diff --git a/upload/devcraft/src/modules/DleApi/Pages/AccessSyncPage.php b/upload/devcraft/src/modules/DleApi/Pages/AccessSyncPage.php
index f5703c29..6a17213c 100644
--- a/upload/devcraft/src/modules/DleApi/Pages/AccessSyncPage.php
+++ b/upload/devcraft/src/modules/DleApi/Pages/AccessSyncPage.php
@@ -10,6 +10,7 @@
 use DevCraft\Modules\DleApi\Models\ApiAccessLevelGroup;
 use DevCraft\Modules\DleApi\Repositories\ApiAccessLevelGroupRepository;
 use DevCraft\Modules\DleApi\Repositories\ApiAccessLevelRepository;
+use DevCraft\Core\Support\DleDataService;
 
 /**
  * Синхронизация групп DLE ↔ уровни доступа.
@@ -30,7 +31,7 @@ public function handle(): array {
 		}
 
 		$groups = [];
-		foreach(Application::instance()->dleData()->groups() as $id => $name) {
+		foreach(DleDataService::groups() as $id => $name) {
 			$id = (int) $id;
 			if($id < 1) {
 				continue;
diff --git a/upload/devcraft/src/modules/DleApi/Pages/KeyRequestsPage.php b/upload/devcraft/src/modules/DleApi/Pages/KeyRequestsPage.php
index 3f2533ae..ee254056 100644
--- a/upload/devcraft/src/modules/DleApi/Pages/KeyRequestsPage.php
+++ b/upload/devcraft/src/modules/DleApi/Pages/KeyRequestsPage.php
@@ -10,6 +10,7 @@
 use DevCraft\Modules\DleApi\Models\ApiKeyRequest;
 use DevCraft\Modules\DleApi\Repositories\ApiAccessLevelRepository;
 use DevCraft\Modules\DleApi\Repositories\ApiKeyRequestRepository;
+use DevCraft\Core\Support\DleDataService;
 
 /**
  * Заявки пользователей на API-ключ.
@@ -30,7 +31,7 @@ public function handle(): array {
 		}
 
 		$userNames = [];
-		foreach(Application::instance()->dleData()->users() as $row) {
+		foreach(DleDataService::users() as $row) {
 			$id = (int) ($row['user_id'] ?? 0);
 			if($id < 1) {
 				continue;
diff --git a/upload/devcraft/src/modules/DleApi/Pages/KeysPage.php b/upload/devcraft/src/modules/DleApi/Pages/KeysPage.php
index 1e02ec04..14284c28 100644
--- a/upload/devcraft/src/modules/DleApi/Pages/KeysPage.php
+++ b/upload/devcraft/src/modules/DleApi/Pages/KeysPage.php
@@ -11,6 +11,7 @@
 use DevCraft\Modules\DleApi\Repositories\ApiAccessLevelRepository;
 use DevCraft\Modules\DleApi\Repositories\ApiKeyRepository;
 use DevCraft\Modules\DleApi\Services\ScopeTableCatalog;
+use DevCraft\Core\Support\DleDataService;
 
 /**
  * Страница управления API-ключами.
@@ -31,7 +32,7 @@ public function handle(): array {
 		}
 
 		$userNames = [];
-		foreach(Application::instance()->dleData()->users() as $row) {
+		foreach(DleDataService::users() as $row) {
 			$id = (int) ($row['user_id'] ?? 0);
 			if($id < 1) {
 				continue;
@@ -75,7 +76,7 @@ private function userOptions(): array {
 			['id' => 0, 'label' => '0 — ' . __('гость')],
 		];
 
-		foreach(Application::instance()->dleData()->users() as $row) {
+		foreach(DleDataService::users() as $row) {
 			$id = (int) ($row['user_id'] ?? 0);
 
 			if($id < 1) {
diff --git a/upload/devcraft/src/modules/DleApi/Pages/SettingsPage.php b/upload/devcraft/src/modules/DleApi/Pages/SettingsPage.php
index 47aa4506..31b8ded4 100644
--- a/upload/devcraft/src/modules/DleApi/Pages/SettingsPage.php
+++ b/upload/devcraft/src/modules/DleApi/Pages/SettingsPage.php
@@ -4,6 +4,8 @@
 
 namespace DevCraft\Modules\DleApi\Pages;
 
