Update map marker mapping for locations query.

Switch MapMarkers handling from getMarkers to locations, and align mapper fields with the new Location payload while preserving MapItem coordinates and online status.

Made-with: Cursor

sdk/src/main/graphql/MapLocations.graphql

@@ -1,9 +1,14 @@
 query MapMarkers($isOnline: Boolean!) {
-  getMarkers(filter: { isOnline: $isOnline }) {
+  locations(filter: { isOnline: $isOnline }) {
     _id
     name
+    city
+    isOnline
     latitude
     longitude
-    text
+    metricList
+    currentValue {
+      PMS25
+    }
   }
 }

sdk/src/main/kotlin/org/db3/airmq/sdk/map/ApolloMapItemMapper.kt

@@ -5,17 +5,15 @@ import org.db3.airmq.sdk.MapMarkersQuery
 import org.db3.airmq.sdk.map.domain.MapItem
 
 class ApolloMapItemMapper @Inject constructor() {
-    fun toDomain(marker: MapMarkersQuery.GetMarker, index: Int): MapItem? {
-        val latitude = marker.latitude ?: return null
-        val longitude = marker.longitude ?: return null
-        val id = marker._id?.ifBlank { null } ?: "marker-$index"
+    fun toDomain(location: MapMarkersQuery.Location, index: Int): MapItem? {
+        val id = location._id.ifBlank { "location-$index" }
         return MapItem(
             id = id,
-            title = marker.name?.ifBlank { null } ?: marker.text?.ifBlank { null } ?: id,
-            city = null,
-            latitude = latitude,
-            longitude = longitude,
-            isOnline = false
+            title = location.name.ifBlank { id },
+            city = location.city?.ifBlank { null },
+            latitude = location.latitude,
+            longitude = location.longitude,
+            isOnline = location.isOnline ?: false
         )
     }
 }

sdk/src/main/kotlin/org/db3/airmq/sdk/map/MapServiceImpl.kt

@@ -21,10 +21,10 @@ class MapServiceImpl @Inject constructor(
             throw IllegalStateException(gqlError.message)
         }
 
-        val mappedItems = response.data?.getMarkers
+        val mappedItems = response.data?.locations
             .orEmpty()
             .filterNotNull()
-            .mapIndexedNotNull { index, marker -> mapper.toDomain(marker, index) }
+            .mapIndexedNotNull { index, location -> mapper.toDomain(location, index) }
         Log.d(TAG, "MapMarkers Apollo query returned ${mappedItems.size} items")
         return mappedItems
     }