feat: Add Nanaxe server with Docker, GitHub Actions CI/CD, and auto-deployment

- Add complete server infrastructure with Gitea, API, PostgreSQL
- Implement Obsidian-compatible markdown mindmap converter
- Add Flutter service for server synchronization
- Configure GitHub Actions for automated build and deploy
- Add production docker-compose with health checks
- Include VPS setup and deployment scripts
- Add comprehensive deployment documentation

lib/providers/mindmap_provider.dart

@@ -1,13 +1,15 @@
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:uuid/uuid.dart';
+import 'package:reactive_mind_map/reactive_mind_map.dart' as rm;
 import '../models/mind_map_model.dart';
-import '../models/task_model.dart';
 import '../core/firestore_service.dart';
 import '../core/local_storage_service.dart';
 import '../core/deepseek_service.dart';
+import '../core/mind_map_adapter.dart';
 
 // Provider для mind-карты проекта
-final mindMapProvider = StateNotifierProvider.family<MindMapNotifier, AsyncValue<MindMapData>, String>((ref, projectId) {
+final mindMapProvider = StateNotifierProvider.family<MindMapNotifier,
+    AsyncValue<MindMapData>, String>((ref, projectId) {
   return MindMapNotifier(projectId);
 });
 
@@ -31,9 +33,16 @@ class MindMapData {
 
   // Получить родительский узел
   MindMapNode? getParent(String nodeId) {
-    final node = nodes.firstWhere((n) => n.id == nodeId, orElse: () => throw Exception('Node not found'));
+    final node = nodes.firstWhere((n) => n.id == nodeId,
+        orElse: () => throw Exception('Node not found'));
     if (node.parentId == null) return null;
-    return nodes.firstWhere((n) => n.id == node.parentId, orElse: () => throw Exception('Parent not found'));
+    return nodes.firstWhere((n) => n.id == node.parentId,
+        orElse: () => throw Exception('Parent not found'));
+  }
+
+  // Конвертировать в reactive_mind_map формат
+  rm.MindMapData toReactiveMindMapData() {
+    return MindMapAdapter.nodesToMindMapData(nodes);
   }
 }
 
@@ -49,8 +58,9 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
     try {
       // Загружаем из локального хранилища
       final localNodes = localStorageService.getMindMapNodes();
-      final projectNodes = localNodes.where((n) => n.projectId == projectId).toList();
-      
+      final projectNodes =
+          localNodes.where((n) => n.projectId == projectId).toList();
+
       state = AsyncValue.data(_createMindMapData(projectNodes));
 
       // TODO: Загрузить из Firestore и синхронизировать
@@ -90,7 +100,7 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
     String icon = 'folder',
   }) async {
     try {
-      final parentNode = parentId != null 
+      final parentNode = parentId != null
           ? state.value?.nodes.firstWhere((n) => n.id == parentId)
           : null;
 
@@ -123,11 +133,11 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
       final currentData = state.value;
       if (currentData != null) {
         final updatedNodes = [...currentData.nodes, node];
-        
+
         if (parentId != null) {
           currentData.childrenMap.putIfAbsent(parentId, () => []).add(node.id);
         }
-        
+
         state = AsyncValue.data(MindMapData(
           nodes: updatedNodes,
           childrenMap: currentData.childrenMap,
@@ -143,7 +153,8 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
   }
 
   // Обновление узла
-  Future<void> updateNode(String nodeId, {
+  Future<void> updateNode(
+    String nodeId, {
     String? title,
     String? color,
     String? icon,
@@ -203,7 +214,9 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
       _collectChildNodes(nodeId, currentData, nodesToDelete);
 
       // Сохраняем для удаления
-      final nodes = currentData.nodes.where((n) => !nodesToDelete.contains(n.id)).toList();
+      final nodes = currentData.nodes
+          .where((n) => !nodesToDelete.contains(n.id))
+          .toList();
 
       // Сохраняем локально (удаляем)
       for (final id in nodesToDelete) {
@@ -234,7 +247,8 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
   }
 
   // Рекурсивный сбор дочерних узлов
-  void _collectChildNodes(String parentId, MindMapData data, Set<String> result) {
+  void _collectChildNodes(
+      String parentId, MindMapData data, Set<String> result) {
     final childIds = data.childrenMap[parentId] ?? [];
     for (final childId in childIds) {
       result.add(childId);
@@ -260,7 +274,7 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
         final nodeData = nodesData[i];
         final level = nodeData['level'] as int;
         final parentId = nodeData['parentId'] as int?;
-        
+
         String? actualParentId;
         if (parentId != null && parentId < nodes.length) {
           actualParentId = nodes[parentId].id;
@@ -272,16 +286,16 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
           x: (level * 200).toDouble(), // Автоматическое позиционирование
           y: (i * 50).toDouble(),
         );
-        
+
         nodes.add(node);
-        
+
         if (level == 0) {
           rootNode = node;
         }
       }
 
       return nodes;
-    } catch (e, st) {
+    } catch (e) {
       rethrow;
     }
   }
@@ -300,16 +314,18 @@ class MindMapNotifier extends StateNotifier<AsyncValue<MindMapData>> {
     return {
       'projectId': projectId,
       'rootNodeId': data.rootNodeId,
-      'nodes': data.nodes.map((n) => {
-        'id': n.id,
-        'parentId': n.parentId,
-        'level': n.level,
-        'title': n.title,
-        'x': n.x,
-        'y': n.y,
-        'color': n.color,
-        'icon': n.icon,
-      }).toList(),
+      'nodes': data.nodes
+          .map((n) => {
+                'id': n.id,
+                'parentId': n.parentId,
+                'level': n.level,
+                'title': n.title,
+                'x': n.x,
+                'y': n.y,
+                'color': n.color,
+                'icon': n.icon,
+              })
+          .toList(),
     };
   }