+use DevCraft\Modules\DleApi\DleApiIdentity;
+
 use DLEPlugins;
 use DevCraft\Core\Application;
 use DevCraft\Core\Config\Paths;
@@ -11,6 +13,7 @@
 use DevCraft\Core\Abstracts\AbstractPage;
 use DevCraft\Core\Interfaces\SettingsPageInterface;
 use DevCraft\Modules\DleApi\Services\KeyNotifyDelivery;
+use DevCraft\Core\Support\DleDataService;
 
 /**
  * Настройки DLE API.
@@ -25,7 +28,7 @@ public function handle(): array {
 		$configFile = Paths::config() . '/dleapi.json';
 
 		if(!is_file($configFile)) {
-			DataManager::saveConfig('dleapi', [
+			DataManager::saveConfig(DleApiIdentity::code(), [
 				'algo'      => 'sha256',
 				'secret'    => '',
 				'length'    => 32,
@@ -34,10 +37,10 @@ public function handle(): array {
 			]);
 		}
 
-		$current = DataManager::getConfig('dleapi');
+		$current = DataManager::getConfig(DleApiIdentity::code());
 		$merged  = KeyNotifyDelivery::loadEditorConfig(is_array($current) ? $current : []);
 		if(!is_array($current) || $merged !== $current) {
-			DataManager::saveConfig('dleapi', $merged);
+			DataManager::saveConfig(DleApiIdentity::code(), $merged);
 		}
 
 		$dleHome = rtrim((string) ($config['http_home_url'] ?? '/'), '/') . '/';
@@ -57,11 +60,10 @@ public function handle(): array {
 	}
 
 	public function supplementFormData(): array {
-		$dleData = Application::instance()->dleData();
 		$groups  = [];
 		$users   = [];
 
-		foreach($dleData->groups() as $id => $name) {
+		foreach(DleDataService::groups() as $id => $name) {
 			$id = (int) $id;
 			if($id < 1) {
 				continue;
@@ -69,7 +71,7 @@ public function supplementFormData(): array {
 			$groups[(string) $id] = (string) $name;
 		}
 
-		foreach($dleData->users() as $row) {
+		foreach(DleDataService::users() as $row) {
 			$id    = (string) ((int) ($row['user_id'] ?? 0));
 			$name  = trim((string) ($row['name'] ?? ''));
 			$email = trim((string) ($row['email'] ?? ''));
diff --git a/upload/devcraft/src/modules/DleApi/Services/AccessLevelResolver.php b/upload/devcraft/src/modules/DleApi/Services/AccessLevelResolver.php
index 9a239f40..ef6c45fc 100644
--- a/upload/devcraft/src/modules/DleApi/Services/AccessLevelResolver.php
+++ b/upload/devcraft/src/modules/DleApi/Services/AccessLevelResolver.php
@@ -9,6 +9,7 @@
 use DevCraft\Modules\DleApi\Models\ApiAccessLevelGroup;
 use DevCraft\Modules\DleApi\Repositories\ApiAccessLevelGroupRepository;
 use DevCraft\Modules\DleApi\Repositories\ApiAccessLevelRepository;
+use DevCraft\Core\Support\DleDataService;
 
 /**
  * Резолв уровня доступа: группа DLE → map → default из настроек.
@@ -30,8 +31,8 @@ public function forUserId(int $userId): ?ApiAccessLevel {
 		if($userId < 1) {
 			return $this->defaultLevel();
 		}
-		global $db;
-		$row = $db->super_query('SELECT user_group FROM ' . USERPREFIX . '_users WHERE user_id=' . (int) $userId);
+
+		$row = DleDataService::user(id: $userId);
 
 		return $this->forUserGroup((int) ($row['user_group'] ?? 0));
 	}
diff --git a/upload/devcraft/src/modules/DleApi/Services/ApiKeyService.php b/upload/devcraft/src/modules/DleApi/Services/ApiKeyService.php
index 64ca0ba4..f651689c 100644
--- a/upload/devcraft/src/modules/DleApi/Services/ApiKeyService.php
+++ b/upload/devcraft/src/modules/DleApi/Services/ApiKeyService.php
@@ -12,6 +12,7 @@
 use DevCraft\Modules\DleApi\Repositories\ApiKeyRepository;
 use DevCraft\Modules\DleApi\Repositories\ApiScopeRepository;
 use RuntimeException;
+use DevCraft\Core\Support\DleDataService;
 
