheRepository.kt	Enhanced cache validation to handle empty filtered results
android/app/src/main/java/com/betterrail/widget/data/TrainModels.kt	Added numberOfChanges field to WidgetTrainItem and maxChanges to WidgetData
android/app/src/main/java/com/betterrail/widget/api/RailApiService.kt	Enhanced API parsing to calculate numberOfChanges and format changes text
android/app/src/main/java/com/betterrail/widget/ModernBaseWidgetProvider.kt	Updated click targets to use destination container for better UX
android/app/src/main/java/com/betterrail/widget/BaseWidgetConfigActivity.kt	Added UI logic for advanced section and max changes spinner

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[drehelis]

@guytepper בזמנך הפנוי 🙏🏻

[guytepper]

@codex review

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