fix(database): update remote config JSON key and improve related code

- Change JSON key from 'user_preference_limits' to 'user_preference_config'
- Update 'user_preference_limits' references to 'user_preference_config' in SQL queries
- Replace 'remoteConfig' variable with 'remoteConfigFixtureData' constant
- Update 'limits' retrieval from 'userPreferenceLimits' to 'userPreferenceConfig'
- Change 'headlineDensity' from 'normal' to 'standard' in auth service

These changes improve consistency and accuracy in database schema and code references.

Author: fulleni

lib/src/services/auth_service.dart

@@ -204,7 +204,7 @@ class AuthService {
           ),
           language: 'en',
           feedPreferences: const FeedDisplayPreferences(
-            headlineDensity: HeadlineDensity.normal,
+            headlineDensity: HeadlineDensity.standard,
             headlineImageStyle: HeadlineImageStyle.largeThumbnail,
             showSourceInHeadlineFeed: true,
             showPublishDateInHeadlineFeed: true,
@@ -303,7 +303,7 @@ class AuthService {
       ),
       language: 'en',
       feedPreferences: const FeedDisplayPreferences(
-        headlineDensity: HeadlineDensity.normal,
+        headlineDensity: HeadlineDensity.standard,
         headlineImageStyle: HeadlineImageStyle.largeThumbnail,
         showSourceInHeadlineFeed: true,
         showPublishDateInHeadlineFeed: true,

lib/src/services/database_seeding_service.dart

@@ -51,7 +51,7 @@ class DatabaseSeedingService {
         await _connection.execute('''
           CREATE TABLE IF NOT EXISTS remote_config (
             id TEXT PRIMARY KEY,
-            user_preference_limits JSONB NOT NULL,
+            user_preference_config JSONB NOT NULL,
             ad_config JSONB NOT NULL,
             account_action_config JSONB NOT NULL,
             app_status JSONB NOT NULL,
@@ -291,22 +291,22 @@ class DatabaseSeedingService {
       try {
         // Seed RemoteConfig
         _log.fine('Seeding RemoteConfig...');
-        final remoteConfig = remoteConfigFixture;
+        const remoteConfig = remoteConfigFixtureData;
         // The `remote_config` table has multiple JSONB columns. We must
         // provide an explicit map with JSON-encoded values to avoid a
         // "superfluous variables" error from the postgres driver.
         await _connection.execute(
           Sql.named(
-            'INSERT INTO remote_config (id, user_preference_limits, ad_config, '
+            'INSERT INTO remote_config (id, user_preference_config, ad_config, '
             'account_action_config, app_status) VALUES (@id, '
-            '@user_preference_limits, @ad_config, @account_action_config, '
+            '@user_preference_config, @ad_config, @account_action_config, '
             '@app_status) '
             'ON CONFLICT (id) DO NOTHING',
           ),
           parameters: {
             'id': remoteConfig.id,
-            'user_preference_limits':
-                jsonEncode(remoteConfig.userPreferenceLimits.toJson()),
+            'user_preference_config':
+                jsonEncode(remoteConfig.userPreferenceConfig.toJson()),
             'ad_config': jsonEncode(remoteConfig.adConfig.toJson()),
             'account_action_config':
                 jsonEncode(remoteConfig.accountActionConfig.toJson()),

lib/src/services/default_user_preference_limit_service.dart

@@ -30,7 +30,7 @@ class DefaultUserPreferenceLimitService implements UserPreferenceLimitService {
     try {
       // 1. Fetch the remote configuration to get limits
       final remoteConfig = await _remoteConfigRepository.read(id: _remoteConfigId);
-      final limits = remoteConfig.userPreferenceLimits;
+      final limits = remoteConfig.userPreferenceConfig;
 
       // Admins have no limits.
       if (user.dashboardRole == DashboardUserRole.admin) {
@@ -88,7 +88,7 @@ class DefaultUserPreferenceLimitService implements UserPreferenceLimitService {
     try {
       // 1. Fetch the remote configuration to get limits
       final remoteConfig = await _remoteConfigRepository.read(id: _remoteConfigId);
-      final limits = remoteConfig.userPreferenceLimits;
+      final limits = remoteConfig.userPreferenceConfig;
 
       // Admins have no limits.
       if (user.dashboardRole == DashboardUserRole.admin) {