feat: add device authentication, place gates support, and PiP navigation features

apps/siro_maps/lib/data/repositories/map_saas_repository.dart

@@ -349,4 +349,35 @@ class MapSaasRepository {
       return false;
     }
   }
+
+  /// Batch ingest multiple telemetry points in a single HTTP request (POST /api/telemetry/batch)
+  Future<bool> sendTelemetryBatch({
+    required List<Map<String, dynamic>> points,
+  }) async {
+    if (points.isEmpty) return true;
+    final uri = Uri.parse(ApiConstants.mapSaasTelemetryBatch);
+    try {
+      final payload = {
+        'points': points,
+      };
+      final response = await client.post(
+        uri,
+        headers: {
+          ..._baseHeaders,
+          'Content-Type': 'application/json',
+        },
+        body: jsonEncode(payload),
+      );
+      final ok = response.statusCode == 200 || response.statusCode == 201;
+      if (ok) {
+        print("📦 [MapSaasRepo] Telemetry batch sent successfully: ${points.length} points");
+      } else {
+        print("⚠️ [MapSaasRepo] Telemetry batch HTTP ${response.statusCode}: ${response.body}");
+      }
+      return ok;
+    } catch (e) {
+      print("❌ [MapSaasRepo] sendTelemetryBatch error: $e");
+      return false;
+    }
+  }
 }