Add POIs response

ors-client/src/main/java/org/nitri/ors/model/pois/PoisResponse.kt

@@ -0,0 +1,83 @@
+package org.nitri.ors.model.pois
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+/**
+ * Top-level POIs GeoJSON response:
+ * {
+ *   "type": "FeatureCollection",
+ *   "bbox": [minLon, minLat, maxLon, maxLat],
+ *   "features": [...],
+ *   "information": {...}
+ * }
+ */
+@Serializable
+data class PoisGeoJsonResponse(
+    val type: String,                                // "FeatureCollection"
+    val bbox: List<Double>? = null,                  // [minLon, minLat, maxLon, maxLat]
+    val features: List<PoiFeature>,
+    val information: PoisInformation? = null         // metadata (sometimes called "information")
+)
+
+/** A single GeoJSON feature (Point) */
+@Serializable
+data class PoiFeature(
+    val type: String,                                // "Feature"
+    val geometry: PoiGeometry,
+    val properties: PoiProperties
+)
+
+@Serializable
+data class PoiGeometry(
+    val type: String,                                // "Point"
+    val coordinates: List<Double>                    // [lon, lat]
+)
+
+/**
+ * Properties seen in your sample. Some fields are optional across results.
+ * - category_ids is an object with integer keys -> map to Map<Int, CategoryInfo>
+ * - osm_tags is a free-form OSM tag map (strings)
+ */
+@Serializable
+data class PoiProperties(
+    @SerialName("osm_id") val osmId: Long,
+    @SerialName("osm_type") val osmType: Int,
+    val distance: Double,
+    @SerialName("category_ids") val categoryIds: Map<Int, CategoryInfo>? = null,
+    @SerialName("osm_tags") val osmTags: Map<String, String>? = null
+)
+
+@Serializable
+data class CategoryInfo(
+    @SerialName("category_name") val categoryName: String,
+    @SerialName("category_group") val categoryGroup: String
+)
+
+/**
+ * The “information” block at the end of the response.
+ * Note: ORS uses "information" (not "metadata") here.
+ */
+@Serializable
+data class PoisInformation(
+    val attribution: String? = null,
+    val version: String? = null,
+    val timestamp: Long? = null,
+    val query: PoisQueryInfo? = null
+)
+
+/** Echo of the request inside the information block */
+@Serializable
+data class PoisQueryInfo(
+    val request: String? = null,                     // "pois"
+    val geometry: PoisQueryGeometry? = null
+)
+
+/** Mirrors the request’s geometry wrapper */
+@Serializable
+data class PoisQueryGeometry(
+    val bbox: List<List<Double>>? = null,            // [[minLon,minLat],[maxLon,maxLat]]
+    val geojson: GeoJsonGeometry? = null,
+    val buffer: Int? = null
+)
+