Implement legacy-style map markers with UI model mapping.

Replace default OSM pins with round value-based icons, add DTO-to-domain-to-UI marker mapping, and normalize no-value/offline styling while keeping ownership icon behavior stubbed for future auth integration.

Made-with: Cursor

sdk/src/main/graphql/MapLocations.graphql

@@ -1,5 +1,5 @@
-query MapMarkers($isOnline: Boolean!) {
-  locations(filter: { isOnline: $isOnline }) {
+query MapMarkers {
+  locations {
     _id
     name
     city
@@ -9,6 +9,7 @@ query MapMarkers($isOnline: Boolean!) {
     metricList
     currentValue {
       PMS25
+      Count
     }
   }
 }

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

@@ -13,7 +13,9 @@ class ApolloMapItemMapper @Inject constructor() {
             city = location.city?.ifBlank { null },
             latitude = location.latitude,
             longitude = location.longitude,
-            isOnline = location.isOnline ?: false
+            isOnline = location.isOnline ?: false,
+            dustValue = location.currentValue?.PMS25?.toDouble(),
+            radioactivityValue = location.currentValue?.Count?.toDouble()
         )
     }
 }

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

@@ -13,7 +13,7 @@ class MapServiceImpl @Inject constructor(
     override suspend fun fetchMapItems(): List<MapItem> {
         Log.d(TAG, "Executing MapMarkers Apollo query")
         val response = apolloClient
-            .query(MapMarkersQuery(isOnline = false))
+            .query(MapMarkersQuery())
             .execute()
 
         response.errors?.firstOrNull()?.let { gqlError ->

sdk/src/main/kotlin/org/db3/airmq/sdk/map/domain/MapItem.kt

@@ -6,5 +6,7 @@ data class MapItem(
     val city: String?,
     val latitude: Double,
     val longitude: Double,
-    val isOnline: Boolean
+    val isOnline: Boolean,
+    val dustValue: Double?,
+    val radioactivityValue: Double?
 )