tiles not working but new map data provider exists in theory

lib/services/map_data_submodules/cameras_from_overpass.dart

@@ -0,0 +1,58 @@
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+import 'package:latlong2/latlong.dart';
+import 'package:flutter_map/flutter_map.dart';
+
+import '../../models/camera_profile.dart';
+import '../../models/osm_camera_node.dart';
+import '../../app_state.dart';
+
+/// Fetches cameras from the Overpass OSM API for the given bounds and profiles.
+Future<List<OsmCameraNode>> camerasFromOverpass({
+  required LatLngBounds bounds,
+  required List<CameraProfile> profiles,
+  UploadMode uploadMode = UploadMode.production,
+}) async {
+  if (profiles.isEmpty) return [];
+
+  final nodeClauses = profiles.map((profile) {
+    final tagFilters = profile.tags.entries
+        .map((e) => '["${e.key}"="${e.value}"]')
+        .join('\n          ');
+    return '''node\n          $tagFilters\n          (${bounds.southWest.latitude},${bounds.southWest.longitude},\n           ${bounds.northEast.latitude},${bounds.northEast.longitude});''';
+  }).join('\n      ');
+
+  const String prodEndpoint = 'https://overpass-api.de/api/interpreter';
+
+  final query = '''
+    [out:json][timeout:25];
+    (
+      $nodeClauses
+    );
+    out body 250;
+  ''';
+
+  try {
+    print('[camerasFromOverpass] Querying Overpass...');
+    print('[camerasFromOverpass] Query:\n$query');
+    final resp = await http.post(Uri.parse(prodEndpoint), body: {'data': query.trim()});
+    print('[camerasFromOverpass] Status: ${resp.statusCode}, Length: ${resp.body.length}');
+    if (resp.statusCode != 200) {
+      print('[camerasFromOverpass] Overpass failed: ${resp.body}');
+      return [];
+    }
+    final data = jsonDecode(resp.body) as Map<String, dynamic>;
+    final elements = data['elements'] as List<dynamic>;
+    print('[camerasFromOverpass] Retrieved elements: ${elements.length}');
+    return elements.whereType<Map<String, dynamic>>().map((e) {
+      return OsmCameraNode(
+        id: e['id'],
+        coord: LatLng(e['lat'], e['lon']),
+        tags: Map<String, String>.from(e['tags'] ?? {}),
+      );
+    }).toList();
+  } catch (e) {
+    print('[camerasFromOverpass] Overpass exception: $e');
+    return [];
+  }
+}

lib/services/map_data_submodules/tiles_from_osm.dart

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+import 'dart:math';
+import 'dart:io';
+import 'package:http/http.dart' as http;
+
+/// Fetches a tile from OSM, with in-memory retries/backoff.
+/// Returns tile image bytes, or throws on persistent failure.
+Future<List<int>> fetchOSMTile({
+  required int z,
+  required int x,
+  required int y,
+}) async {
+  final url = 'https://tile.openstreetmap.org/$z/$x/$y.png';
+  const int maxAttempts = 3;
+  int attempt = 0;
+  final random = Random();
+  final delays = [
+    0,
+    3000 + random.nextInt(1000) - 500,
+    10000 + random.nextInt(4000) - 2000
+  ];
+  while (true) {
+    try {
+      attempt++;
+      final resp = await http.get(Uri.parse(url));
+      if (resp.statusCode == 200) {
+        return resp.bodyBytes;
+      } else {
+        throw HttpException('Failed to fetch tile $z/$x/$y: status ${resp.statusCode}');
+      }
+    } catch (e) {
+      if (attempt >= maxAttempts) {
+        print("[fetchOSMTile] Failed for $z/$x/$y after $attempt attempts: $e");
+        rethrow;
+      }
+      final delay = delays[attempt - 1].clamp(0, 60000);
+      print("[fetchOSMTile] Attempt $attempt for $z/$x/$y failed: $e. Retrying in ${delay}ms.");
+      await Future.delayed(Duration(milliseconds: delay));
+    }
+  }
+}