chore: Мелкие правки

src/Controller/Component.php

@@ -206,8 +206,10 @@ class Component
 
     /**
      * Создает модель
-     * @param class-string $modelName
+     *
-     * @return mixed
+     * @template T
+     * @param class-string<T> $modelName
+     * @return T
      */
     public function getModel($modelName)
     {

src/Database/IdGenerator.php

@@ -35,6 +35,9 @@ class IdGenerator {
         } else {
             $result = $this->db->fetchOneArray("SELECT last_insert_rowid() AS nextval");
         }
+        if (!$result) {
+            throw new \Exception("nextval failed");
+        }
         return (int)$result['nextval'];
     }
 }