Feat: add custom stt models

app/lib/backend/preferences.dart

@@ -85,6 +85,16 @@ class SharedPreferencesUtil {
 
   bool get locationEnabled => getBool('locationEnabled') ?? false;
 
+  //---------------------- STT Server Settings --------------------------------//
+
+  String get sttServerType => getString('sttServerType') ?? 'traditional';
+
+  set sttServerType(String value) => saveString('sttServerType', value);
+
+  String get wyomingServerIp => getString('wyomingServerIp') ?? 'localhost:10300';
+
+  set wyomingServerIp(String value) => saveString('wyomingServerIp', value);
+
   //---------------------- Developer Settings ---------------------------------//
 
   String get webhookOnConversationCreated => getString('webhookOnConversationCreated') ?? '';

app/lib/backend/schema/memory.dart

@@ -50,7 +50,9 @@ class Memory {
       manuallyAdded: json['manually_added'] ?? false,
       edited: json['edited'] ?? false,
       deleted: json['deleted'] ?? false,
-      visibility: json['visibility'] != null ? (MemoryVisibility.values.asNameMap()[json['visibility']] ?? MemoryVisibility.public) : MemoryVisibility.public,
+      visibility: json['visibility'] != null
+          ? (MemoryVisibility.values.asNameMap()[json['visibility']] ?? MemoryVisibility.public)
+          : MemoryVisibility.public,
     );
   }
 

app/lib/backend/schema/message_event.dart

@@ -65,8 +65,11 @@ class ServerMessageEvent {
   );
 
   static ServerMessageEvent fromJson(Map<String, dynamic> json) {
+    // Handle both "type" and "event_type" fields
+    String eventType = json['type'] ?? json['event_type'] ?? 'unknown';
+
     return ServerMessageEvent(
-      MessageEventType.valuesFromString(json['type']),
+      MessageEventType.valuesFromString(eventType),
       // json['memory_id'],
       // json['processing_memory_id'],
       json['memory'] != null
@@ -81,7 +84,7 @@ class ServerMessageEvent {
       json['status'],
       json['status_text'],
       json['memory_id'] ?? json['conversation_id'],
-      json['segments'] != null 
+      json['segments'] != null
           ? (json['segments'] as List<dynamic>).map((segment) => TranscriptSegment.fromJson(segment)).toList()
           : null,
     );

app/lib/env/env.dart

@@ -1,10 +1,22 @@
 import 'package:omi/env/dev_env.dart';
+import 'package:omi/utils/logger.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 abstract class Env {
   static late final EnvFields _instance;
+  static String? _customApiBaseUrl;
+  static const String customApiBaseUrlKey = 'customApiBaseUrl';
 
-  static void init([EnvFields? instance]) {
+  static Future<void> init([EnvFields? instance]) async {
     _instance = instance ?? DevEnv() as EnvFields;
+    final prefs = await SharedPreferences.getInstance();
+    _customApiBaseUrl = prefs.getString(customApiBaseUrlKey);
+
+    // Log the initial API URL configuration
+    Logger.debug('🔧 API Configuration: Initialized with base URL: ${_getEffectiveApiBaseUrl()}');
+    if (_customApiBaseUrl != null && _customApiBaseUrl!.isNotEmpty) {
+      Logger.debug('🔄 Using custom API base URL: $_customApiBaseUrl');
+    }
   }
 
   static String? get openAIAPIKey => _instance.openAIAPIKey;
@@ -13,11 +25,20 @@ abstract class Env {
 
   static String? get mixpanelProjectToken => _instance.mixpanelProjectToken;
 
-  static String? get apiBaseUrl => _instance.apiBaseUrl;
+  // Helper method to get the effective API base URL
+  static String _getEffectiveApiBaseUrl() {
+    if (_customApiBaseUrl != null && _customApiBaseUrl!.isNotEmpty) {
+      return _customApiBaseUrl!;
+    }
+    return _instance.apiBaseUrl ?? 'No API URL configured';
+  }
 
-  // static String? get apiBaseUrl => 'https://backend-dt5lrfkkoa-uc.a.run.app/';
-  // // static String? get apiBaseUrl => 'https://camel-lucky-reliably.ngrok-free.app/';
-  // static String? get apiBaseUrl => 'https://mutual-fun-boar.ngrok-free.app/';
+  static String? get apiBaseUrl {
+    if (_customApiBaseUrl != null && _customApiBaseUrl!.isNotEmpty) {
+      return _customApiBaseUrl;
+    }
+    return _instance.apiBaseUrl;
+  }
 
   static String? get growthbookApiKey => _instance.growthbookApiKey;
 
@@ -30,6 +51,24 @@ abstract class Env {
   static String? get intercomAndroidApiKey => _instance.intercomAndroidApiKey;
 
   static String? get posthogApiKey => _instance.posthogApiKey;
+
+  static Future<void> setCustomApiBaseUrl(String url) async {
+    final prefs = await SharedPreferences.getInstance();
+
+    // Ensure URL ends with a slash
+    if (url.isNotEmpty && !url.endsWith('/')) {
+      url = '$url/';
+    }
+
+    // Log server change
+    String oldUrl = _getEffectiveApiBaseUrl();
+    Logger.debug('🔄 Changing API server: $oldUrl -> $url');
+
+    await prefs.setString(customApiBaseUrlKey, url);
+    _customApiBaseUrl = url;
+
+    Logger.debug('✅ API server changed successfully to: $url');
+  }
 }
 
 abstract class EnvFields {