 /**
  * Создание и обновление API-ключей вместе с матрицей scope.
@@ -152,7 +153,7 @@ private function userLabel(int $userId): string {
 		if($userId < 1) {
 			return __('гость');
 		}
-		foreach(Application::instance()->dleData()->users() as $row) {
+		foreach(DleDataService::users() as $row) {
 			if((int) ($row['user_id'] ?? 0) !== $userId) {
 				continue;
 			}
diff --git a/upload/devcraft/src/modules/DleApi/Services/KeyNotifyDelivery.php b/upload/devcraft/src/modules/DleApi/Services/KeyNotifyDelivery.php
index a80d31e1..45d533c9 100644
--- a/upload/devcraft/src/modules/DleApi/Services/KeyNotifyDelivery.php
+++ b/upload/devcraft/src/modules/DleApi/Services/KeyNotifyDelivery.php
@@ -5,6 +5,8 @@
 namespace DevCraft\Modules\DleApi\Services;
 
 use DevCraft\Core\Application;
+use DevCraft\Builders\QueryBuilder;
+use DevCraft\Core\Support\DleDataService;
 use DLEPlugins;
 use Throwable;
 
@@ -79,12 +81,16 @@ public static function loadEditorConfig(array $cfg): array {
 			return $cfg;
 		}
 
-		$request = $db->super_query(
-			"SELECT template FROM " . PREFIX . "_email WHERE name='" . $db->safesql(self::REQUEST_TEMPLATE_NAME) . "' LIMIT 1"
-		);
-		$decision = $db->super_query(
-			"SELECT template FROM " . PREFIX . "_email WHERE name='" . $db->safesql(self::DECISION_TEMPLATE_NAME) . "' LIMIT 1"
-		);
+		$request = QueryBuilder::create('email')
+			->withColumns(['template'])
+			->withConditionsItem('name', self::REQUEST_TEMPLATE_NAME)
+			->withLimit(1)
+			->first();
+		$decision = QueryBuilder::create('email')
+			->withColumns(['template'])
+			->withConditionsItem('name', self::DECISION_TEMPLATE_NAME)
+			->withLimit(1)
+			->first();
 
 		if(isset($request['template']) && $request['template'] !== '') {
 			$cfg['email_request_body'] = self::decodeHtmlBody((string) $request['template']);
@@ -185,7 +191,10 @@ private function sendEmailTemplate(string $name, array $userIds, array $vars): v
 			return;
 		}
 
-		$row = $db->super_query("SELECT * FROM " . PREFIX . "_email WHERE name='" . $db->safesql($name) . "' LIMIT 1");
+		$row = QueryBuilder::create('email')
+			->withConditionsItem('name', $name)
+			->withLimit(1)
+			->first();
 		if(empty($row['template'])) {
 			return;
 		}
@@ -194,21 +203,21 @@ private function sendEmailTemplate(string $name, array $userIds, array $vars): v
 		}
 		$site = rtrim((string) ($config['http_home_url'] ?? '/'), '/');
 		$vars = [
-			        '{%site_url%}' => $site,
-			        '{%api_key%}'  => (string) ($vars['{%api_key%}'] ?? ''),
-		        ] + $vars;
+			'{%site_url%}' => $site,
+			'{%api_key%}'  => (string) ($vars['{%api_key%}'] ?? ''),
+		] + $vars;
 
 		$mail = new \dle_mail($config, !empty($row['use_html']));
 		$body = $this->apply($row['template'], $vars);
 		$subj = $this->apply((string) ($vars['{%subject%}'] ?? __('DLE API')), $vars);
 		foreach($userIds as $uid) {
-			$u = $db->super_query('SELECT email, name FROM ' . USERPREFIX . '_users WHERE user_id=' . (int) $uid);
+			$u = DleDataService::user(id: (int) $uid);
 			if(empty($u['email'])) {
 				continue;
 			}
 			$mail->send((string) $u['email'], $subj, $this->apply($body, [
-				                                                             '{%username%}' => (string) ($u['name'] ?? ''),
-			                                                             ] + $vars));
+				'{%username%}' => (string) ($u['name'] ?? ''),
+			] + $vars));
 		}
 	}
 
@@ -330,7 +339,11 @@ private static function upsertEmailTemplate(string $name, string $template, bool
 
 		$nameSql     = $db->safesql($name);
 		$templateSql = $db->safesql($template);
-		$exists      = $db->super_query("SELECT id FROM " . PREFIX . "_email WHERE name='{$nameSql}' LIMIT 1");
+		$exists      = QueryBuilder::create('email')
+			->withColumns(['id'])
+			->withConditionsItem('name', $name)
+			->withLimit(1)
+			->first();
 		$useHtmlSql  = $useHtml ? '1' : '0';
 
 		if(!empty($exists['id'])) {