max zoom per tile type

lib/localizations/en.json

@@ -191,6 +191,11 @@
     "attribution": "Attribution",
     "attributionHint": "© Map Provider",
     "attributionRequired": "Attribution is required",
+    "maxZoom": "Max Zoom Level",
+    "maxZoomHint": "Maximum zoom level (1-19)",
+    "maxZoomRequired": "Max zoom is required",
+    "maxZoomInvalid": "Max zoom must be a number",
+    "maxZoomRange": "Max zoom must be between {} and {}",
     "fetchPreview": "Fetch Preview",
     "previewTileLoaded": "Preview tile loaded successfully",
     "previewTileFailed": "Failed to fetch preview: {}",

lib/models/tile_provider.dart

@@ -8,6 +8,7 @@ class TileType {
   final String urlTemplate;
   final String attribution;
   final Uint8List? previewTile; // Single tile image data for preview
+  final int maxZoom; // Maximum zoom level for this tile type
 
   const TileType({
     required this.id,
@@ -15,6 +16,7 @@ class TileType {
     required this.urlTemplate,
     required this.attribution,
     this.previewTile,
+    this.maxZoom = 18, // Default max zoom level
   });
 
   /// Create URL for a specific tile, replacing template variables
@@ -40,6 +42,7 @@ class TileType {
     'urlTemplate': urlTemplate,
     'attribution': attribution,
     'previewTile': previewTile != null ? base64Encode(previewTile!) : null,
+    'maxZoom': maxZoom,
   };
 
   static TileType fromJson(Map<String, dynamic> json) => TileType(
@@ -50,6 +53,7 @@ class TileType {
     previewTile: json['previewTile'] != null 
         ? base64Decode(json['previewTile'])
         : null,
+    maxZoom: json['maxZoom'] ?? 18, // Default to 18 if not specified
   );
 
   TileType copyWith({
@@ -58,12 +62,14 @@ class TileType {
     String? urlTemplate,
     String? attribution,
     Uint8List? previewTile,
+    int? maxZoom,
   }) => TileType(
     id: id ?? this.id,
     name: name ?? this.name,
     urlTemplate: urlTemplate ?? this.urlTemplate,
     attribution: attribution ?? this.attribution,
     previewTile: previewTile ?? this.previewTile,
+    maxZoom: maxZoom ?? this.maxZoom,
   );
 
   @override
@@ -151,6 +157,7 @@ class DefaultTileProviders {
             name: 'Street Map',
             urlTemplate: 'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
             attribution: '© OpenStreetMap contributors',
+            maxZoom: 19,
           ),
         ],
       ),

lib/screens/tile_provider_editor_screen.dart

@@ -256,6 +256,7 @@ class _TileTypeDialogState extends State<_TileTypeDialog> {
   late final TextEditingController _nameController;
   late final TextEditingController _urlController;
   late final TextEditingController _attributionController;
+  late final TextEditingController _maxZoomController;
   Uint8List? _previewTile;
   bool _isLoadingPreview = false;
 
@@ -266,6 +267,7 @@ class _TileTypeDialogState extends State<_TileTypeDialog> {
     _nameController = TextEditingController(text: tileType?.name ?? '');
     _urlController = TextEditingController(text: tileType?.urlTemplate ?? '');
     _attributionController = TextEditingController(text: tileType?.attribution ?? '');
+    _maxZoomController = TextEditingController(text: (tileType?.maxZoom ?? 18).toString());
     _previewTile = tileType?.previewTile;
   }
 
@@ -274,6 +276,7 @@ class _TileTypeDialogState extends State<_TileTypeDialog> {
     _nameController.dispose();
     _urlController.dispose();
     _attributionController.dispose();
+    _maxZoomController.dispose();
     super.dispose();
   }
 
@@ -326,6 +329,22 @@ class _TileTypeDialogState extends State<_TileTypeDialog> {
                     validator: (value) => value?.trim().isEmpty == true ? locService.t('tileTypeEditor.attributionRequired') : null,
                   ),
                   const SizedBox(height: 16),
+                  TextFormField(
+                    controller: _maxZoomController,
+                    decoration: InputDecoration(
+                      labelText: locService.t('tileTypeEditor.maxZoom'),
+                      hintText: locService.t('tileTypeEditor.maxZoomHint'),
+                    ),
+                    keyboardType: TextInputType.number,
+                    validator: (value) {
+                      if (value?.trim().isEmpty == true) return locService.t('tileTypeEditor.maxZoomRequired');
+                      final zoom = int.tryParse(value!);
+                      if (zoom == null) return locService.t('tileTypeEditor.maxZoomInvalid');
+                      if (zoom < 1 || zoom > kAbsoluteMaxZoom) return locService.t('tileTypeEditor.maxZoomRange', params: ['1', kAbsoluteMaxZoom.toString()]);
+                      return null;
+                    },
+                  ),
+                  const SizedBox(height: 16),
                   Row(
                     children: [
                       TextButton.icon(
@@ -425,6 +444,7 @@ class _TileTypeDialogState extends State<_TileTypeDialog> {
       urlTemplate: _urlController.text.trim(),
       attribution: _attributionController.text.trim(),
       previewTile: _previewTile,
+      maxZoom: int.parse(_maxZoomController.text.trim()),
     );
 
     widget.onSave(tileType);

lib/widgets/map/tile_layer_manager.dart

@@ -78,6 +78,7 @@ class TileLayerManager {
     return TileLayer(
       urlTemplate: urlTemplate,
       userAgentPackageName: 'me.deflock.deflockapp',
+      maxZoom: selectedTileType?.maxZoom?.toDouble() ?? 18.0,
       tileProvider: NetworkTileProvider(
         httpClient: _tileHttpClient,
         // Enable flutter_map caching - cache busting handled by URL changes and FlutterMap key

lib/widgets/map_view.dart

@@ -452,7 +452,7 @@ class MapViewState extends State<MapView> {
             options: MapOptions(
               initialCenter: _gpsController.currentLocation ?? _positionManager.initialLocation ?? LatLng(37.7749, -122.4194),
             initialZoom: _positionManager.initialZoom ?? 15,
-            maxZoom: 19,
+            maxZoom: (appState.selectedTileType?.maxZoom ?? 18).toDouble(),
             onPositionChanged: (pos, gesture) {
               setState(() {}); // Instant UI update for zoom, etc.
               if (gesture) widget.onUserGesture();