fix: ensure EnsembleConfigService is initialized before accessing config

Author: sharjeelyunus

modules/ensemble/lib/ensemble.dart

@@ -106,6 +106,7 @@ class Ensemble extends WithEnsemble with EnsembleRouteObserver {
     try {
       // this code block is guaranteed to run at most once
       await StorageManager().init();
+      await SecretsStore().initialize();
       Device().initDeviceInfo();
       AppInfo().initPackageInfo(_config);
       _completer!.complete();
@@ -139,9 +140,10 @@ class Ensemble extends WithEnsemble with EnsembleRouteObserver {
     if (_config != null) {
       return Future<EnsembleConfig>.value(_config);
     }
-    // Intialize the config service to get `ensemble-config.yaml` file to access the configuration using static property as `EnsembleConfigService.config`
-    await EnsembleConfigService.initialize();
-    await SecretsStore().initialize();
+    // Initialize the config service to get `ensemble-config.yaml` file to access the configuration using static property as `EnsembleConfigService.config`
+    if (!EnsembleConfigService.isInitialized) {
+      await EnsembleConfigService.initialize();
+    }
 
     // get the config YAML
     final YamlMap yamlMap = EnsembleConfigService.config;

modules/ensemble/lib/framework/ensemble_config_service.dart

@@ -4,16 +4,26 @@ import 'package:yaml/yaml.dart';
 // EnsembleConfigService is a service that provides access to the ensemble-config.yaml file through static property once initialized
 class EnsembleConfigService {
   static YamlMap? _config;
+  static bool _isInitialized = false;
 
   static Future<void> initialize() async {
     final yamlString = await rootBundle.loadString('ensemble/ensemble-config.yaml');
     _config = loadYaml(yamlString);
+    _isInitialized = true;
   }
 
   static YamlMap get config {
     if (_config == null) {
-      throw StateError('EnsembleConfig not initialized');
+      // if config is not available, load the default config
+      _config = loadYaml('''
+definitions:
+  from: 'ensemble'
+      ''');
+      _isInitialized =
+          true;
     }
     return _config!;
   }
+
+  static bool get isInitialized => _isInitialized;
 }

modules/ensemble/lib/framework/secrets.dart

@@ -28,6 +28,9 @@ class SecretsStore with Invokable {
 
       // add local overrides
       try {
+        if (!EnsembleConfigService.isInitialized) {
+          await EnsembleConfigService.initialize();
+        }
         String provider = EnsembleConfigService.config["definitions"]?['from'];
         if (provider == 'local') {
           String path =