Search keyboard action

[ellenhp]

Fixes #172

[Copilot]

Pull Request Overview

This PR implements search keyboard action functionality, allowing users to trigger search by pressing the search/enter key on the keyboard. The primary enhancement focuses on improving the search user experience and adding better map pin visualization for search results.

Key changes:

• Added keyboard search action support with proper IME handling
• Enhanced map pin functionality to display search results as interactive pins
• Refactored transit models to avoid naming conflicts with the main Place class

Reviewed Changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
cardinal-android/app/src/main/java/earth/maps/cardinal/ui/home/HomeScreen.kt	Added keyboard actions, search event handling, and geocode results visualization
cardinal-android/app/src/main/java/earth/maps/cardinal/ui/home/HomeViewModel.kt	Converted geocodeResults to StateFlow and added geocodePlaces mapping
cardinal-android/app/src/main/java/earth/maps/cardinal/ui/core/MapView.kt	Updated map pins to use Place objects instead of Position
cardinal-android/app/src/main/java/earth/maps/cardinal/ui/core/AppContent.kt	Enhanced search result handling with camera animation and bounding box calculation
cardinal-android/app/src/main/java/earth/maps/cardinal/ui/core/MapViewModel.kt	Added createFeatureFromPlace method and updated layer IDs for map pin queries
cardinal-android/app/src/main/java/earth/maps/cardinal/data/Place.kt	Added toPosition() helper method
cardinal-android/app/src/main/java/earth/maps/cardinal/data/BoundingBox.kt	Added toGeoJsonBoundingBox() conversion method
cardinal-android/app/src/main/java/earth/maps/cardinal/transit/TransitousModels.kt	Renamed Place to TransitPlace to avoid naming conflicts
cardinal-android/app/src/main/java/earth/maps/cardinal/transit/TransitousService.kt	Updated to use TransitPlace instead of Place
cardinal-android/app/src/main/java/earth/maps/cardinal/ui/directions/TransitItineraryDetailScreen.kt	Updated property references to use TransitPlace
cardinal-android/app/src/main/java/earth/maps/cardinal/ui/home/OfflineAreasScreen.kt	Removed trailing whitespace

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