feat: add MCP support (#1471)

ui/flutter/lib/core/common/api_server_state.dart

@@ -1,6 +1,7 @@
 class ApiServerState {
   const ApiServerState({
     required this.enabled,
+    required this.mcpEnabled,
     required this.running,
     required this.network,
     required this.address,
@@ -10,6 +11,7 @@ class ApiServerState {
   });
 
   final bool enabled;
+  final bool mcpEnabled;
   final bool running;
   final String network;
   final String address;
@@ -20,6 +22,7 @@ class ApiServerState {
   factory ApiServerState.fromJson(Map<String, dynamic> json) {
     return ApiServerState(
       enabled: json['enabled'] as bool? ?? false,
+      mcpEnabled: json['mcpEnabled'] as bool? ?? false,
       running: json['running'] as bool? ?? false,
       network: json['network'] as String? ?? '',
       address: json['address'] as String? ?? '',
@@ -50,6 +53,7 @@ class ApiServerOperationResult {
       state: rawState == null
           ? const ApiServerState(
               enabled: false,
+              mcpEnabled: false,
               running: false,
               network: '',
               address: '',

ui/flutter/lib/core/common/start_config.dart

@@ -20,6 +20,7 @@ class StartConfig {
   late String network;
   late String address;
   bool apiEnable = false;
+  bool mcpEnable = false;
   late String storage;
   late String storageDir;
   late int refreshInterval;

ui/flutter/lib/core/common/start_config.g.dart

@@ -23,6 +23,7 @@ StartConfig _$StartConfigFromJson(Map<String, dynamic> json) => StartConfig()
   ..network = json['network'] as String
   ..address = json['address'] as String
   ..apiEnable = json['apiEnable'] as bool
+  ..mcpEnable = json['mcpEnable'] as bool? ?? false
   ..storage = json['storage'] as String
   ..storageDir = json['storageDir'] as String
   ..refreshInterval = (json['refreshInterval'] as num).toInt()
@@ -38,6 +39,7 @@ Map<String, dynamic> _$StartConfigToJson(StartConfig instance) =>
       'network': instance.network,
       'address': instance.address,
       'apiEnable': instance.apiEnable,
+      'mcpEnable': instance.mcpEnable,
       'storage': instance.storage,
       'storageDir': instance.storageDir,
       'refreshInterval': instance.refreshInterval,