Added hasContext to StateEntity.

src/Libs/Entity/StateEntity.php

@@ -646,6 +646,14 @@ final class StateEntity implements iState
         return ag($this->context, $key, $default);
     }
 
+    /**
+     * @inheritdoc
+     */
+    public function hasContext(string $key): bool
+    {
+        return ag_exists($this->context, $key);
+    }
+
     /**
      * Checks if the value of a given key in the entity object is equal to the corresponding value in the current object.
      * Some keys are special and require special logic to compare. For example, the updated and watched keys are special

src/Libs/Entity/StateInterface.php

@@ -401,4 +401,13 @@ interface StateInterface extends LoggerAwareInterface
      * @return mixed
      */
     public function getContext(string|null $key = null, mixed $default = null): mixed;
+
+    /**
+     * Check if entity has contextual data.
+     *
+     * @param string $key key
+     *
+     * @return bool Return true if the entity has contextual data related to the key.
+     */
+    public function hasContext(string $key): bool;
 }

tests/Libs/StateEntityTest.php

@@ -884,5 +884,13 @@ class StateEntityTest extends TestCase
             $entity->getContext(),
             'When getContext() is called with no parameters, all context data is returned'
         );
+        $this->assertTrue(
+            $entity->hasContext('test'),
+            'When hasContext() is called with existing key, it returns true'
+        );
+        $this->assertFalse(
+            $entity->hasContext('not_set'),
+            'When hasContext() is called with non-existing key, it returns false'
+        );
     }
 }